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Yukon Geological Survey

Occurrence Details


Occurrence Number
115J 028
Occurrence Name
Casino
Occurrence Type
Hard-rock
Status
Deposit


General Information

Primary Commodities: Copper, Gold, Molybdenum, Silver
Deposit Type(s): Porphyry Cu-Mo-Au
Location(s): 62°44'16" N - -138°49'41" W
NTS Mapsheet(s): 115J10
Location Comments: .5 Kilometres
Hand Samples Available at YGS: Yes

Capsule

Work History

The earliest exploration activity in the area was placer mining on Canadian Creek in 1911. The first lode claims, Tungsten and Nick cl (12624) were staked in 1917 by N. Hansen following identifications of huebnerite in the placer concentrates by the Geological Survey of Canada in 1916. Claims partially covering the porphyry were staked on numerous occasions for either tungsten or gold, including the BRC cl (57619) in July 1949 by H. Colley.

Restaked as Cat cl 1-23 (92201) in July 1965 by Casino Silver Mines Ltd. The company added Cat cl 24-42 (92764) in Sep/1965 and Cat cl 47-70 (95724) in Dec/1965. The claims were staked in conjunction with work on the nearby Bomber occurrence (Minfile Occurrence #115J 027). Casino performed soil sampling, mag and EM surveys in 1966 and 1967 for silver-lead veins but the focus quickly shifted to the bulk tonnage, open pit potential after soil geochemical surveys returned widespread anomalous copper and molybdenum values over an intensely altered and deeply weathered intrusive complex.

In late 1967, the Brynelson Group acquired control of Casino and performed grid soil sampling and mapping. The property was optioned to Brameda Resources Ltd in May/1969, and in the period to Aug/1970, the porphyry deposit was explored by detailed mapping, IP surveys and 11 275.2 m of BQ diamond drilling and 5 328.8 m of rotary drilling (84 holes total), largely financed by Quintana Minerals Corporation. Preliminary metallurgical studies were also completed. Although results were encouraging and a 45 tonne/day test mill was enroute to the property, all work terminated abruptly in Aug/1970 when Quintana withdrew financial support.

In 1973, Brameda exchanged its option for a 38.4% equity in Casino Silver Mines Ltd, after which Brameda merged with Teck Corporation Ltd. Later that year, Casino with financing from Teck, conducted gold geochemical and EM surveys, drilled 7 holes (1421.0 m) and added Rat, cl 1-44 (Y75586).

Although recognized as a major resource, the Casino property was inactive throughout most of the 1970's and early 1980's due to low copper prices. In 1985, the leached cap portion of the property was optioned to Archer, Cathro & Associates (1981) Ltd and explored by Permian Resources Ltd & Nordac Mining Corp, which conducted geochemical surveys, metallurgical testing and 6 018 m of bulldozer trenching directed toward heap leach gold potential.

Archer, Cathro optioned the entire property in Nov/1991 and transferred its interest to Big Creek Resources Ltd which added Cas cl 1-42 (YB36552) to the north and east; Dip 1-81 cl (YB36588) to the east and south; Cat cl 28, 30,32 and 34 (YB36999) to the northwest and F cl 1-49 (YB37252), G cl 1-32 (YB37300) and I cl 1-38 (YB37640) to the southwest between Dec/1991 and Sep/1992.

Big Creek Resources evaluated the gold potential of the deposit with 21 large diameter diamond drill holes (4 724.4 m) in 1992, before amalgamating with Pacific Sentinel Gold Corporation effective 1 Dec/92. At the same time, Pacific Sentinel acquired Casino Silver Mines Ltd as a wholly owned subsidiary, thus obtaining a 100% interest in the property subject only to a 5% net profits interest to Archer Cathro.

In Mar/1993, Pacific Sentinel commenced a $7.2 million diamond drilling program with the aim of fully delineating the deposit. In Aug/1993, an environmental baseline survey was completed on the A,B,C,D,E,F,G,H,I and Dip claims, and between March and November, 127 holes were drilled totaling 5 0 316 m.

In 1994, Pacific Sentinel completed an infill, delineation and geotechnical drilling program comprising 16 800 m of large diameter diamond drilling in 83 holes. In addition 34 geotechnical holes, totaling 2 896 m were completed for mine engineering design purposes. Following completion of the drilling program the company embarked on extensive metallurgical testing of several possible process options for the mineral zones. At the end of 1994, the company began pre-feasibility studies.

In Nov/1997 Pacific Sentinel merged with Consolidated North Coast Industries Ltd to form Great Basin Gold Ltd. In May/2000 Great Basin Gold optioned 55 claims (Casino "B" claims) located to the west which adjoin the neighbouring Ana claims to Wildrose Resources Ltd. Wildrose also undertook responsibility to file assessment work on the remaining claims which cover the actual Casino deposit. In 2000 Wildrose Resources drilled 4 diamond drill holes (531.57 m) on the optioned claims. The company followed up with prospecting and rock sampling in 2001.

In July 2002 Great Basin optioned the Casino deposit to CRS Copper Resources Corporation, a private British Columbia company focused on the acquisition, exploration and development of advanced stage copper properties. First Trimark Ventures Inc subsequently acquired CRS in May/2003 before changing its name to Lumina Copper Corporation. A plan of arrangement to restructure Lumina Copper Corporation into four separate companies was completed and announced in May/2005. Lumina Resources Corporation, which began trading on the Toronto Stock Exchange in May 2005, assumed operational control of the Casino Project.

In Sep/2006 Western Copper Corporation acquired Lumina Resources Corp and its option agreement covering the Casino property. In Jun/2007 Western Copper staked Vik cl 1 -188 (YC64893) to the south and east. In Jul/2007 the company initiated a pre-feasibility study of the property. In Aug/2007 Western Copper purchased Great Basin Gold's interests in the Casino property for $1 000 000.00 cash thus consolidating 100% control of the property with Western Copper. This agreement did not cover the Casino "B" claims which remained part of the adjoining Canadian Creek property (Minfile Occurrences #115J 101, 036 & 035).

Western Copper announced the results of positive pre-feasibility in Jun/2008. The study which included resource and reserve calculations, estimated an initial capital cost of $2.1 billion with production of 3.6 billion pounds copper, 320 million pounds molybdenum and 5.1 million ounces of gold over a 30 year mine life. An average mill throughput of 90,000 tonnes per day of sulphide ore was used in the calculation. During 2008 the company refurbished the camp facilities, drilled 3 diamond drill holes (1 163 m) and continued collecting baseline environmental studies.

In 2009, Western Copper completed a Quantec Titan 24 deep-penetration geophysical survey over the Casino deposit in order to identify zones of potential mineralization outside the area of currently defined mineralization. The geophysics program was followed-up with 37 diamond drill holes (10 850 m). Twenty-seven holes (6 616 m) were infill holes drilled to upgrade inferred and undefined material to measured and indicated classes.  The remaining 10 holes (4 327 m) targeted geophysical targets identified by the Quantec Titan geophysical survey.  
 
In 2010 Western Copper continued infill and delineation drilling. Forty-six exploration drill holes (12 046.2 m) were completed. An additional 16 drill holes (2 084.79 m) were collared for geotechnical and hydrogeological studies and one hole (153.92 m) was drilled for a water well. Between April and Jun/2010 Western Copper relogged all Pacific Sentinel core stored on the property in order to provide data for new lithology and alteration models and to group the geological units into four generalized rock groups.
 
On November 1, 2010 Western Copper released an updated NI 43-101 compliant resource estimate for the Casino Gold-Copper-Molybdenum project. The new estimate incorporated 26 000 m of new drilling performed by Western Copper since the resource estimate released as part of the Jun/2008 pre-feasibility study.
 
In Apr/2011 Western Copper released an updated pre-feasibility study for the Casino project. The study recommends that the Casino project be built as an open pit mine and a mill processing 120 000 tonnes per day of ore, resulting in the production of 14 913 975 grams (435 000 ounces) of gold, 106.2 million kilograms (234 million pounds) copper 5.9 million kilograms, (13 million pounds) of molybdenum and 54 856 000 grams (1.6 million ounces) of silver per year. The study estimated an initial capital cost of 2.13 billion and a mine production schedule of three years of preproduction followed by 20 years of commercial pit operations. The processing of low grade ores would extend commercial production an additional 3 years. The gold-rich leached cap would be mined separately using conventional heap leach technology that would begin in the first year of preproduction and continue until year 4 of commercial production.
 
 As part of the per-feasibility study consultants recommended building a new airstrip to service the Casino project.  In order to achieve this goal Western Copper staked Fly cl 1-12 (YD04375) approximately 14 km to the southwest along the southern branch of Dip Creek.
 
On June 23, 2011 Western Copper announced its intention to spin out various assets to two new subsidiaries. The result of this plan would result in the Casino project become the company’s main asset. On October 3, 2011 shareholders approved the asset spin out and a change in the company’s name to Western Copper and Gold Corporation. On October 5, 2011 the Supreme Court of British Columbia granted the final order approving the previously announced plan of arrangement.
 
In the fall of 2011 Western Copper and Gold began initial engineering studies required before initiating a feasibility study. In Jan/2012 the company began working on a feasibility study to bring the Casino project to production. The company continued working on the feasibility study through 2012.

In January 2013, Western Copper and Gold released a 43-101 compliant feasibility study.  See Capsule Geology for this resource estimate.



Capsule Geology

The Casino deposit is one of the largest, highest grade porphyry deposits in Canada. It is located within the Dawson Range, a west-central portion of the Yukon-Tanana terrane. The Yukon-Tanana terrane is composed dominantly of metamorphic rocks inferred to be Devonian to Mississippian in age that has been intruded by numerous Mesozoic granitic bodies and plutons hosting copper, molybdenum and gold mineralization.

In the deposit area, Yukon-Tanana terrane rocks are intruded by the mid-Cretaceous Dawson Range batholith, and subsequent Casino Intrusions. The Dawson batholith measures an approximately 300 km long by 60 km wide and extends northwest of Carmacks to the Alaskan border and dominates the geology of the Dawson Range. At the Casino deposit, the batholith consists of undeformed granodiorite.
 
The Dawson Range batholith is in turn intruded by the Casino Plutonic Suite which is represented by fine- to medium-grained leucocratic granite, quartz monzonite and alaskite with associated aplite phases. The Casino Plutonic Suite is composed of stocks up to 18 km in diameter and is only exposed in the Colorado Creek (NTS 115 J/9) and Selwyn River (NTS 115 J/10) map areas. The Casino Plutonic Suite was originally thought to be Late Cretaceous (70 Ma) but work by Selby et al., (1999) indicates that although the Casino Plutonic Suite intrudes the Dawson Range Batholith, its age is indistinguishable (104.2 +/- 0.5 Ma, U-Pb zircon). Late Cretaceous igneous activity produced a northwest-trending belt of small stocks, one of which, the Patton porphyry intrudes the Casino Plutonic Suite rocks, producing the copper-gold-molybdenum mineralization present at the Casino deposit.

The Patton porphyry (72-74 Ma) represents two or more episodes of high-level intrusion of porphyritic hypabyssal dacite to rhyodacite. The main body of Patten porphyry, a few hundred metres across, occurs northwest of Patton Hill. Abundant Patton porphyry fragments occur in the adjacent microbreccia. The contacts between the Patton porphyry and the microbreccia are variable and range from sharply intrusive to gradational. Elsewhere, Patton porphyry forms many discontinuous dikes ranging from a few cm to 20 m wide; these cut Casino quartz monzonite and less commonly rocks of the Dawson Range batholith.
 
The Casino deposit is centred on an Upper Cretaceous-age, east-west elongated porphyry stock (Patton porphyry) that intrudes the Dawson Range Batholith and Yukon Tanana terrane country rocks. Intrusion of the stock into the older rocks caused brecciation of both the intrusive and surrounding country rocks along the northern, southern and eastern contact of the stock. Brecciation is best developed in the eastern end of the stock where breccia can be up to 400 m wide in plan view. To the west, and along the north and south contact, the breccia narrows gradually to less than 100 m. Only minor amounts of drilling have been completed at the western end of the stock and it is not known if breccia is present along this contact. Intruded into the stock and surrounding granitoids and metamorphic rocks are younger, non-mineralized dykes of similar composition to the older stock and a late diatreme  (or explosive breccia) which forms both a pipe-like body in the west and dyke-like body in the east.
 
Hypogene (or primary) mineralization occurs throughout the various alteration zones of the Casino deposit. It occurs mainly in the steeply plunging, in-situ contact breccia surrounding the Patton Porphyry intrusive plug and consists of recrystallization and exsolution of hydrothermal fluids from late Cretaceous magmas of the Prospector Plutonic Suite. Hydrothermal alteration consists of a potassic alteration zone about 450 m in diameter and a surrounding phyllic zone that extends 300 m into the Dawson Range Batholith. This alteration and the copper-molybdenum-gold mineralization are centered on the breccia. The breccia forms an ovoid band around the main porphyry body with dimensions up to 250 m. Based on diamond drilling completed to the end of 2011 the Casino deposit measures approximately 1.8 by 1.0 kilometres.

Primary mineralization consists of pyrite, chalcopyrite, molybdenite and minor huebnerite, and is concentrated in the phyllic zone along the inner side of a pyrite halo and is surrounded by weakly developed argillic and propylitic alteration. The deposit has not been glaciated and the high permeability associated with the brecciated and strongly altered mineralization has resulted in very deep weathering (up to 300 m) and the development of a classic stratified porphyry deposit consisting of: 1) a leached cap, followed by; 2) a narrow supergene oxide zone; and 3) a supergene sulphide zone lying above the main hypogene mineralization.
 
The leached cap (oxide gold zone) is gold-enriched and copper depleted due to supergene alteration processes as well as the lower specific of this zone relative to the other zones. It averages 70 m thick and is characterized by boxwork textures partly filled by jarosite, limonite, goethite and hematite. This weathering has completely destroyed rock textures and replaces most minerals with clay that is friable to the touch and often stained yellow, orange and/or brown by iron oxides.
 
The supergene oxide zone is poorly understood and exists as a few perched bodies within the leached cap. It is copper-rich and contains trace molybdenite and likely formed due to more recent fluctuations in the water table.  Where present the zone averages 10 m thick and can contain chalcanthite, malachite, brocanthite, with minor azurite, tenorite, cuprite and neotocite. The zone is thought is thought to be related to present day topography and is best developed where oxidation of early secondary copper sulphides occur above the water table, on well drained slopes.

The supergene sulphide (copper) zone occurs in an up to 200 m-deep weathered zone below the leached cap and above the hypogene mineralization. It has an average thickness of 60 m and is in part controlled by the distribution of pyrite, fracture density and by the erosion surface at the time of leaching. The high pyrite content of the phyllic zone promotes leaching; thus, secondary enrichment zones are thicker near the contact of the potassic and phyllic alteration zones. Copper grades in the supergene sulphide zone are almost double the copper grades in the Hypogene (0.43% copper versus 0.23% copper).Grain borders and fractures in chalcopyrite, bornite and tetrahedrite may be altered to chalcocite, diginite and/or covellite. Chalcocite also locally coats pyrite grains and clusters, and may extend along fractures deep into the hypogene zone. Molybdenite is largely unaffected by supergene processes, other than local alteration to ferrimolybdite. In drill core the supergene sulphide zone is generally broken with decreasing clay alteration and weathering is “stained” dark blue to gray.
 
The hypogene zone lies under the supergene sulphide zone. Its exact thickness is not yet known as mineralization was present at the bottom of the deepest drilled hole; over 600 m from surface. Hypogene mineralization (or primary) consists of pyrite, chalcopyrite and lesser molybdenite.
 
Early exploration in the area was centred on the silver-lead vein discovered at the Bomber occurrence (Minfile occurrence # 115J 027) located approximately 2 km to the south. Soil sampling, geological mapping, trenching and various geophysical surveys during the mid-1960’s led to a large diamond/rotary drilling program in 1969-70. In Dec/69 Casino Silver Mines announced the discovery of a potential billion plus tonne low-grade, copper-molybdenum deposit. Although the project has lain dormant at times all exploration work since 1969 has been aimed at bringing the deposit into production.  
 
A major breakthrough in the projects history occurred in 1991 when Archer, Cathro and Associates (1981) Ltd re-assayed Casino core for its gold content. The realization that the deposit might hold economic amounts of gold led Archer, Cathro to option the property in Nov/91. The company immediately optioned the property to Big Creek Resources which carried out a large diamond drill program in 1992. In Dec/92 Big Creek Gold amalgamated with Pacific Sentinel Gold to try and bring the deposit into production.
 
In the spring of 1994 Pacific Sentinel released a historic resource estimate (i.e. not NI-43-101 compliant) of 558 million tonnes containing 1.43 billion kilograms of copper, 184.79 million grams of gold and 140 million kilograms of molybdenum  from the leached cap, supergene (oxide and sulphide) and hypogene zones. Included in this calculation is an expanded high grade open pit mineable core of 90 million tonnes grading 0.4% copper, 0.05% molybdenum and 0.48 g/t gold. (Yukon Exploration and Geology 1993, p. 4 and Pacific Sentinel Gold Corp. 1993 Annual Report p. 4).
 
The property saw intermittent work through the 1990’s and early 2000’s. In Jan/2003 CRS Copper Resources Corp and First Trimark Ventures Inc released a National Instrument 43-101 compliant technical report (under the name Lumina Copper Corp) which contained individual resource estimates for the leach cap, supergene oxide, supergene sulphide and hypogene zones (see Reserves section for details). In Feb/2004 Lumina Copper Corp released updated resource figures for the four zones employing copper equivalent (Cu EQ) grades.
 
Following Western Copper Corp’s purchase of the property in Sep/1996 the company set about consolidating the property under one owner. In Aug/2007 Western Copper initiated a pre-feasibility study of the Casino property which was released in Jun/2008 (see Reserves section). This study updated the resource figures for the four zones and introduced further refinements to the statistical analysis used to estimate grade and tonnage. This led to an overall decrease in the tonnage reported for the measured and inferred classes when compared to values reported in the 2004 resource estimate.
 
The 2008 pre-feasibility study also included the first NI 43-101 mineral reserve estimate for the Casino project. The reserve estimate is based on pit design and the mine production schedule developed in the pre-feasibility study and is reported as a mill ore reserve and heap leach reserve. The heap leach reserve tonnage figure is higher and the gold grade is lower than that reported in the resource estimate. This difference attributed to the lower recoveries and higher tonnages required to mine the heap leach cap. The mill ore reserve tonnage figure and the overall gold and copper grades are lower that the resource estimates. This difference is attributed to the actual mining plan as some ore reported in the resource calculation will not actually be mined.
 
The 2008, 2009 and 2010 diamond drilling programs were designed to increase the property’s resources/reserves. On November 1, 2010 Western Copper announced an updated resource estimate for the Casino project. The estimate employed the results of 26 000 m of core drilled in 2008, 2009 and 2010 and reinterpretation of the geology which included the re-logging of 90 000 m of core originally drilled by Pacific Sentinel Gold Corp. The immediate goal of increasing the near-surface supergene sulphide zone was achieved with the size of this zone increasing from 133 million tonnes to 252 million tonnes at the measured and indicated level. Other noteworthy increases were obtained in the inferred resource of the supergene oxide, supergene sulphide and hypogene zones which increased from 232 million tonnes to 1 696 million tonnes. Current resources at the Casino project employing a 0.25% copper equivalent (Cu EQ) cutoff, total 1.06 billion tonnes of combined supergene oxide, supergene sulphide and hypogene mineralization at the measured and indicated level.  The leached cap/oxide gold zone (employing a 0.40 g/t gold cutoff) currently hosts an additional 32 million tonnes of combined measured and indicated resources.
 
The 2011 pre-feasibility study updated and revised the various parameters used in the earlier 2008 pre-feasibility study. As part of the study an updated mineral reserve was calculated for the Casino project. The reserve estimates differ from the resource estimates because reserves are based on the mine and plant production schedule. 
 
As of May/2011 the Casino project hosts a mill ore reserve of 975.8 million tonnes grading 0.202% copper, 0.238 g/t gold, 0.0229% molybdenum and 1.73 g/t silver. The heap leach reserve is an additional 81.6 million tonnes at 0.37 g/t gold, 2.55 g/t silver and 0.041% copper.  The mill ore reserve increased approximately 7% over the 2008 reserve figure, however this figure does not take into account the approximately 600 percent increase in inferred resources. The heap leach reserve has increased approximately 4.7 % over the 2008 reserve figure.

In January 2013, Western Copper and Gold released a 43-101 compliant feasibility study. The deposit hosts a total of 965 million tonnes of proven and probable mill ore reserves and 157 million tonnes of proven and probable heap leach reserves. Based on the economic analysis, the Property will produce the following over the life of the mine from heap leach and flotation:  Gold: 178 tonnes (5.72 million ounces), silver: 941.2 tonnes (30.26 million ounces), copper: 1.6 million tonnes (3.58 billion pounds) and molybdenum: 147,000 tonnes (325 million pounds).

The mineral resource was divided into two zones: the Supergene and Hypogene Zone (or Mill Resource) and the Leached Cap/ Oxide Gold Zone (Heap Leach Resource).

RESOURCE: The Supergene and Hyphogene Zone is tabulated at a 0.25% copper-equivalent cutoff grade. Measured and indicated supergene (oxide and sulphide) and hypogene resource are listed as 1.057 billion tonnes at 0.2% copper, 0.23 g/t gold, 0.022% molybdenum, and 1.71 g/t silver. The Inferred resource is an additional 1.7 billion tonnes at 0.14% copper, 0.16 g/t gold, 0.019% molybdenum, and 1.37 g/t silver.

The Leach Cap/ Oxide Gold zone contains potential heap leach ore and is tabulated at a 0.25 g/t gold cutoff grade. Measured and indicated heap leach ore amounts to 84 million tonnes at 0.04% copper, 0.4 g/t gold, and 2.57 g/t silver. Inferred resource is an additional 17 million tonnes at 0.01% copper, 0.31 g/t gold, and 1.93 g/t silver.

RESERVES: Based on the mine plan and production schedule, the Mill Ore Reserve (proven and probable) is calculated as 965.2 million tonnes at 0.20% copper, 0.24 g/t gold, 0.023% molybdenum, and 1.74 g/t silver. The Heap Leach Reserve (proven and probable) adds up to an additional  157.5 million tonnes at 0.29 g/t gold, 0.036% copper and 2.21g/t Ag.

 




 

Location Map

Last Updated: Aug 2, 2018

Work History

Year Work Type Comment
2013 Studies: Feasibility
2012 Studies: Feasibility Company initiated feasibility study.
2012 Drilling: Diamond 6 holes (228.07 m) for geotechnical purposes and 5 holes (1,507.63 m) for metallurgical sampling.
2011 Studies: Pre-feasibility Released updated Pre-feassibility study for Casino Project.
2011 Drilling: Diamond 41 drill holes totalling 3,163.26 m, geotechnical and exploration.
2010 Drilling: Diamond Infill and delineation drilling. 46 drill holes (12 046.2 m) were for exploration, 16 drill holes (2 084.79 m) were geotechnical/hydogeological studies, 1 drill hole (153.92 m) was water well.
2010 Geochemistry: Drill Core Re-logged all of Pacific Sentinel Gold's drill core to simplify geological units.
2010 Studies: Resource Estimate Released NI 43-101 compliant resource estimate for deposit.
2009 Drilling: Diamond Thirty-nine holes, 10,850 m. No report received yet.
2009 Ground Geophysics: IP Quantec Titan 24 deep-penetration IP and magnetic survey.
2008 Development, Surface: Reclamation Cleaned up and rehabilitated camp facilities
2008 Drilling: Diamond Thirteen holes, 1,163 m. No report received yet.
2008 Studies: Pre-feasibility Also collected baseline environmental data.
2003 Geochemistry: Soil Sampling covered Casino B grid located halfway between this occurrence and Minfile Occurrence #115J 101.
2001 Geochemistry: Rock Also prospecting.
2001 Geochemistry: Soil Carried out on Casino "B" claims. Re-established 1986 soil sample grid and collected several lines of samples to confirm earlier results.
2001 Other Prospecting.
2000 Drilling: Diamond Four holes, 531.57 m. Drilled on Casino "B" claims, optioned from Great Basin Gold. Part of larger program conducted on adjoin Ana and Koffee claims.
1994 Drilling: Diamond One hundred and eight holes, 18, 126.5 m. Thirty-four of the holes were for mine engineering purposes.
1994 Lab Work/Physical Studies: Metallurgical Tests
1994 Studies: Environmental Assessment/Impact
1993 Drilling: Diamond One hundred twenty-seven holes, 50,316 m.
1992 Drilling: Diamond Twenty-one holes, 4,72.4 m.
1985 Geochemistry: Soil
1985 Trenching: Mechanical
1973 Drilling: Diamond Seven holes, 1,421 m.
1973 Geochemistry: Soil
1973 Ground Geophysics: EM
1970 Drilling: Diamond Forty-six holes, 4,572 m.
1970 Drilling: Rotary Thirty-five holes, 5,417 m.
1969 Drilling: Diamond Three holes, 670.6 m.
1969 Lab Work/Physical Studies: Metallurgical Tests Preliminary metallurgical studies.
1969 Trenching: Mechanical
1967 Geochemistry: Soil
1967 Geology: Bedrock Mapping
1966 Geochemistry: Soil
1966 Ground Geophysics: Magnetics Also EM surveys.

Regional Geology - Terrane

Group: Intermontane
Affinity: W Laurentia
Name: Yukon-Tanana
Realm: peri-Laurentian


Regional Geology - Bedrock

Supergroup:
Group/Suite: Casino
Formation:
Member:
Terrane:
Period Max: Cretaceous
Age Max: 79 MA
Period Min: Cretaceous
Age Min: 74 MA
Rock Major: monzonite, dacite
Rock Minor:
Reference: Ryan et al. (2013) - GSC CGM 116
Geological Unit (1M): LKC
Geological Unit (250K): LKfC

Assessment Reports that overlap occurrence

Report Number Year Title Worktypes Holes Drilled Meters Drilled
096384 2012 2012 Assessment Report for the Casino Property Diamond Drilling, Drill Core Geochemistry, Geotechnical Studies, Pre-feasibility Studies 11 1798.70
095869 2011 2011 Assessment Report for the Casino Property Diamond Drilling, Drill Core Geochemistry, Geotechnical Studies 41 3163.26
095312 2010 2010 Assessment Report for the Casino Property All Weather Road Development, Surface, Diamond Drilling, Drill Core Geochemistry 2 484.73
095263 2009 2009 Assessment Report for the Casino Property EM Ground Geophysics, IP Ground Geophysics, Resistivity Ground Geophysics, Line Cutting Other
095199 2008 2008 Assessment Report for the Casino Property Air Strip Development, Surface, All Weather Road Development, Surface, Environmental Clean-up Development, Surface, Reclamation Development, Surface, Diamond Drilling, Drill Core Geochemistry, Column Leach Test Lab Work/Physical Studies 3 1163
095057 2008 Summary Report of the 2008 Aster Image Program on the Canadian Creek Property Infrared Remote Sensing
120161 1994 Casino Project Assesment Report - 1994 Placer Exploration Program Access Road Development, Surface, Air Strip Development, Surface, Reclamation Development, Surface, Diamond Drilling, Drill Core Geochemistry, Rock Geochemistry, Soil Geochemistry, Detailed Surficial Mapping Geology, Heavy Mineral Concentrate Lab Work/Physical Studies, Panning Placer Processing, Mechanical Trenching 51 464.21
093190 1993 1993 Summary Report-Casino Property All Weather Road Development, Surface, Diamond Drilling, Drill Core Geochemistry, Rock Geochemistry, Soil Geochemistry, Detailed Bedrock Mapping Geology, Heavy Mineral Concentrate Lab Work/Physical Studies, Biophysical Mapping Studies, Environmental Assessment/Impact Studies, Geotechnical Studies, Rock Mechanics Studies, Mechanical Trenching 127 50316
093056 1992 Assessment Report-Diamond Drilling-[on the Casino Project] Diamond Drilling, Drill Core Geochemistry 21 4729.44
091348 1971 [Casino Silver Mines Limited-Group Plan and Drill Hole Geologic Logs] Diamond Drilling, Rotary Drilling, Drill Core Geochemistry, Drill Cuttings Geochemistry 7 1420.98
019767 1970 Geophysical Report on Airborne Magnetic and Airborne Radiometric Surveys Gama-Ray Spectrometry Airborne Geophysics, Magnetic Airborne Geophysics
061125 1970 Summary Report-Casino Project-Yukon Territory-Brameda Resources Ltd. Winter Road Development, Surface, Diamond Drilling, Rotary Drilling, Drill Core Geochemistry, Drill Cuttings Geochemistry, Soil Geochemistry, Petrographic Lab Work/Physical Studies, Data Compilation Pre-existing Data, Research/Summarize Pre-existing Data, Pre-feasibility Studies, Resource Estimate Studies 35 11259.92
062035 1970 Report Brameda Resources Ltd.-Casino Creek Copper-Molybdenum Property Cursory Property Visit Other, Data Compilation Pre-existing Data, Preliminary Economic Assessment Studies, Resource Estimate Studies
091349 1969 [Casino Silver Mines Ltd.-Drill Hole Logs-Protore Zone 1969] Diamond Drilling, Rotary Drilling, Drill Core Geochemistry, Drill Cuttings Geochemistry 43 10291.72
060740 1968 Geology and Geochemical Survey-Casino-Canadian Creek Property Soil Geochemistry, Bedrock Mapping Geology
019100 1968 Geology and Geochemical Survey-Casino-Canadian Creek Property Silt Geochemistry, Soil Geochemistry, Water Geochemistry, Bedrock Mapping Geology, Property Evaluation Other, Prospecting Other
060784 1967 Casino Silver Mines Ltd.-Engineering Report on the Year 1967 Diamond Drilling, Drill Core Geochemistry, Rock Geochemistry, Soil Geochemistry, EM Ground Geophysics, Data Compilation Pre-existing Data, Mechanical Trenching 12 1047.90
019601 1966 [Geophysical Data, Reports, and Certificate of Expenditures-Casino Creek Area] Detailed Bedrock Mapping Geology, Data Compilation Pre-existing Data
017450 1966 Report on Geochemical Survey-Dip Creek Watershed Silt Geochemistry, Soil Geochemistry
019140 1966 Report on Geoochemical Survey-Casino Silver Mines Ltd.-Anomaly "C" Area EM Ground Geophysics
019138 1966 Report on Profgram of Geophysical Data-Canadian Creek Part of Property Casino Creek EM Ground Geophysics
019098 1965 Geophysical Report-Cat Claims-Casino Creek Area Magnetic Airborne Geophysics

Related References

Number Title Page(s) Document Type
YEG2001 Yukon Exploration and Geology 2001 24 Annual Report
YEG1992 Yukon Exploration and Geology 1992 2 - 5 Annual Report
YEG1995 Yukon Exploration and Geology 1995 10-11, 16 Annual Report
YEG2008 Yukon Exploration and Geology 2008 22 - 23, 36 Annual Report
YEG2003 Yukon Exploration and Geology 2003 17 - 18, 25 Annual Report
YEG2009_OV Yukon Exploration and Geology Overview 2009 45 - 46, 56, 58 Annual Report
YEG2010_OV Yukon Exploration and Geology Overview 2010 49, 62, 64 Annual Report
YEG1993 Yukon Exploration and Geology 1993 4 Annual Report
YEG1996 Yukon Exploration and Geology 1996 30 Annual Report
YEG1997 Yukon Exploration and Geology 1997 35 Annual Report
YEG2000 Yukon Exploration and Geology 2000 25, 27 Annual Report
YEG2011_OV Yukon Exploration and Geology Overview 2011 52, 69 Annual Report
MIR1969_70 Mineral Industry Report 1969 - 70 55 -57 Annual Report
094169 Diamond Drilling and Other Field Works Completed on the Canadian Creek Property Assessment Report
093056 Assessment Report-Diamond Drilling-[on the Casino Project] Assessment Report
019099 Report on the Geophysical Survey on the Cental Part of the Property-Casino Creek Area Assessment Report
094449 2003 Exploration Program Report on the Canadian Creek Property Assessment Report
019138 Report on Profgram of Geophysical Data-Canadian Creek Part of Property Casino Creek Assessment Report
019140 Report on Geoochemical Survey-Casino Silver Mines Ltd.-Anomaly "C" Area Assessment Report
091348 [Casino Silver Mines Limited-Group Plan and Drill Hole Geologic Logs] Assessment Report
019098 Geophysical Report-Cat Claims-Casino Creek Area Assessment Report
091349 [Casino Silver Mines Ltd.-Drill Hole Logs-Protore Zone 1969] Assessment Report
062035 Report Brameda Resources Ltd.-Casino Creek Copper-Molybdenum Property Assessment Report
093190 1993 Summary Report-Casino Property Assessment Report
060784 Casino Silver Mines Ltd.-Engineering Report on the Year 1967 Assessment Report
019141 Report on Lead-Silver Property-Casino Creek Area Assessment Report
094244 2001 Target Evaluation Program-Canadian Creek Property Assessment Report
ARMC012481 Vertical section I - Trench "C" - Casino - Fig. 3 Geoscience Map (General)
ARMC012482 Vertical section II - Casino - Fig. 4 Geoscience Map (General)
ARMC012483 Vertical section III - Casino - FIg. 5 Geoscience Map (General)
ARMC012484 Plan map of diamond drilling and provisional geology - Casino Geoscience Map (Geological - Bedrock)
ARMC012486 Maps, special release report and report to the shareholders on the Casino and Canadian Creek property, Y.T. Geoscience Map (Geological - Bedrock)
ARMC012240 A geochemical discovery of an unglaciated Arizona-type porphyry - Casino Report
ARMC012489 Some remarks concerning the geology of the "Canadian Basin" Miscellaneous Company Documents
ARMC012479 Sample location map - Casino geochemical orientation survey - Fig. 1 Geoscience Map (General)
ARMC016557 Geology map - 115J/10 - Colorado Creek Geoscience Map (Geological - Bedrock)
ARMC012480 Comparison of anomaly contrasts for total and cold-extractable Cu on stream sediments - Casino - Fig. 2 Miscellaneous Company Documents
ARMC012488 Dispersion of some minor elements in the vicinity of Casino orebody Report
ARMC012478 Location plan - Casino area claims - 1969 Geoscience Map (General)
ARMC016558 Geochemical values total extraction map - 115J/10 - Colorado Creek Geochemical Map
ARMC012487 Geology and rotary drilling at the Casino deposit Report
ARMC012485 Department of mines map - Klotassin River with hand drawn geology markings - Casino Geoscience Map (General)
Citations
ARCHER, A.R., and MAIN, C.A., 1971. Casino, Yukon - A geochemical discovery of an unglaciated, Arizona-type porphyry. Canadian Institute of Mining and Metallurgy, Special Volume 11, p. 67-77.
BIG CREEK RESOURCES LTD, 15 Jul/1992; 4 Aug/1992; 19 Aug/92; 19 Oct/1992; News Releases.
BOWER, B. ET AL, 1995. The oxide-gold, supergene and hypogene zones at the Casino gold-copper-molybdenum deposit, west central Yukon. In: Porphyry Deposits of the Northwestern Cordillera of North America, Canadian Institute of Mining, Metallurgy and Petroleum Special Volume 46, p.352-366.
CANLEY DEVELOPMENTS INCORPORATED, Mar/2003. Compilation Report: The Canadian Creek Property, Whitehorse Mining District, Yukon Territory. (Available from SEDAR under Sargold Resources Corporation Mar 21, 2003.)
CRS-COPPER RESOURCES CORPORATION AND FIRST TRIMARK VENTURES INC. Jan/2003. Qualifying Report-Casino Property, Yukon Territory. By C.M. Rebagliati and R.H. Banner. (Originally located on SEDAR website under Lumina Copper Corporation currently housed under the company profile for Western Copper and Gold)
GEOLOGICAL SURVEY OF CANADA, Paper 69-55, p. 39 - 40.
GEOLOGICAL SURVEY OF CANADA, Paper 72-1A, p. 36 - 39.
GEOLOGICAL SURVEY OF CANADA, Summary Report 1916, p. 20 - 23.
GEORGE CROSS NEWSLETTER, 15 Apr/1992; 12 Jun/1992; 30 Jun/1992; 17 Jul/1992; 20 Jul/1992; 5 Aug/1992; 20 Aug/1992; 24 Aug/1992; 20 Oct/1992; 2 Dec/1992; 17 Feb/1993; 6 May/1993; 19 May/1993; 1 Jun/1993; 30 Nov/1994; 28 Aug/1995.
GODWIN, C.I., 1975. Geology of Casino porphyry copper-molybdenum deposit. Unpublished Ph.D thesis, University of British Columbia.
GODWIN, C.I., 1976. Casino in Porphyry Deposits of the Canadian Cordillera. In: Canadian Institute of Mining and Metallurgy, Special Volume 15, p. 344-358.
GREAT BASIN GOLD, News Release, 17 May/2002; 20 May/2003.
HUSS C. ET AL, 2013. Casino Project, Form 43-101F1 Technical Report, Feasibility Study, Yukon, Canada. M3 Engineering & Technology Corporation for Western Copper and Gold, http://www.westerncopperandgold.com/i/pdf/reports/CasinoNI43-101-Jan2013.pdf
LUMINA COPPER CORP. Feb 24, 2004. Report on the Revised Resource Estimate Casino Property Yukon Territory. By E.D. Titley and C.M Rebagliati. (Located on SEDAR website under Western Copper and Gold Corp.).
LUMINA COPPER CORPORATION, News Release, 28 May/2003.
M3 ENGINEERING & TECHNOLOGY CORP., August/2008. Technical Report - Casino Project Pre-Feasibility Study Yukon Territory, Canada. Volume 1 Prepared for Western Copper Corporation. (available on SEDAR under company profile for Western Copper and Gold).
M3 ENGINEERING & TECHNOLOGY CORP., May/2011. NI 43-101 Technical Report, Pre-Feasibility Study Update Casino Project, Yukon Territory, Canada. Revision 1, Prepared for Western Copper Corporation. (available on SEDAR under company profile for Western Copper and Gold).
NEY, C.S., et al., 1976. Supergene Copper Mineralization. Canadian Institute of Mining and Metallurgy Special Volume 15, p. 75-76.
NORTHERN MINER, 20 Jul/1992; 17 Aug/1992; 14 Sep/1992; 2 Nov/1992; 25 Jan/1993; 10 May/1993; 31 May/1993; 7 Jun/1993; 14 Dec/1993; 31 May/1993; 20 Sept/1993; 1 Aug/1994; 28 Nov/1994; 5 Dec/1994.
PACIFIC SENTINEL GOLD CORP, 1993. Annual Report. (available in the EMR Library, Whitehorse, Yukon).
PHILLIPS, M.P., and GODWIN, C.I., Nov/70. Geology & Rotary Drilling at the Casino Deposit. Western Miner, Nov/70, p. 43-49.
SARGOLD RESOURCES CORPORATION, Audited Annual financial Statements - English, May 12 2004. Available on SEDAR.
SARGOLD RESOURCES CORPORATION, News Release, 19 Dec/2002, 2 Jul/2003.
SELBY, D. and NESBITT, B.E., 1998. Biotite chemistry of the Casino Porphyry Cu-Mo-Au Occurrence, Dawson Range, Yukon. In: Yukon Exploration and Geology 1997. Exploration and Geological Services Division, Yukon, Indian and Northern Affairs Canada, p. 83-88.
SELBY, D. ET AL., 1999. Major and trace element compositions and Sr-Nd-Pb systematics of crystalline rocks from the Dawson Range, Yukon Canada. In: Canadian Journal of Earth Sciences, Volume 36, p. 1463-1481
WESTERN COPPER AND GOLD CORPORATION, Dec/2009. Web Site: www.westerncopperandgoldcorp.com.
WESTERN COPPER AND GOLD CORPORATION, News Release. 17 Oct/2011, 5 Dec/2011, 16 Jan/2012, 5 Jun/2012.
WESTERN COPPER CORP, Jan/2011. Assessment Report #095312 by S. Casselman.
WESTERN COPPER CORP, Sep/2009. Assessment Report #095199 by S. Casselman.
WESTERN COPPER CORP, Sep/2010. Assessment Report #095263 by J. Halle, E. Halle and S. Casselman.
WESTERN COPPER CORP., Dec/2010. Casino Project 2010 Mineral Resource Update. By G. Giroux and S. Casselman. (Available on SEDAR under company profile for Western Copper and Gold).
WESTERN COPPER CORPORATION, News Release. 18 Sep/2006, 18 Jul/2007,10 Aug/2007, 24 June 2008; 8 Sep/2009, 18 Nov 2009, 26 Mar/2010, 24 Jun/2010, 15 Sep/2010, 1 Nov/2010, 7 Apr/2011, 16 May/2011, 23 Jun/2011, 19 Aug/2011, 3 Oct/2011, 5 Oct/2011.
WHITEHORSE STAR, 6 Aug/1992; 28 Aug/1992.
WILDROSE RESOURCES LTD, News Release, 19 Dec/2002; 1 Dec/2003.
Last Updated: Aug 2, 2018

Resource/Reserve

Year Zone Type Commodity Grade Tonnage Amount Reported Amount 43-101 Compliant Cut-off
2013 Heap Leach Resource (Open Pit) Inferred Copper .01 % 17,000,000 No Yes 0.25 g/t Au
2013 Heap Leach Resource (Open Pit) Indicated Copper .03 % 53,000,000 No Yes 0.25 g/t Au
2013 Heap Leach Resource (Open Pit) Measured Copper .05 % 31,000,000 No Yes 0.25g/t Au
2013 Mill Resource (Open Pit) Indicated Copper .19 % 963,600,000 No Yes 0.25% CuEq
2013 Mill Resource (Open Pit) Inferred Copper .14 % 1,696,000,000 No Yes 0.25% CuEq
2013 Mill Resource (open pit) Measured Copper .34 % 93,000,000 No Yes 0.25% CuEq
2013 Heap Leach Reserve (Open Pit) Probable Copper .032 % 125,694,000 No Yes Unknown
2013 Heap Leach Reserve (Open Pit) Proven Copper .051 % 31,760,000 No Yes Unknown
2013 Mill Ore Reserve (Open Pit) Probable Copper .19 % 873,605,000 No Yes Unknown
2013 Mill Ore Reserve (Open Pit) Proven Copper .336 % 91,602,000 No Yes Unknown
2013 Heap Leach Resource (Open Pit) Inferred Gold .31 % 17,000,000 No Yes 0.25 g/t Au
2013 Heap Leach Resource (Open Pit) Indicated Gold .33 g/t 53,000,000 17 No Yes 0.25 g/t Au
2013 Heap Leach Resource (Open Pit) Measured Gold .52 g/t 31,000,000 16 No Yes 0.25 g/t Au
2013 Mill Resource (Open Pit) Indicated Gold .21 g/t 963,600,000 202 No Yes 0.25% CuEq
2013 Mill Resource (Open Pit) Inferred Gold .16 g/t 1,696,000,000 271 No Yes 0.25% CuEq
2013 Mill Resource (Open Pit) Measured Gold .43 g/t 93,000,000 40 No Yes 0.25% CuEq
2013 Heap Leach Reserve (Open Pit) Probable Gold .244 g/t 125,694,000 31 No Yes Unknown
2013 Heap Leach Reserve (Open Pit) Proven Gold .48 g/t 31,760,000 15 No Yes Unknown
2013 Mill Ore Reserve (Open Pit) Probable Gold .219 g/t 873,605,000 191 No Yes Unknown
2013 Mill Ore Reserve (Open Pit) Proven Gold .437 g/t 91,602,000 40 No Yes Unknown
2013 Heap Leach Resource (Open Pit) Inferred Molybdenum .008 % 17,000,000 No Yes 0.25 g/t Au
2013 Heap Leach Resource (Open Pit) Indicated Molybdenum .017 % 53,000,000 No Yes 0.25 g/t Au
2013 Heap Leach Resource (Open Pit) Measured Molybdenum .025 % 31,000,000 No Yes 0.25 g/t Au
2013 Mill Resource (Open Pit) Indicated Molybdenum .022 % 963,600,000 No Yes 0.25% CuEq
2013 Mill Resource (Open Pit) Inferred Molybdenum .019 % 1,696,000,000 No Yes 0.25% CuEq
2013 Mill Resource (Open Pit) Measured Molybdenum .027 % 93,000,000 No Yes 0.25% CuEq
2013 Mill Ore Reserve (Open Pit) Probable Molybdenum .0222 % 873,605,000 No Yes Unknown
2013 Mill Ore Reserve (Open Pit) Proven Molybdenum .0275 % 91,602,000 No Yes Unknown
2013 Heap Leach Resource (Open Pit) Inferred Silver 1.93 g/t 17,000,000 33 No Yes 0.25 g/t Au
2013 Heap Leach Resource (Open Pit) Indicated Silver 2.36 g/t 53,000,000 125 No Yes 0.25 g/t Au
2013 Heap Leach Resource (Open Pit) Measured Silver 2.94 g/t 31,000,000 91 No Yes 0.25 g/t Au
2013 Mill Resource (Open Pit) Indicated Silver 1.66 g/t 963,600,000 1,600 No Yes 0.25% CuEq
2013 Mill Resource (Open Pit) Inferred Silver 1.37 g/t 1,696,000,000 2,324 No Yes 0.25% CuEq
2013 Mill Resource (Open Pit) Measured Silver 2.21 g/t 93,000,000 206 No Yes 0.25% CuEq
2013 Mill Ore Reserve (Open Pit) Probable Silver 1.68 g/t 873,605,000 1,468 No Yes Unknown
2013 Heap Leach Reserve (Open Pit) Probable Silver 2.06 g/t 125,694,000 259 No Yes Unknown
2013 Heap Leach Reserve (Open Pit) Proven Silver 2.79 g/t 31,760,000 89 No Yes Unknown
2013 Mill Ore Reserve (Open Pit) Proven Silver 2.23 g/t 91,602,000 204 No Yes Unknown
2010 LEACHED CAP/OXIDE GOLD (OPEN PIT) Inferred Copper .01 % 1,000,000 0 Yes Yes 0.40 g/t gold
2010 LEACHED CAP/OXIDE GOLD (OPEN PIT) Indicated Copper .04 % 9,000,000 0 Yes Yes 0.40 g/t gold
2010 LEACHED CAP/OXIDE GOLD (OPEN PIT) Measured Copper .06 % 23,000,000 0 Yes Yes 0.40 g/t gold
2010 SUPERGENE SULPHIDE (OPEN PIT) Inferred Copper .2 % 102,000,000 226,796 Yes Yes 0.25% CuEq
2010 SUPERGENE SULPHIDE (OPEN PIT) Indicated Copper .24 % 216,000,000 498,952 Yes Yes 0.25% CuEq
2010 SUPERGENE SULPHIDE (OPEN PIT) Measured Copper .39 % 36,000,000 136,078 Yes Yes 0.25% CuEq
2010 LEACHED CAP/OXIDE GOLD (OPEN PIT) Inferred Gold .44 g/t 1,000,000 0 Yes Yes 0.40 g/t gold
2010 LEACHED CAP/OXIDE GOLD (OPEN PIT) Indicated Gold .48 g/t 9,000,000 3,110 Yes Yes 0.40 g/t gold
2010 LEACHED CAP/OXIDE GOLD (OPEN PIT) Measured Gold .59 g/t 23,000,000 12,441 Yes Yes 0.40 g/t gold
2010 SUPERGENE SULPHIDE (OPEN PIT) Inferred Gold .19 g/t 102,000,000 18,662 Yes Yes 0.25% CuEq
2010 SUPERGENE SULPHIDE (OPEN PIT) Indicated Gold .22 g/t 216,000,000 46,655 Yes Yes 0.25%
2010 SUPERGENE SULPHIDE (OPEN PIT) Measured Gold .41 g/t 36,000,000 15,552 Yes Yes 0.25% CuEq
2010 LEACHED CAP/OXIDE GOLD (OPEN PIT) Inferred Molybdenum .006 % 1,000,000 0 Yes Yes 0.40 g/t gold
2010 LEACHED CAP/OXIDE GOLD (OPEN PIT) Indicated Molybdenum .017 % 9,000,000 1,360 Yes Yes 0.40 g/t gold
2010 LEACHED CAP/OXIDE GOLD (OPEN PIT) Measured Molybdenum .025 % 23,000,000 5,897 Yes Yes 0.40 g/t gold
2010 SUPERGENE SULPHIDE (OPEN PIT) Inferred Molybdenum .01 % 102,000,000 10,433 Yes Yes 0.25% CuEq
2010 SUPERGENE SULPHIDE (OPEN PIT) Indicated Molybdenum .019 % 216,000,000 40,823 Yes Yes 0.25% CuEq
2010 SUPERGENE SULPHIDE (OPEN PIT) Measured Molybdenum .029 % 36,000,000 10,433 Yes Yes 0.25 CuEq
2010 SUPERGENE SULPHIDE (OPEN PIT) Indicated Silver 1.72 g/t 216,000,000 370 Yes Yes 0.25% CuEq
2010 LEACHED CAP/OXIDE GOLD (OPEN PIT) Inferred Silver 2.09 g/t 1,000,000 3,110 Yes Yes 0.40 g/t gold
2010 LEACHED CAP/OXIDE GOLD (OPEN PIT) Indicated Silver 2.88 g/t 9,000,000 24,883 Yes Yes 0.40 g/t gold
2010 LEACHED CAP/OXIDE GOLD (OPEN PIT) Measured Silver 3.23 g/t 23,000,000 74,648 Yes Yes 0.40 g/t gold
2010 SUPERGENE SULPHIDE (OPEN PIT) Inferred Silver 1.49 g/t 102,000,000 152,407 Yes Yes 0.25% CuEq
2010 SUPERGENE SULPHIDE (OPEN PIT) Measured Silver 2.34 g/t 36,000,000 84 Yes Yes 0.25% CuEq
2008 LEACHED CAP/OXIDE GOLD (OPEN PIT) Measured Copper .08 % 28,000,000 No Unknown Unknown
2008 LEACHED CAP/OXIDE GOLD (OPEN PIT) Indicated Copper .06 % 10,000,000 No Unknown Unknown
2008 SUPERGENE OXIDE (OPEN PIT) Measured Copper .36 % 21,000,000 No Unknown Unknown
2008 SUPERGENE OXIDE (OPEN PIT) Indicated Copper .27 % 25,000,000 No Unknown Unknown
2008 SUPERGENE SULPHIDE (OPEN PIT) Measured Copper .39 % 33,000,000 No Unknown Unknown
2008 SUPERGENE SULPHIDE (OPEN PIT) Indicated Copper .29 % 100,000,000 No Unknown Unknown
2008 HYPOGENE (OPEN PIT) Measured Copper .22 % 111,000,000 No Unknown Unknown
2008 HYPOGENE (OPEN PIT) Indicated Copper .18 % 795,000,000 No Unknown Unknown
2008 LEACHED CAP/OXIDE GOLD (OPEN PIT) Measured Gold .6 g/t 28,000,000 No Unknown Unknown
2008 LEACHED CAP/OXIDE GOLD (OPEN PIT) Indicated Gold .48 g/t 10,000,000 No Unknown Unknown
2008 SUPERGENE OXIDE (OPEN PIT) Measured Gold .49 g/t 21,000,000 No Unknown Unknown
2008 SUPERGENE OXIDE (OPEN PIT) Indicated Gold .19 g/t 25,000,000 No Unknown Unknown
2008 SUPERGENE SULPHIDE (OPEN PIT) Measured Gold .47 g/t 33,000,000 No Unknown Unknown
2008 SUPERGENE SULPHIDE (OPEN PIT) Indicated Gold .25 g/t 100,000,000 No Unknown Unknown
2008 HYPOGENE (OPEN PIT) Measured Gold .27 g/t 111,000,000 No Unknown Unknown
2008 HYPOGENE (OPEN PIT) Indicated Gold .2 g/t 795,000,000 No Unknown Unknown
2008 LEACHED CAP/OXIDE GOLD (OPEN PIT) Measured Molybdenum .03 % 28,000,000 No Unknown Unknown
2008 LEACHED CAP/OXIDE GOLD (OPEN PIT) Indicated Molybdenum .01 % 10,000,000 No Unknown Unknown
2008 SUPERGENE OXIDE (OPEN PIT) Indicated Molybdenum .01 % 25,000,000 No Unknown Unknown
2008 SUPERGENE SULPHIDE (OPEN PIT) Measured Molybdenum .03 % 33,000,000 No Unknown Unknown
2008 SUPERGENE SULPHIDE (OPEN PIT) Indicated Molybdenum .02 % 100,000,000 No Unknown Unknown
2008 HYPOGENE (OPEN PIT) Measured Molybdenum .03 % 111,000,000 No Unknown Unknown
2008 HYPOGENE (OPEN PIT) Indicated Molybdenum .02 % 795,000,000 No Unknown Unknown
2008 SUPERGENE OXIDE (OPEN PIT) Measured Molybdenum .02 % 21,000,000 No Unknown Unknown
2004 SUPERGENE OXIDE (OPEN PIT) Inferred Copper .28 % 8,000,000 No Unknown Unknown
2004 SUPERGENE OXIDE (OPEN PIT) Indicated Copper .29 % 18,000,000 No Unknown Unknown
2004 SUPERGENE OXIDE (OPEN PIT) Measured Copper .35 % 25,000,000 No Unknown Unknown
2004 SUPERGENE SULPHIDE (OPEN PIT) Inferred Copper .22 % 19,000,000 No Unknown Unknown
2004 SUPERGENE SULPHIDE (OPEN PIT) Indicated Copper .3 % 76,000,000 No Unknown Unknown
2004 SUPERGENE SULPHIDE (OPEN PIT) Measured Copper .36 % 47,000,000 No Unknown Unknown
2004 HYPOGENE (OPEN PIT) Inferred Copper .16 % 152,000,000 No Unknown Unknown
2004 HYPOGENE (OPEN PIT) Indicated Copper .19 % 623,000,000 No Unknown Unknown
2004 HYPOGENE (OPEN PIT) Measured Copper .21 % 174,000,000 No Unknown Unknown
2004 SUPERGENE OXIDE (OPEN PIT) Inferred Gold .19 g/t 8,000,000 No Unknown Unknown
2004 SUPERGENE OXIDE (OPEN PIT) Indicated Gold .21 g/t 18,000,000 No Unknown Unknown
2004 HYPOGENE (OPEN PIT) Inferred Gold .19 g/t 152,000,000 No Unknown Unknown
2004 HYPOGENE (OPEN PIT) Indicated Gold .21 g/t 623,000,000 No Unknown Unknown
2004 SUPERGENE OXIDE (OPEN PIT) Measured Gold .35 g/t 25,000,000 No Unknown Unknown
2004 SUPERGENE SULPHIDE (OPEN PIT) Inferred Gold .15 g/t 19,000,000 No Unknown Unknown
2004 SUPERGENE SULPHIDE (OPEN PIT) Indicated Gold .26 g/t 76,000,000 No Unknown Unknown
2004 SUPERGENE SULPHIDE (OPEN PIT) Measured Gold .41 g/t 47,000,000 No Unknown Unknown
2004 HYPOGENE (OPEN PIT) Measured Gold .26 g/t 174,000,000 No Unknown Unknown
2004 SUPERGENE SULPHIDE (OPEN PIT) Inferred Molybdenum .02 % 19,000,000 No Unknown Unknown
2004 SUPERGENE SULPHIDE (OPEN PIT) Indicated Molybdenum .02 % 76,000,000 No Unknown Unknown
2004 SUPERGENE SULPHIDE (OPEN PIT) Measured Molybdenum .03 % 47,000,000 No Unknown Unknown
2004 HYPOGENE (OPEN PIT) Inferred Molybdenum .02 % 152,000,000 No Unknown Unknown
2004 HYPOGENE (OPEN PIT) Indicated Molybdenum .02 % 623,000,000 No Unknown Unknown
2004 HYPOGENE (OPEN PIT) Measured Molybdenum .03 % 174,000,000 No Unknown Unknown
2004 SUPERGENE OXIDE (OPEN PIT) Inferred Molybdenum .01 % 8,000,000 No Unknown Unknown
2004 SUPERGENE OXIDE (OPEN PIT) Indicated Molybdenum .01 % 18,000,000 No Unknown Unknown
2004 SUPERGENE OXIDE (OPEN PIT) Measured Molybdenum .02 % 25,000,000 No Unknown Unknown
2003 SUPERGENE SULPHIDE (OPEN PIT) Measured Copper .4 % 40,000,000 No Unknown Unknown
2003 SUPERGENE OXIDE (OPEN PIT) Measured Copper .4 % 20,000,000 No Unknown Unknown
2003 LEACHED CAP/OXIDE GOLD (OPEN PIT) Inferred Copper .1 % 1,000,000 No Unknown Unknown
2003 LEACHED CAP/OXIDE GOLD (OPEN PIT) Indicated Copper .06 % 7,000,000 No Unknown Unknown
2003 LEACHED CAP/OXIDE GOLD (OPEN PIT) Measured Copper .07 % 31,000,000 No Unknown Unknown
2003 SUPERGENE OXIDE (OPEN PIT) Inferred Copper .31 % 7,000,000 No Unknown Unknown
2003 SUPERGENE OXIDE (OPEN PIT) Indicated Copper .31 % 16,000,000 No Unknown Unknown
2003 SUPERGENE SULPHIDE (OPEN PIT) Inferred Copper .26 % 11,000,000 No Unknown Unknown
2003 SUPERGENE SULPHIDE (OPEN PIT) Indicated Copper .33 % 63,000,000 No Unknown Unknown
2003 HYPOGENE (OPEN PIT) Inferred Copper .24 % 38,000,000 No Unknown Unknown
2003 HYPOGENE (OPEN PIT) Indicated Copper .26 % 234,000,000 No Unknown Unknown
2003 HYPOGENE (OPEN PIT) Measured Copper .27 % 88,000,000 No Unknown Unknown
2003 LEACHED CAP/OXIDE GOLD (OPEN PIT) Inferred Gold .45 g/t 1,000,000 No Unknown Unknown
2003 LEACHED CAP/OXIDE GOLD (OPEN PIT) Indicated Gold .48 g/t 7,000,000 No Unknown Unknown
2003 LEACHED CAP/OXIDE GOLD (OPEN PIT) Measured Gold .59 g/t 31,000,000 No Unknown Unknown
2003 SUPERGENE OXIDE (OPEN PIT) Inferred Gold .16 g/t 7,000,000 No Unknown Unknown
2003 SUPERGENE OXIDE (OPEN PIT) Indicated Gold .17 g/t 16,000,000 No Unknown Unknown
2003 SUPERGENE OXIDE (OPEN PIT) Measured Gold .44 g/t 20,000,000 No Unknown Unknown
2003 SUPERGENE SULPHIDE (OPEN PIT) Inferred Gold .15 g/t 11,000,000 No Unknown Unknown
2003 SUPERGENE SULPHIDE (OPEN PIT) Indicated Gold .27 g/t 63,000,000 No Unknown Unknown
2003 SUPERGENE SULPHIDE (OPEN PIT) Measured Gold .41 g/t 40,000,000 No Unknown Unknown
2003 HYPOGENE (OPEN PIT) Inferred Gold .23 g/t 38,000,000 No Unknown Unknown
2003 HYPOGENE (OPEN PIT) Indicated Gold .26 g/t 234,000,000 No Unknown Unknown
2003 HYPOGENE (OPEN PIT) Measured Gold .32 g/t 88,000,000 No Unknown Unknown
2003 LEACHED CAP/OXIDE GOLD (OPEN PIT) Inferred Molybdenum .01 % 1,000,000 No Unknown Unknown
2003 LEACHED CAP/OXIDE GOLD (OPEN PIT) Indicated Molybdenum .01 % 7,000,000 No Unknown Unknown
2003 LEACHED CAP/OXIDE GOLD (OPEN PIT) Measured Molybdenum .02 % 31,000,000 No Unknown Unknown
2003 SUPERGENE OXIDE (OPEN PIT) Inferred Molybdenum .01 % 7,000,000 No Unknown Unknown
2003 SUPERGENE OXIDE (OPEN PIT) Indicated Molybdenum .01 % 16,000,000 No Unknown Unknown
2003 SUPERGENE OXIDE (OPEN PIT) Measured Molybdenum .02 % 20,000,000 No Unknown Unknown
2003 SUPERGENE SULPHIDE (OPEN PIT) Inferred Molybdenum .02 % 11,000,000 No Unknown Unknown
2003 SUPERGENE SULPHIDE (OPEN PIT) Indicated Molybdenum .02 % 63,000,000 No Unknown Unknown
2003 HYPOGENE (OPEN PIT) Inferred Molybdenum .02 % 38,000,000 No Unknown Unknown
2003 HYPOGENE (OPEN PIT) Indicated Molybdenum .02 % 234,000,000 No Unknown Unknown
2003 HYPOGENE (OPEN PIT) Measured Molybdenum .02 % 88,000,000 No Unknown Unknown
2003 SUPERGENE SULPHIDE (OPEN PIT) Measured Molybdenum .03 % 40,000,000 No Unknown Unknown

Drill Core at YGS Core Library

Number Property Year Drilled Core Size Photos Data
CAS-086 Casino 2010 NTW 50 17
CAS-031 Casino 2009 HTW-NTW 83 19
CAS-002 Casino 2008 HTW-NTW 165 11

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