General Information
Secondary Commodities: lead, copper, silver
Deposit Type(s): Orogenic Au
Location(s): 64.465030 N, -135.411660 W
NTS Mapsheet(s): 106D06
Location Comments: Coordinates supplied by ATAC 2019
Hand Samples Available at YGS: No
Capsule
Work History
Staked as Apex claim by J. McCluskey in 1922. Re-staked as Old Chum claim (16157) in May, 1926 by L.B. Erickson.
Capsule Geology
The occurrence area is located at the southern end of Elliott Ridge, between Castle and Elliot Creeks, approximately 38 km due north of McQuesten Lake. The area was regionally mapped by L. Green (1972) of the Geological Survey of Canada in 1961 as part of a helicopter-supported party known as Operation Ogilvie. C. Roots of the Geological Survey of Canada under contract with the Exploration and Geological Services Division (now part of the Yukon Geological Survey) remapped adjoining topographic map sheets 106D/8 and 106D/7 (East half) in 1990 and topographic map sheet 105M (1997) in the mid-1990's. D. Thorkelson (2000). also under contract with Exploration and Geological Services Division, remapped topographic map sheet 106D/16 to the north as part of a larger bulletin. The work of these geologists was incorporated into a geological compilation of the Yukon released by Gordey and Makepeace of the Geological Survey of Canada in 2003.
Based on the work of these geologists it is believed that the occurrence area is underlain by Lower Proterozoic Gillespie Lake Group dolomite which has been intruded by Middle Proterozoic resistant dark weathering diorite and gabbro sills and dykes assigned to the Hart River Sills. The occurrence consists of a poorly exposed 30 cm wide quartz vein containing chalcopyrite and a little galena cutting diorite. No assays have been reported.
Staked as Apex claim by J. McCluskey in 1922. Re-staked as Old Chum claim (16157) in May, 1926 by L.B. Erickson.
Capsule Geology
The occurrence area is located at the southern end of Elliott Ridge, between Castle and Elliot Creeks, approximately 38 km due north of McQuesten Lake. The area was regionally mapped by L. Green (1972) of the Geological Survey of Canada in 1961 as part of a helicopter-supported party known as Operation Ogilvie. C. Roots of the Geological Survey of Canada under contract with the Exploration and Geological Services Division (now part of the Yukon Geological Survey) remapped adjoining topographic map sheets 106D/8 and 106D/7 (East half) in 1990 and topographic map sheet 105M (1997) in the mid-1990's. D. Thorkelson (2000). also under contract with Exploration and Geological Services Division, remapped topographic map sheet 106D/16 to the north as part of a larger bulletin. The work of these geologists was incorporated into a geological compilation of the Yukon released by Gordey and Makepeace of the Geological Survey of Canada in 2003.
Based on the work of these geologists it is believed that the occurrence area is underlain by Lower Proterozoic Gillespie Lake Group dolomite which has been intruded by Middle Proterozoic resistant dark weathering diorite and gabbro sills and dykes assigned to the Hart River Sills. The occurrence consists of a poorly exposed 30 cm wide quartz vein containing chalcopyrite and a little galena cutting diorite. No assays have been reported.
Location Map
Regional Geology - Terrane
Group: Ancestral North America
Affinity: W Laurentia
Name: North America - platformal strata
Realm: Laurentia
Regional Geology - Bedrock
Supergroup: Wernecke
Group/Suite: Gillespie Lake
Formation:
Member:
Terrane: Laurentia
Period Max: Statherian
Age Max: 1800 MA
Period Min: Statherian
Age Min: 1600 MA
Rock Major: mudstone/shale/siltstone/sandstone/conglo/dolostone
Rock Minor:
Reference: Green & Roddick (1972) - GSC Map 1282A
Geological Unit (1M): lPG
Geological Unit (250K): lPG
Assessment Reports that overlap occurrence
| Report Number | Year | Title | Worktypes | Holes Drilled | Meters Drilled |
|---|---|---|---|---|---|
| 096939 | 2015 | Technical Report and Preliminary Economic Assessment for the Tiger Deposit, Rackla Gold Project | VTEM - Airborne Geophysics, ZTEM - Airborne Geophysics, Mill/Concentrator Construction - Development, Surface, Tailings Pond - Development, Surface, Diamond - Drilling, Rock - Geochemistry, Soil - Geochemistry, Gravity Survey - Ground Geophysics, IP - Ground Geophysics, Resistivity - Ground Geophysics, Metallurgical Tests - Lab Work/Physical Studies, Data Compilation - Pre-existing Data, Data Compilation - Pre-existing Data, Environmental Assessment/Impact - Studies, Preliminary Economic Assessment - Studies, Resource Estimate - Studies | 150 | 26846.60 |
| 096607 | 2012 | Assessment Report Describing Metallurgical Testing, Wildlife Monitoring, Heritage Evaluation, and Water Quality and Climate Monitoring Surveys | Water - Geochemistry, Metallurgical Tests - Lab Work/Physical Studies, Environmental Assessment/Impact - Studies, Heritage/Archeological - Studies | ||
| 096597 | 2012 | Assessment Report Describing Geochemical Sampling, Auger Sampling, Geological Mapping, Diamond Drilling, and Geophysical Surveys | Air Strip - Development, Surface, Auger - Drilling, Diamond - Drilling, Rock - Geochemistry, Silt - Geochemistry, Soil - Geochemistry, Bedrock Mapping - Geology, EM - Ground Geophysics, Gravity Survey - Ground Geophysics, Magnetics - Ground Geophysics, Prospecting - Other, Hand - Trenching | 172 | 37340.37 |
| 095938 | 2011 | Assessment Report Describing Geochemical Sampling, Geological Mapping and Remote Sensing Surveys at the Rackla Gold Property | Rock - Geochemistry, Silt - Geochemistry, Soil - Geochemistry, Bedrock Mapping - Geology, LIDAR - Remote Sensing, Heritage/Archeological - Studies | ||
| 095721 | 2010 | Assessment Report Describing Geophysics, Soil Geochemistry and Diamond Drilling at the Rau Property | Electromagnetic - Airborne Geophysics, Electromagnetic - Airborne Geophysics, Magnetic - Airborne Geophysics, Magnetic - Airborne Geophysics, Diamond - Drilling, Diamond - Drilling, Drill Core - Geochemistry, Soil - Geochemistry, Soil - Geochemistry, Downhole Survey - Ground Geophysics, Gravity Survey - Ground Geophysics, IP - Ground Geophysics | 170 | 36900.84 |
Related References
| Number | Title | Page(s) | Document Type |
|---|---|---|---|
| ARMC008073 | Geochemical values map - Reef project - Castle Ridge detail area - Figure 9 | Geochemical Map | |
| ARMC008074 | Castle Ridge geochem map - Reef project - Figure 21 | Geochemical Map | |
| ARMC008088 | Castle Ridge detail area map - 1976 | Geoscience Map (General) | |
| ARMC008089 | Castle Ridge detail area map - 1974 | Geoscience Map (General) | |
| ARMC011912 | Geology compilation map - Castle Ridge detail area - Reef project - Figure 8 | Geoscience Map (Geological - Bedrock) | |
| GM1997-1 | Bedrock geology of Mayo map area, central Yukon (NTS 105M) | Geoscience Map (Geological - Bedrock) | |
| 2003-9(D) | Yukon Digital Geology (version 2) | Open File (Geological - Bedrock) | |
| 7 | Geology of the Mayo Map Area, Yukon Territory (NTS 105M) | Bulletin | |
| 1990-3 | Geology of 106D/8 & 7 (East Half) Map Areas | Open File (Geological - Bedrock) | |
| 10 | Geology and Mineral Occurrences of Slats Creek, Fairchild Lake and "Dolores Creek" Areas, Wernecke Mountains (106D/16, 106C/13, 106C/14), Yukon Territory | Bulletin |
| Citations |
|---|
| Geological Survey of Canada, Summary Report 1924 Part A, p. 17A. |
| Green, L.H. 1972. Geology of Nash Creek, Larsen Creek and Dawson Map-Areas, Yukon Territory. Geological Survey of Canada, Memoir 364. |
