Welcome to the Yukon Geological Survey's Integrated Data System (YGSIDS). We are in the process of merging all of our data into one system (see the current state of the conversion process). When this process is complete, the YGSIDS will include all of the Yukon Geological Survey's publicly accessible data.

Yukon Geological Survey

YGS Publication Details

Reference Number
Reference Type
Yukon Geological Survey
Document Type
Open File (Geophysical)

Title: First vertical derivative of the magnetic field, aeromagnetic survey of the Llewellyn area
Map Scale: 1 : 100000
NTS Mapsheet(s): 105D01, 105D02, 105D03, 105D06, 105D07, 105D08
Citation: Boulanger, O. and Kiss, F., 2017. First vertical derivative of the magnetic field, aeromagnetic survey of the Llewellyn area, NTS 105D/1, 2, 3 and parts of 105D/6, 7, 8, Yukon. Yukon Geological Survey Open File 2017-62 (GSC Open File 8292), scale 1:100000.

Reference Location


The aeromagnetic survey was carried out by Goldak Airborne Surveys and data were acquired from March 10 to July 6, 2017. Spacing for the nominal traverse and control lines were 400 m and 2400 m, respectively. Nominal terrain clearance was 150 m.


Geotiffs The geotiffs include open files 2017-61 and 2017-62 and BC Geoscience Maps 2017-2 and 2017-4. http://data.geology.gov.yk.ca/Reference/DownloadProduct/50957
Grid files Grid files are for the Llewellyn area. http://data.geology.gov.yk.ca/Reference/DownloadProduct/50958
Map http://data.geology.gov.yk.ca/Reference/DownloadProduct/50959
Report Technical report for the Llewellyn aeromagnetic survey, BC and Yukon. http://data.geology.gov.yk.ca/Reference/DownloadProduct/50960
Hard copy publications can be obtained by contacting the Yukon Geological Survey, 102-300 Main Street, Whitehorse, Yukon, Y1A 2B5. Phone (867) 667-3201 or email geosales@gov.yk.ca.