Abstract: This open file contains a compilation of the till geochemistry data for two regions of southern Yukon: 1) Finlayson Lake (105G) and, 2) Glenlyon (105L) and east Carmacks (115I) map areas. Till sampling was conducted during the 2001 and 2002 field seasons as part of the Yukon Targeted Geoscience Initiative (TGI), a joint program involving the Yukon Geological Survey and Geological Survey of Canada. Geochemical analyses have been conducted on the clay- (<0.002 mm) and silt and clay (<0.063 mm, -230 mesh) sized fractions by inductively coupled plasma mass spectrometry (ICP-MS) following an hydrochloric-nitric acids, and demineralized water digestion (HCl:HNO3:H20). Given the occurrence of emerald (a gem variety of beryl) at Regald Ridge in the Finlayson Lake map area, beryllium analyses were conducted on the silt and clay-sized fraction by ICP-MS following a lithium metaborate (LiBO2) fusion.

Authors: Plouffe, A. and Bond, J.D.

Map Scale: 1 : 0

NTS Mapsheet(s): 105G, 105L, 115I

Citation: Plouffe, A. and Bond, J.D., 2003. Till geochemistry of the Finlayson Lake (105G), Glenlyon (105L) and east Carmacks (115I) map areas, Yukon Territory. Yukon Geological Survey, Open File 2003-10(D); Geological Survey of Canada, Open File 4479.

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