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File Created: 18-Nov-1999 by Mitch G. Mihalynuk (MGM)
Last Edit:  08-Nov-2013 by George Owsiacki (GO)

Summary Help Help

NMI
Name TESLIN LAKE, TES Mining Division Atlin
BCGS Map 104N099
Status Showing NTS Map 104N16W
Latitude 059º 58' 48'' UTM 08 (NAD 83)
Longitude 132º 22' 58'' Northing 6652073
Easting 646045
Commodities Copper, Silver Deposit Types G06 : Noranda/Kuroko massive sulphide Cu-Pb-Zn
Tectonic Belt Omineca Terrane Dorsey
Capsule Geology

The Teslin Lake occurrence is located along the east shore of northern Teslin Lake, 2 kilometres south of the Yukon border, and about 87 kilometres northeast of Atlin.

Along the east shore of northern Teslin Lake, 2 kilometres south of the Yukon border, a series of mafic to felsic tuffaceous rocks, quartz sericite schists and siltstones are exposed along a kilometre-long section of lakeshore. All are phyllitic to schistose and relict textures are rare. Several zones display widespread pyrite and traces of chalcopyrite. For example, at the south end of the outcrop belt a 20 metre thickness of locally strongly pyritic felsic metatuff is sandwiched between mafic metatuff. The gossanous layers are up to 30 centimetres thick and typically contain 10 per cent or more pyrite. Chalcopyrite occurs as sparse centimetre-sized clots and irregular stringers. It is evident at several localities that the zone has been previously sampled. Analysis of a single grab sample yielded 2.2 per cent copper and 28 parts per million (28 grams per tonne) silver (Fieldwork 1997, page 6-17).

In 2007, an airborne VTEM geophysical survey was flown on behalf of Strategic Metals Ltd. totalling 354 line kilometres. In addition, three soil sample lines were oriented to cross the stratigraphy.

Bibliography
EMPR FIELDWORK *1997, pp. 6-1 - 6-20; 1999, pp. 47-70
EMPR OF 1996-11; 2001-4
EMPR ASS RPT 30189
GSC MAP 1082A; 1418A
GSC P 74-47
GSC OF 864

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