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File Created: 15-Mar-1993 by John Bradford (JB)
Last Edit:  04-Apr-2022 by Karl A. Flower (KAF)

Summary Help Help

Name DOT Mining Division Atlin
BCGS Map 104K029
Status Showing NTS Map 104K01W
Latitude 058º 12' 02'' UTM 08 (NAD 83)
Longitude 132º 20' 09'' Northing 6454134
Easting 656570
Commodities Copper, Silver Deposit Types I06 : Cu+/-Ag quartz veins
Tectonic Belt Intermontane Terrane Stikine
Capsule Geology

The Dot showing area is underlain by Mississippian rocks of the Stikine Assemblage that consist of variably foliated mafic to intermediate ash, aphyric, plagioclase and/or pyroxene-phyic flows and crystal-lithic lapilli tuff; rare felsic tuff; laminated to thin-bedded green and white calcareous metatuff; and minor pillow basalt. A quartz vein up to 0.6 metres wide in a strongly fractured mafic tuff has up to five per cent pyrite, with lesser chalcopyrite. A grab sample assayed 1.12 per cent copper, 10 parts per billion gold and 0.5 gram per tonne silver (Open File 1993-1, Lithogeochemical Analyses table, sheet 2 of 3).

In 1992, a BC Geological Survey geological mapping project in the Tatsamenie and Bearskin lakes area resulted in an updated regional geological framework. The Dot showing was discovered by a survey team.

Refer to Golden Bear (104K 079) for related geological and work history details.

EMPR FIELDWORK *1992, pp. 159-188
EMPR OF *1993-1
GSC MAP 6-1960; 1262A
Burrell, H., Deiss, A.M. (2021-06-23): Thorn Property NI 43-101 Technical Report Sutlahine River Area, British Columbia, Atlin Mining Division