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File Created: 07-May-2008 by Garry J. Payie (GJP)
Last Edit:  04-Apr-2022 by Karl A. Flower (KAF)

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Name TUNJONY LAKE Mining Division Atlin
BCGS Map 104K047
Status Showing NTS Map 104K07E
Latitude 058º 25' 15'' UTM 08 (NAD 83)
Longitude 132º 42' 34'' Northing 6477840
Easting 633780
Commodities Copper, Silver, Gold Deposit Types I06 : Cu+/-Ag quartz veins
Tectonic Belt Insular Terrane Stikine
Capsule Geology

In 1991, Toltec Resources Ltd. collected rock samples north and south of Tunjony Lake. Field work consisted of limited contour soil sampling (3.7 kilometres of line; 52 samples), silt sampling (13 samples) and 1:10,000 scale mapping and prospecting. During mapping, samples of altered and mineralized float and outcrop were routinely taken (36 samples).

Six of the rock samples show significant copper values (0.25 to 2.0 per cent) (Assessment Report 22209). Of these six samples, sample 18874 is from the silicified, brecciated contact between quartz monzonite of the Tertiary Sloko-Hyder Plutonic Suite and Upper Triassic Stuhini volcanics (andesitic tuffs and agglomerates). No sulphides were noted in this sample, but malachite was abundant. The remaining five copper-rich samples are from a narrow, shear-controlled quartz-sericite alteration zone (samples 18878 - 18880) and from erratic chalcopyrite stringers (samples 18897 and 18898). Sample 18882 yielded 0.38 gram per tonne gold and 66.7 grams per tonne gold (Assessment Report 22209).

EMPR FIELDWORK 1985, pp. 175-183; 1986, p. 103; 1992, pp. 159-188; 1992, pp. 159-176, 177-183
EMPR OF 1993-1; 1993-11; 1995-21; 1996-11
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