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File Created: 13-Nov-86 by Larry Jones(LDJ)
Last Edit:  23-Jul-89 by Laura L. Duffett(LLD)

Summary Help Help

NMI 103I9 Ag7
Name ZONA MAY, TOM, WHITE BEAR Mining Division Omineca
BCGS Map 103I070
Status Prospect NTS Map 103I09E
Latitude 54º 38' 49" N UTM 09 (NAD 83)
Longitude 128º 09' 46" W Northing 6055827
Easting 554024
Commodities Silver, Gold, Lead, Zinc, Copper, Tungsten Deposit Types L01 : Subvolcanic Cu-Ag-Au (As-Sb)
I02 : Intrusion-related Au pyrrhotite veins
Tectonic Belt Intermontane Terrane Stikine, Plutonic Rocks
Capsule Geology

Andesite and rhyolite of the Jurassic age Hazelton Group are intruded by diorite and quartz diorite of the Coast Plutonic Complex. These rocks are intruded by dykes and irregular bodies of quartz monzonite, felsite and quartz feldspar porphyry.

A 700 metre long discontinuous quartz vein occurs along the northern contact of a 3 to 15 metre wide felsite dyke, which cuts across the contact between the diorite and volcanics. The vein strikes 110 degrees to 132 degrees and dips 70 to 90 degrees south. It is 0.2 to 3 metres wide and contains disseminations, streaks and lenses of galena, pyrite, chalcopyrite, sphalerite and tetrahedrite. A 15 metre wide alteration envelope, containing quartz, sericite, carbonate and serpentinite, occurs along the margin of the quartz vein. Locally the quartz contains scheelite.

A sample of a sulphide-rich lens, 8 metres long and 5 to 20 centimetres wide, assayed 3977 grams per tonne silver, 3.77 grams per tonne gold, 1.1 per cent lead, 0.97 per cent zinc and 0.9 per cent copper (Assessment Report 10125). A gold rich zone, with up to 24 grams per tonne gold, occurs over a distance of 50 metres and a width of 0.4 to 0.7 metres.

Bibliography
EMPR AR 1925-129; 1926-125; 1927-126; *1928-147,148
EMPR ASS RPT *9181, *10125, *15006
EMPR BULL 10(Rev), p. 59
EMPR EXPL 1986-C427
EMPR MAP 69-1; 8
EMPR OF 1991-17
EMR MP CORPFILE (Carl Creek Resources Ltd.)
GSC EC GEOL No. 17, p. 45
GSC MAP 11-1956; 278A; 1136A; 1385A
GSC MEM *212, pp. 23,24; 329, p. 94
GSC P 36-20, pp. 32,33; 36-17
GSC SUM RPT 1925A, p. 112
N MINER Jun.25, 1942, p. 26

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