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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  11-Aug-2020 by Karl A. Flower (KAF)

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NMI 104B1 Ag3
BCGS Map 104B010
Status Showing NTS Map 104B01E
Latitude 056º 02' 07'' UTM 09 (NAD 83)
Longitude 130º 01' 21'' Northing 6210477
Easting 436288
Commodities Silver, Lead Deposit Types H05 : Epithermal Au-Ag: low sulphidation
I05 : Polymetallic veins Ag-Pb-Zn+/-Au
Tectonic Belt Insular Terrane Stikine
Capsule Geology

The International adit is located on the northeast side of Cabin Creek, east of the Canada-Alaska boundary on the Grub Crown Grant (Lot 3924). The 28.0 metre adit was driven in 1919, but failed to intersect predicted mineralization 46.0 metres below surface.

Located in the Intermontane Belt, the area, bounded on the west by the Coast Crystalline Complex and on the east by the Bowser Basin, is part of the Stikinia Terrane.

The showing is hosted by the Upper Triassic to Lower Jurassic Hazelton Group, Unuk River Formation metavolcanics. The Hazelton Group is a northwest trending, steeply east dipping belt of folded andesitic lapilli tuffs, flows and breccia containing a thick se- quence of argillite and siltstone infolded along a synclinal axis. The sequence is intruded by the Early Jurassic Texas Creek plutonic suite of dacitic porphyry dykes and the Eocene granitic Hyder in- trusives.

Mineralization near the adit occurs along the contact between a feldspar porphyry dyke and tuff within a silicified zone. This zone is between 2.4 and 3.0 metres wide, striking 20 degrees northeast with a dip of 63 degrees west. Mineralization consists of stringers of pyrite and galena, and argentite. Within the zone small veins of pure quartz, with different orientations, are reported to carry the highest values. The mineralogy of the vein is reported to be similar to the "Bush" vein (104A 094) which assayed 519 grams per tonne silver in the 1930's.

EMPR AR *1918-80; *1919-73,74; 1920-67; 1922-80,81
EMPR ASS RPT 9724, *12236
EMPR BULL 58; 63
EMPR FIELDWORK 1983, pp. 149-165; 1984, pp. 316-342; 1985, pp. 217-219
EMPR OF 1987-22
GSC MEM 132, p. 58; 175, p. 159
GSC MAP 9-1957; 307A; 315A; 1418A; 1829
GSC MEM 132, p. 58; 175, p. 159
GSC P 89-1E, pp. 145-154
Brown, D.A., (1987): Geological Setting of the Volcanic-Hosted Silbak
Premier Mine, Northwestern British Columbia, M.Sc. Thesis,
University of British Columbia (in Property File: 104B 054)
Christopher, P.A. (2009-08-03): Technical Report on the Premier Gold Project
Kirkham, G. (2012-06-18): Technical Report on the Resource Estimate for the Premier Gold Property
Kirkham, G. (2012-08-20): Revised Technical Report on the Resource Estimate for the Premier Gold Property
Puritch, E. (2013-03-27): Technical Report and Resource Estimate for the Big Missouri and Martha Ellen Deposits, Premier Gold Property
Rennie, D.W. (2018-06-22): Technical Report on the Premier-Dilworth Project
Rennie, D.W. (2019-01-17): Technical Report on the Premier Project