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File Created: 28-Nov-2013 by Karl A. Flower (KAF)
Last Edit:  04-Dec-2013 by Karl A. Flower (KAF)

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NMI
Name FOSSICKER, GOLDRIM 3, WESTRIM 3 Mining Division Alberni
BCGS Map 092F013
Status Showing NTS Map 092F03W
Latitude 049º 08' 42'' UTM 10 (NAD 83)
Longitude 125º 26' 50'' Northing 5446459
Easting 321532
Commodities Gold Deposit Types I06 : Cu+/-Ag quartz veins
Tectonic Belt Insular Terrane Wrangell
Capsule Geology

The Fossicker occurrence is located on the south side of the west fork of Goldrim Creek, approximately 650 metres southwest of Laurel Lake.

The area is underlain by Karmutsen Formation basalts, Quatsino Formation limestone and Parson Bay Formation calcareous siltstone, all of the Upper Triassic Vancouver Group. These in turn are overlain by Lower Jurassic Bonanza Group flows, tuffs and breccias ranging from basalt to rhyodacite in composition. Quartz diorite to quartz monzonite of the Early to Middle Eocene Tofino Intrusive Suite (previously Catface Intrusions) and quartz diorite and granodiorite of the Early to Middle Jurassic Island Intrusions also disrupt area strata.. Northeast- striking, steeply dipping joints are widespread and are frequently dilated and in-filled with auriferous quartz veinlets.

The Fossicker vein is partially exposed in a cut on and has been stripped over a length of about 6 metres. It is hosted in a strong shear zone that is 0.5 to 1.5 metres wide and mineralized across a width of greater than 0.40 metre. The vein consists of quartz, sheared rock, rusty gouge and pyrite (less than 2 per cent to up to 5 per cent in localized areas). Black (manganese?) stains coated quartz slivers. The vein strikes 225 degrees and dips 52 degrees to the southeast.

In 1992, a grab sample (QV L1) from near the top of the exposure, consisting of quartz with a partial open "comb-texture" of crystals and considerable pyrite, assayed 13.9 grams per tonne gold. A sample (FL 1) taken across 0.40 metre in the road ditch at the lower end of the exposure, consisting of well-mineralized quartz with pyrite, rusty gouge and sheared rock, assayed 9.9 grams per tonne gold and a similar sample (FL 2) across 0.30 metre, taken 2.5 metres higher, assayed 6.5 grams per tonne gold. A sample (FV1) of quartz vein taken near the top of the exposure, across a width of approximately 0.15 metres yielded 10.6 grams per tonne gold (Assessment Report 22625).

In 1994, samples 105 and 104 of vein material assayed 10.99 gram per tonne gold across 0.2 metre and 5.42 grams per tonne gold over 1.1 metre, respectively (Assessment Report 23901).

Another quartz vein, a few centimetres wide and located approximately 150 metres to the east, is exposed in a road cut. It consists of a coarse granular texture with rust stains but little, if any, visible sulphides. In 1992, a sample (QB M1) of the vein assayed 0.55 gram per tonne gold (Assessment Report 22625).

During 1992 through 1995, W. Guppy completed programs of prospecting, geochemical sampling and a ground electromagnetic survey on the area as the Goldrim claims and Westrim claims.

Bibliography
EMPR ASS RPT *22625, *23901, 23902
EMPR EXPL 1983-203
GSC MAP 17-1968
GSC OF 463
GSC P 68-50
EMPR PFD 672905

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