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File Created: 25-Mar-2020 by Karl A. Flower (KAF)
Last Edit:  16-Jun-2021 by George Owsiacki (GO)

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NMI
Name NORTH DAM WEST, NEEDLE 1-2, KEMESS Mining Division Omineca
BCGS Map 094E007
Status Showing NTS Map 094E02E
Latitude 057º 01' 53'' UTM 09 (NAD 83)
Longitude 126º 40' 17'' Northing 6323283
Easting 641317
Commodities Gold Deposit Types I05 : Polymetallic veins Ag-Pb-Zn+/-Au
Tectonic Belt Intermontane Terrane Stikine
Capsule Geology

The North Dam West occurrence is located at an elevation of approximately 1820 metres on a south-facing slope, north of East Kemess Creek and 4.2 kilometres northeast of Kemess Lake, approximately 185 kilometres northwest of the community of Germansen Landing.

The Toodoggone Gold Camp lies within the eastern margin of the Intermontane Belt and is underlain by a northwest trending belt of Paleozoic to Paleogene sediments, volcanics and intrusions. Regionally, the area is situated within a Mesozoic volcanic arc assemblage bounded to the east by the Omineca Belt and to the west and southwest by the Sustut and Bowser basins. Devonian to Permian Asitka Group crystalline limestones are the oldest rocks exposed in the region and are commonly in thrust contact with Upper Triassic Stuhini Group marine sedimentary and volcanic rocks, andesite flows and pyroclastic rocks. These units have been intruded by granodiorite to quartz monzonite of the Early Jurassic Black Lake Suite and are in turn unconformably overlain by or faulted against dacitic volcanics and volcaniclastics of the Lower Jurassic Toodoggone Formation (Hazelton Group). Several members of the Toodoggone volcanics are present and include dacitic volcanics and high level quartz-phyric, felsitic intrusive rocks of the Adoogacho Member and volcaniclastics of the Attycelley Member.

The dominant structures in the area are steeply dipping faults that define a prominent regional northwest structural fabric trending 140 to 170 degrees. High angle, northeast-striking faults (approximately 060 degrees) appear to truncate and displace the northwest-striking faults. Collectively these faults form a boundary for variably rotated and tilted blocks underlain by monoclinal strata.

Locally, a quartz vein with gold values is hosted by dacitic tuffs. In 2008, a rock sample (115165) assayed 1.07 grams per tonne gold (Assessment Report 30823).

The area has been historically explored in conjunction with the nearby Kemess South past-producing mine (094E 094). In 1988, Canadian Venture Corp. completed an 80.0 line kilometre airborne magnetic and electromagnetic survey on the area as the Needle 1-2 claims.

In 1991, El Condor Resources Ltd. completed a program of geological mapping and geochemical sampling on the area as a part of the Kemess property.

In 2008, Northgate Minerals Corp. completed a program of rock sampling, geological mapping and a 22.6 line kilometre ground induced polarization survey on the area as apart of the Kemess property.

Bibliography
EMPR ASS RPT 17602, 22280, *30823
EMPR BULL 86
EMPR EXPL 1975-E163-E167; 1976-E175-E177; 1977-E216-E217; 1978-E244-E246; 1979-265-267; 1980-421-436; 1982-330-345; 1983-475-488; 1984-348-357; 1985-C349-C362; 1986-C388-C414; 1987-C328-C346; 1988-C185-C194
EMPR FIELDWORK 1980, pp. 124-129; 1983, pp. 122-129, 135-141; 1982, pp. 125-127; 1983, pp. 137-138, 142-148; 1984, pp. 139-145, 291-293; 1985, pp. 167-169, 299; 1987, pp. 111, 114-115
EMPR GEM 1971-63-71; 1973-456-463
EMPR GEOLOGY 1977-1981, pp. 156-161
EMPR OF 2001-01
GSC BULL 270
GSC OF 306; 483
GSC P 80-1A, pp. 27-32

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