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File Created: 23-Nov-2018 by Karl A. Flower (KAF)
Last Edit:  24-Jun-2020 by Karl A. Flower (KAF)

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NMI
Name TW - NORTH WEST, TW 1, HOPE, SKUMAKUM Mining Division Lillooet
BCGS Map 092J065, 092J066
Status Showing NTS Map 092J10W, 092J11E
Latitude 050º 36' 44'' UTM 10 (NAD 83)
Longitude 123º 00' 00'' Northing 5606704
Easting 500000
Commodities Copper Deposit Types K01 : Cu skarn
Tectonic Belt Coast Crystalline Terrane Cadwallader
Capsule Geology

The TW (North West) occurrence is located on the eastern side of a ridge at an elevation of approximately 2000 metres, 2 kilometres northeast of Railroad Pass.

Regionally, the area lies on the east flank of the Coast Plutonic Complex. Several large roof pendants of fine clastic sediments and volcanic rocks of the upper Triassic Cadwallader Group and lower to middle Jurassic Ladner Group are encompassed and intruded by large granitic intrusions. These are intruded by feldspar porphyry dikes.

Locally, a quartz-sericite schists hosts copper mineralization. The mineralization is not described but might be similar to that of the nearby Hope (MINFILE 092JNE169) occurrence, which consists of disseminated to semi-massive pyrite-sphalerite and skarn hosted magnetite-chalcopyrite zones.

Three grab samples are reported to have assayed from 0.69 to 4 per cent copper (Property File - W. Grunewald [2002-01-01]: KEG press release - Hope Creek property).

The area has been explored since the 1990’s, following the discovery of the Hope (MINFILE 092JNE169) occurrence to the southeast. In the 1990’s, Teck completed programs of geological mapping, geochemical sampling and airborne geophysical surveys on the area. The area was explored in 1997 by T. Illidge and sampled and surveyed by W. Gruenwald in 1998. In 2003, the area was staked as the Gold King property by J.T. Shearer. During 2004 through 2006, Goldking Mining Ltd. (later Wolverine Minerals Corp.) completed programs of rock and soil sampling, geological mapping and an induced polarization survey on the area.

Bibliography
EMPR PF (W. Gruenwald [1998-09-04]: Geochemical and geological assessment report on the Hope property; *W. Grunewald [2002-01-01]: KEG press release - Hope Creek property)
EMPR PFD 884069, 884072
GSC MAP 13-1973
GSC OF 482
GSC P 73-17
Butler, S. (2007-03-05): Summary Report on the Gold King Property
Butler, S. (2008-01-11): Summary Report on the Gold King Property

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