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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  27-Sep-1992 by David M. Melville (DMM)

Summary Help Help

NMI
Name PACQ Mining Division Omineca
BCGS Map 093N076
Status Showing NTS Map 093N10W
Latitude 055º 42' 26'' UTM 10 (NAD 83)
Longitude 124º 54' 09'' Northing 6175135
Easting 380458
Commodities Copper, Silver, Zinc, Gold Deposit Types
Tectonic Belt Intermontane Terrane Quesnel
Capsule Geology

The Pacq occurrence is located north of Germansen Lake, approximately 3.5 kilometres northeast from the bridge at the Germansen Narrows (Assessment Report 21803).

This occurrence is hosted in the Plughat Mountain Formation, part of the Middle Triassic to Lower Jurassic Takla Group. The Plughat Mountain Formation is a thick sequence of augite-bearing, mafic to intermediate(?), calcalkaline to alkaline pyroclastic rocks, massive flows and lesser epiclastic rocks. In this area, the Plughat Mountain Formation is the upper volcanic sequence of the Takla Group. The lower, sediment-dominated sequence of rocks, are part of the Middle-Upper Triassic Slate Creek Formation (Takla Group). To the northeast, the Takla Group is in fault contact (the Manson fault zone) with the Pennsylvanian to Permian Nina Creek Group. To the south, the Takla Group has been intruded by the Cretaceous Germansen batholith, a multiphase granitic to granodiorite intrusion.

Mineralization consists of disseminated pyrite and chalcopyrite occurring within anastomosing quartz-sulphide veinlets hosted by carbonate-altered basaltic rocks of the Plughat Mountain Formation. The alteration zone is approximately 50 metres wide. A grab sample analysed 18.8 grams per tonne silver, 0.0482 per cent copper, 0.1578 per cent zinc, 0.0694 per cent lead and 0.760 gram per tonne gold (Assessment Report 21803).

Bibliography
EMPR GEM 1972-451
EMPR ASS RPT *21803
EMPR OF 1989-12
EMPR FIELDWORK 1988, pp. 209-220
EMPR BULL *91
GSC MEM 251
GSC MAP 876A; 907A; 971A; 1424A; 5249G
GSC P 41-5; 42-2; 45-9; 75-33
EMPR PFD 16318

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