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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  29-Jul-1992 by Fil Ferri (FF)

Summary Help Help

NMI 093N9 Mo1
Name BLACKJACK EAST Mining Division Omineca
BCGS Map 093N058
Status Showing NTS Map 093N09W
Latitude 055º 34' 46'' UTM 10 (NAD 83)
Longitude 124º 28' 34'' Northing 6160263
Easting 406945
Commodities Molybdenum, Copper Deposit Types L05 : Porphyry Mo (Low F- type)
Tectonic Belt Intermontane Terrane Quesnel
Capsule Geology

The Blackjack Central trenches are found near the headwaters of the Manson River, 8 kilometres northeast of Mount Gillis. The access is by cat trail up Manson River which connects with a road to Takla Landing at Slate Creek (Assessment Report 1161).

Molybdenite is found in veinlets as disseminated in massive quartz veins within granodiorite, quartz monzonite and possibly, aplite of the Cretaceous Germansen batholith. This showing is located at the contact of an outlier of hornfelsed Upper Triassic Plughat Mountain Formation rocks (Takla Group). Lesser molybdenite-bearing quartz veins are found within these hornfelsed rocks. Associated with some of the molybdenite showings are pyrite, pyrrhotite and chalcopyrite.

Bibliography
EMPR ASS RPT 1161, 2185, 2689, 13752
EMPR AR 1965, pp. 106-108
EMPR BULL 70; *91
EMPR FIELDWORK *1987, pp. 169-180; 1991, pp. 119-126
EMPR OF 1988-12
GSC MEM 252
GSC MAP 876A; 971A; 1424A; 5249G
GSC P 41-5; 42-2; 45-9; 75-33

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