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File Created: 20-Apr-1990 by George Owsiacki (GO)
Last Edit:  30-Nov-2013 by Karl A. Flower (KAF)

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NMI
Name CENTRAL Mining Division Alberni
BCGS Map 092F034
Status Showing NTS Map 092F06W
Latitude 049º 20' 09'' UTM 10 (NAD 83)
Longitude 125º 19' 22'' Northing 5467385
Easting 331258
Commodities Gold, Copper, Lead Deposit Types
Tectonic Belt Insular Terrane Wrangell
Capsule Geology

The Central occurrence is located south of Great Central Lake, approximately 2.9 kilometres north west of Doran Lake and at an elevation of about 160 metres.

The area is underlain by massive basalt of the Upper Triassic Karmutsen Formation (Vancouver Group) intruded by Jurassic Island Plutonic Suite quartz diorite.

Trenches are developed on an east trending shear zone which dips 55 to 60 degrees south in quartz diorite. The shear hosts limonitic quartz veins mineralized with pyrite and minor amounts of chalcopyrite and galena with some azurite also evident. In 1987, rock samples from a former trench assayed up to 3.94 grams per tonne gold and 0.1 per cent copper (Assessment Report 16046). In 1988, select grab samples from a trench assayed up to 1.78 grams per tonne gold and 0.95 per cent copper (Assessment Report 18591).

In 1984, mineralized float was discovered in local creek beds and later in the same year Royalon Petroleum completed a limited exploration program, including the blasting of three trenches. In 1986 and 1987, Murjoh Resources completed programs of geological mapping and rock sampling on the Central 1-2 claims. In 1988, Trove Resources completed a program of rock sampling and prospecting.

Bibliography
EMPR ASS RPT *16046, *18591
EMPR FIELDWORK 1987, pp. 81-91; 1988, pp. 61-74
GSC MAP 17-1968; 1386A
GSC OF 463
GSC P 68-50

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