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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  21-Jan-1991 by Shielagh N. Banfield (SNB)

Summary Help Help

NMI
Name FITINAT, FIT 2-3, MARG Mining Division Victoria
BCGS Map 092C077
Status Showing NTS Map 092C15E
Latitude 048º 46' 43'' UTM 10 (NAD 83)
Longitude 124º 44' 30'' Northing 5404308
Easting 372049
Commodities Molybdenum, Copper Deposit Types L04 : Porphyry Cu +/- Mo +/- Au
Tectonic Belt Insular Terrane Wrangell
Capsule Geology

The Fitinat claim is located on the west shore of Nitinat Lake, 7 kilometres southwest of the mouth of the Nitinat River. From 1979 to 1984 a program comprising soil and rock sampling, and geophysical surveys outlined molybdenum and copper zones. In 1985, 2 holes were drilled but abandoned short of target.

The area is underlain by Lower Jurassic Bonanza Group felsic to andesitic tuffs, intruded by Early to Middle Jurassic Island Plutonic Suite rocks comprising fine grained diorite and quartz monzonite dykes and plugs.

Mineralization consists of minor disseminated molybdenite, chalcopyrite and pyrite in quartz vein stockworks hosted mainly by quartz monzonite dykes and plugs. Two possible ages of quartz veining occurs, the mineralization ia associated with the earlier grey quartz veins. Molybdenite occurs along vein selvages.

Epidotization on fractures and intense silicification occurs in nearby tuffs. Tuffs dip gently to the north and northwest and are interbedded with feldspar porphyry rhyodacite.

A sample of drill core assayed 0.05 per cent copper and up to 0.03 per cent molybdenum (Assessment Report 14432).

Bibliography
EMPR ASS RPT 8288, 11889, *12814, *14432
EMPR FIELDWORK 1977, p. 23; 1989, pp. 503-510
EMPR GEM 1972-258
EMPR OF 1988-24; RGS 24, 1990
EMPR PF (In 092C General File - Aeromagnetic Contour Map, Nitinat Lake Area, Noranda Mines Ltd., date unknown)
GSC BULL 172
GSC EC GEOL No. 3, Vol. 1
GSC MAP 1386A
GSC MEM 13
GSC OF 463; 821; 1272
GSC P 72-44; 76-1A; 79-30
Carson, D.J.T. (1968): Metallogenic study of Vancouver Island with emphasis on the relationships of mineral deposits to plutonic rocks, Ph.D. Thesis, Carleton University

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