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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  04-Jun-2013 by Karl A. Flower (KAF)

Summary Help Help

NMI 092C16 Mn5
Name MEADE, MEADE CREEK, STRIKER, ANOMALY, COW 1-4 Mining Division Victoria
BCGS Map 092C090
Status Showing NTS Map 092C16E
Latitude 048º 51' 57'' UTM 10 (NAD 83)
Longitude 124º 03' 02'' Northing 5413073
Easting 422954
Commodities Rhodonite, Manganese, Gemstones, Copper Deposit Types Q02 : Rhodonite
Tectonic Belt Insular Terrane Wrangell
Capsule Geology

The Meade Creek showing is located 1.5 kilometres east of Meade Creek, approximately 5 kilometres north of the community of Lake Cowichan and 65 kilometres northwest of Victoria.

The area is underlain by Upper Devonian McLaughlin Ridge Formation (Sicker Group) volcanics and Mississippian to Pennsylvanian Fourth Lake Formation (Buttle Lake Group) sediments intruded by sills, dykes and granitic rocks of the Early to Middle Jurassic Plutonic Suite. The area is highly faulted and major folds are present. The rocks have undergone greenschist facies metamorphism.

The showings are underlain by a basalt, andesite, cherty tuffs, cherty argillites and andesite tuffs. Diorite dykes and plugs are exposed on the property.

The Meade Creek occurrence consists of lenses containing rhodonite and manganiferous garnet in red and white cherty tuffs of the Lower Mississippian Shaw Creek Member (dated by conodonts, Personal Communication - Nick Massey, 1991). Lenses are up to 1 metre wide and appear to be more or less continuous along strike between 2 open- cuts about 61 metres apart. The lenses are thinly coated with oxides.

This showing has been known since 1939. In the mid- 1980’s, BHP-Utah Mines completed programs of geochemical sampling, geological mapping and ground and airborne geophysical surveys on the area as the Striker property. A fault structure on the lower north slopes of Hill 60 was identified and yielded values of 0.22 percent copper, 3.8 grams per tonne silver and 0.024 grams per tonne gold (rock chip sample # 86STRAT-70). The rock has been silicified, clay and limonite altered and contains malachite. Other samples from this structure assayed much lower. Trace amounts of chalcopyrite, sphalerite and galena were noted in the area. Argillites and cherty argillites in the Hill 60 area contain 15 to 20 per cent pyrite and pyrrhotite. Samples from a shear assayed low values in molybdenum, lead, zinc, arsenic and gold.

From 1986 through 1989, Int. Cherokee Dev. explored the area as apart of the northeast corner of the Cow 1-4 claims. Programs of rock and silt geochemical sampling, prospecting, geological mapping and ground geophysical surveys were completed.

Bibliography
EMPR ASS RPT 13962, 14302, 14891, 15117, 16122, *16210, 18097, 18640, 18871
EMPR BULL *37 p. 68
EMPR FIELDWORK 1978, pp. 38-40; 1986, pp. 223-229; 1987, pp. 81-91; 19
pp. 503-510
EMPR MP MAP 1992-2
EMPR OF 1987-2; RGS 24, 1990
EMPR PF (In General File: B.C. Forest Products Road Map, Cowichan
Lake Area, 1963; In Commodity File - Sargent, H. (1956): Manganese
occurrences in B.C. and Leaming, S.F. (1966): Rhodonite in B.C. in
The Canadian Rockhound and Danner, W. R. (1976): Gem Materials of
B.C.; Sketches, date and author unknown)
GSC MAP 1386A
GSC MEM 13
GSC OF 463; 821; 1272
GSC P 72-44; 72-53; 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
Cowley, P. (1979): Correlation of Rhodonite Deposits on Vancouver
Island and Saltspring Island, British Columbia, Unpublished B.Sc.
Thesis, University of British Columbia
Sargent, H. (1939): Manganese Deposits of Cowichan Lake

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