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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  09-Jun-2022 by Karl A. Flower (KAF)

Summary Help Help

NMI 092L7 Fe5
Name WOLF, STOREY, JAFI, STOREY CREEK CANYON Mining Division Nanaimo
BCGS Map 092L036
Status Showing NTS Map 092L07W
Latitude 050º 22' 09'' UTM 09 (NAD 83)
Longitude 126º 53' 31'' Northing 5581802
Easting 649912
Commodities Magnetite, Iron, Zinc Deposit Types
Tectonic Belt Insular Terrane Wrangell
Capsule Geology

The Wolf occurrence is located south of Storey Creek, approximately 3.3 kilometres east-northeast of the creek mouth on Nimpkish Lake.

The area is underlain by north striking carbonates and calcareous sediments of the Quatsino and Parson Bay formations overlie Karmutsen Formation tholeiitic basalts, all of the Upper Triassic Vancouver Group. Lower Jurassic Bonanza Group andesitic to rhyodacitic lava, tuff, breccia and minor sediments are coeval with, or genetically related to, granodiorite of the Nimpkish batholith of the Jurassic Island Plutonic Suite. Strong regional north to northwest trending faults, often defining intrusive and lithological contacts, traverse the area.

Locally, massive lenses of magnetite, up to 1.5 by 7 metres, occur along a Quatsino limestone-Karmutsen greenstone contact, 450 metres from the granodiorite intrusion. Felsic dikes are common. Mineralization appears to have been localized by 85- and 330-degree faults on an anticlinal axis.

A few hundred metres upstream from the Wolf magnetite deposit, the Storey Creek canyon hosts numerous garnetite skarns, sulphide gash-veins, sulphide mantos, and sulphide replacements in white recrystallized limestone exposed for more than 500 metres along the creek and the adjoining side hills. The mineralized zone is open in all directions. Karmutsen volcanics underlie the limestone at shallow depth and usually show 10 metres or more of yellowish-green garnet skarn on the contact. Light honey-yellow to dark red-brown sphalerite, coarse pyrite, pyrrhotite, chalcopyrite, magnetite, hematite, greenockite, manganese, and red jasperoid were deposited in the overlying limestone, sometimes proximal to felsic intrusive dikes and often as distal masses. Often the deposits appear to parallel bedding and formational contacts.

In 1995, rock chip samples in the Storey Creek canyon area yielded values up to 46.8 per cent zinc over 1 metre (Assessment Report 24207).

Work History

In 1961, BHP-Utah Mines completed a program of geological mapping and a ground magnetometer survey on the area as the Martha and Storey claims. In 1969 and 1970, Archeron Mines, completed programs of geological mapping and silt and soil sampling. During 1989 through 2006, J.W. Laird completed programs of rock sampling and geological mapping on the area as the Nimpkish and CBL 1-10 claims. In 2019, Ridgeline Exploration Services completed a 454.3 line-kilometre airborne magnetic survey on the area as the Nimpkish (Wolf) property.

Bibliography
EMPR AR 1929-382
EMPR ASS RPT *417, 3009, 3401, *20092, *24207, 24698, 25237, 25718, 27256, 28274, 38911
EMPR PF (Regional Geologist's notes, 1994; Prospectors Report 1994-54 by James Laird; Photos, 1994)
GSC ANN RPT 1886
GSC BULL 172; 242
GSC MAP 4-1974; 255A; 1029A; 1552A
GSC MEM 272
GSC OF 9; 170; 463
GSC P 38-2; 38-3; 71-36; 72-44; *74-8
GSC SUM RPT 1929A; 1931A
CJES 18, p. 1; 20, p. 1, 1983
Alsen, J.B., (1975): A Magnetite Skarn Deposit near Bonanza Lake, unpubl. B.Sc. Thesis, University of British Columbia
Carson, D.J.T., (1968): Metallogenic Study of Vancouver Island with emphasis on the Relationship of Plutonic Rocks to Mineral Deposits, Ph.D. Thesis, Carleton University, Ottawa
Sangster, D.F., (1964): The Contact Metasomatic Magnetite Deposits of Southwestern British Columbia, Ph.D. Thesis, University of British Columbia
Koffyberg, A. (2020-03-04): Technical Report on the Nimpkish Property, Nanaimo Mining Division, British Columbia, Canada
Koffyberg, A. (2020-04-27): Technical Report on the Nimpkish Property, Nanaimo Mining Division, British Columbia, Canada

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