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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  04-Aug-2020 by Karl A. Flower (KAF)

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NMI 082F14 Ag3
Name WAKEFIELD (L.1527), OTTAWA NO. 3, THE BEN, CASABAZNA, KELSO, CHAMBLET, BRANDON Mining Division Slocan
BCGS Map 082F094
Status Past Producer NTS Map 082F14W
Latitude 049º 57' 12'' UTM 11 (NAD 83)
Longitude 117º 16' 51'' Northing 5533480
Easting 479854
Commodities Silver, Lead, Zinc, Copper Deposit Types I05 : Polymetallic veins Ag-Pb-Zn+/-Au
Tectonic Belt Omineca Terrane Quesnel
Capsule Geology

The Wakefield property is situated on Wakefield Creek, southwest of Selkirk Peak at 1783 metres elevation above sea level in the Slocan Mining Division. The underground workings are on the Wakefield Crown grant (Lot 1527).

The Wakefield group was developed originally by Wakefield Mines Limited who began mining operations on the property in 1897, and in 1900 completed a 100-ton mill on Silverton Creek. An aerial train line connected mine and mill. This company suspended operations in 1902 and for five years thereafter the property was worked under lease by various interests. Further work was done in 1915 and in 1918 an option on the claims was taken by Clarence Cunningham, and later by the Victoria Syndicate. In 1912 the mill burned down and was rebuilt by the owners of the Hewitt mine. In 1929 the Wakefield property was leased to A. Jarvis, who is reported to have shipped several tonnes of ore.

Workings at Wakefield mine comprise 7 adits over a vertical range of about 61 metres. The longest adit, No. 2, is 259 metres long, and most of the ore mined came from this adit and the No. 1 adit, both of which are now inaccessible. This group was owned in 1952 by Kelowna Exploration Company Limited.

Regionally, the area lies on the western margin of the Kootenay Arc, in allochthonous rocks of the Quesnel Terrane. In the vicinity of the occurrence, the Quesnel Terrane is dominated by very fine grained clastic sedimentary rocks of the Upper Triassic Slocan Group that include locally weakly metamorphosed argillite, quartzite, limestone and some tuffaceous rocks. These sedimentary rocks are intruded by dikes, sills and stocks of varied composition and origin. Middle Jurassic Nelson intrusions are immediately south of the Slocan Group and are inferred to be the source of granitic sills and dikes found in the area. The Nelson intrusions comprise at least six texturally and compositionally distinct phases ranging from diorite to lamprophyre. The most dominant phase is a medium to coarse grained potassium feldspar porphyritic granite (Paper 1989-5).

On the Wakefield property the Slocan Group comprises carbonaceous argillite, quartzite and limestone. The strata are folded, faulted and cut by granitic dikes. On the property the sedimentary rocks generally strike 040 degrees and dip 15 degrees southeast. The occurrence consists of a fissure vein that is subparallel to bedding. The vein has been developed in at least seven adits covering a vertical range of about 60 metres and 300 metres along the dip slope. In the mine the vein averaged 1.8 metres but did swell up to 6 metres in places. It consisted of bands and lenses of coarse calcite and quartz mixed with gouge and wallrock. Galena, sphalerite and tetrahedrite formed bands, lenses and disseminations within the calcite. The largest lens extended for about 35 metres along strike and 12 metres updip.

The vein is crudely zoned with galena being more concentrated on the margins and sphalerite occupying the central portion of the vein. The proportion of sphalerite to galena also increases with depth. The vein is brecciated and banded and may have resulted from multiple injections of ore and gangue minerals (Geological Survey of Canada Memoir 184).

Production from the Wakefield between 1899 and 1929 yielded about 6 tonnes of silver, 1111 tonnes of lead and 5 tonnes of zinc from 8943 tonnes mined.

Bibliography
EMPR AR 1896-68; 1897-534,574; 1899-599,687,842; *1900-828,981;
1902-149; 1903-137,242; *1904-175; 1905-25,160; 1906-249;
1907-99,214; 1911-151; 1912-149; 1915-122,129,445; 1918-166,169;
1919-126; 1923-228; 1927-270; 1929-285,315; 1946-161; 1947-170;
1961-77
EMPR BC METAL MM01455
EMPR BULL *29, pp. 48,53,71,72,89,120
EMPR INDEX 3-218
EMPR P 1989-5
EMPR PF (See 082FNW - General: Geological plans of the Silverton area,
B.C. Department of Mines, 1966; Geological compilation and
structural map of the Sandon area, Kelowna Exploration); Starr,
C.C. (1937): Report on Geology, in 082FNW180)
GSC MAP 273A; 1091A; 1667
GSC MEM 173, pp. 15,95; *184, pp. 157-159; 308, pp. 119,127
CANMET IR 12 (1906), pp. 215-219
Höy, T. (2016-06-28): Technical Report – The Slocan Silver Camp
EMPR PFD 751754, 801190, 674464

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