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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  08-Jul-2020 by Nicole Barlow (NB)

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NMI 082L10 Zn1
Name DAKOTA, ELK 3, MIDNIGHT 2, FX 5, FC 2-3, COLBY, FX 6 Mining Division Vernon
BCGS Map 082L077
Status Prospect NTS Map 082L10E, 082L10W
Latitude 050º 43' 18'' UTM 11 (NAD 83)
Longitude 118º 45' 16'' Northing 5620342
Easting 376160
Commodities Lead, Zinc, Silver Deposit Types E14 : Sedimentary exhalative Zn-Pb-Ag
Tectonic Belt Omineca Terrane Kootenay
Capsule Geology

The Dakota occurrence is located on a ridge separating Kingfisher and Danforth creeks, approximately 4 kilometres west of Stony Lake.

The area lies within the Precambrian-Paleozoic(?) Shuswap Metamorphic Complex, a belt of high- grade metamorphic rocks. Rocks on the property comprise a heterogeneous package of granitoid gneiss, augen gneiss, sillimanite-bearing schist and prominent marble and quartzite layers. See Kingfisher (MINFILE 082LNE007) for a detailed regional geology description.

Mineralization in the Dakota zone is hosted in calcareous quartzite. The quartzite is intermittently exposed over a length of approximately 400 metres and contains spotty sphalerite and galena along its contacts with calc-silicate gneiss and marble. The mineralized sections are generally of low grade and are narrow, with a maximum width of 1 to 2 metres.

In 1974, a select grab sample from the FC 3 zone assayed 0.92 per cent lead, 10.20 per cent zinc and 3.4 grams per tonne silver (Assessment Report 4934).

In 1964, Cominco completed a program of geological mapping and a 50.3 line-kilometre ground magnetic survey on the area as the Bright Star and Kingfisher claims. In 1969, Bright Star Trio Mining completed a program of geological mapping and a 25.7 line-kilometre ground magnetic survey on the area. In 1965, Dakota Silver Mines completed a program of trenching and two diamond drill holes. During 1973 through 1976, Colby Mines completed programs of geological mapping, rock sampling and ground magnetic and electromagnetic surveys on the area as the Black Jack property. In 2012, Inexco Mining completed a program of prospecting, rock sampling and a 205.3 line-kilometre airborne electromagnetic survey on the area.

Bibliography
EMPR ASS RPT 578, 579, 2169, *4934, 4945, 6214, 33197
EMPR FIELDWORK 1975, pp. 11-18
EMPR GEOL *1975-G18-G30
EMPR OF 2000-22
EMPR PF (see Kingfisher, 082LNE007)
GSC MAP 1059A
GSC MEM 296
GSC OF 481; 637
EMPR PFD 4389, 680243, 680244
Ostler, J. (2014-06-27): Broken Hill-Type Sulphide Mineralization on the Colby Mines Property.

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