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File Created: 17-Mar-1992 by William H. Halleran (WHH)
Last Edit:  15-May-2023 by Karl A. Flower (KAF)

Summary Help Help

NMI
Name RIC-7 Mining Division Liard
BCGS Map 094G051
Status Showing NTS Map 094G12W
Latitude 057º 33' 33'' UTM 10 (NAD 83)
Longitude 123º 54' 11'' Northing 6379992
Easting 445968
Commodities Zinc, Lead Deposit Types E12 : Mississippi Valley-type Pb-Zn
Tectonic Belt Foreland Terrane Ancestral North America
Capsule Geology

The Ric-7 occurrence is one of a number of zinc-lead showings located in Richards Creek valley.

Regionally, the valley is underlain by a conformable sequence of Lower to Middle Devonian Stone Formation dolomite, Middle Devonian Dunedin Formation micritic limestone and Devonian to Carboniferous Besa River Formation shale. This sequence is overthrust by a panel of Stone Formation and Dunedin Formation strata, which is in turn overthrust by a sequence of Cambrian to Ordovician Kechika Group, Ordovician Skoki Formation and Silurian Nonda Formation rock.

The occurrence, exposed over a 70 by 35 metre area, occurs in the Stone Formation thrust panel near the stratigraphic contact with the overlying Dunedin Formation. Seven zones of pyrite, marcasite, sphalerite and galena occur as irregular massive pods and veinlets along fractures. The veinlets occasionally coalesce into an irregular network of veins. White sparry calcite and quartz-filled cavities are associated with the mineralization.

Work History

In 1972 and 1973, Cominco Ltd. completed programs of geological mapping, geochemical sampling and at least 16 diamond drill holes, totalling 952.2 metres, on the area as the Ric claims. No assays were reported. In 2008, Douglas Herriott prospected and sampled the area as the Red Cat property. No assays were reported.

Bibliography
EMPR ASS RPT *4299, 30758
EMPR GEM 1972-489; *1973-471
EMPR PF *(Cominco Ltd., drill logs of the Ric Group, 1972-73 (see Ric - 094G 010); Cominco Ltd., Map of Geology Surface Plan, Mineral Showings and Drill Hole Locations of the Ric Group, 1972-73 (see Ric - 094G 010))
EMPR P 1991-4, pp. 71-88
GSC MEM 373
GSC BULL No. 186, 1970
GSC OF 606
EMPR PFD 7959, 675819

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