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File Created: 22-Jul-1997 by B. Neil Church (BNC)
Last Edit:  22-Jul-1997 by B. Neil Church (BNC)

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NMI 082F14 Ag39
Name DUMAC, MOUNT ROYAL, ROYALITE, AUSTIN, ROYAL Mining Division Slocan
BCGS Map 082F084
Status Past Producer NTS Map 082F14W
Latitude 049º 49' 33'' UTM 11 (NAD 83)
Longitude 117º 20' 13'' Northing 5519321
Easting 475765
Commodities Silver, Lead, Zinc Deposit Types I05 : Polymetallic veins Ag-Pb-Zn+/-Au
Tectonic Belt Omineca Terrane Plutonic Rocks
Capsule Geology

The Dumac property is on the east side of Bondholder Creek, a northeast flowing tributary of Enterprise Creek, 10 kilometres northeast of Slocan. It is northwest of the Enterprise (082FNW148) and Neepawa (082FNW147). Access from the Slocan highway is via the Enterprise Creek road.

The property was worked as the Royal in 1932 by R.F. Ainslie. A 2.3-metre chip sample across the vein assayed 384 grams per tonne silver, 2.8 per cent lead and 4 per cent zinc (Annual Report 1932, page 179).

In 1947, a mineralized zone was uncovered by ground-sluicing in and angling away from the bed of a small stream. The zone proved to be a strong shear, with considerable gouge, in Nelson granite. Sections of the zone are well mineralized with galena and sphalerite and some native silver. In 1948, Dumac Mines Ltd. produced of 5 tonnes or ore, yielding 6469 grams of silver, 296 kilograms of lead and 660 kilograms of zinc.

Development on this property comprises open cuts and adits. In 1952 a new adit was collared about 90 metres northeast of the open cuts. It was driven 12 metres southerly as a crosscut to the shear zone then turned southwest 30 metres as a drift on the shear, but no ore was encountered. In 1956, L. Gormley worked the property as the Austin claims and produced 31 tonnes, yielding 5723 grams of silver, 585 kilograms of lead and 1135 kilograms of zinc.

Bibliography
EMPR AR 1932-179; *1947-172; 1948-A38,147; *1952-180; 1956-A50, 97,98-99
EMPR BC METAL MM01117 (Austin); MM01171 (Dumac)
EMPR INDEX 3-194; 4-119
EMPR P 1989-5
EMPR PF (Starr, C.C. (1930): Notes on Mines on Springer and Ten-Mile Creeks, in 082FNW152)
GSC MAP 272A, 1090A, 1091A
GSC MEM 308, p. 148

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