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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  27-Jun-2013 by Nicole Barlow (NB)

Summary Help Help

NMI
Name ATHABASCA (L.1569), MANITOBA (L.1572), ALBERTA (L.1571), ALGOMA (L.1570) Mining Division Nelson
BCGS Map 082F044
Status Past Producer NTS Map 082F06W
Latitude 049º 27' 29'' UTM 11 (NAD 83)
Longitude 117º 18' 46'' Northing 5478425
Easting 477333
Commodities Gold, Silver, Lead, Zinc, Copper, Tungsten Deposit Types I01 : Au-quartz veins
I05 : Polymetallic veins Ag-Pb-Zn+/-Au
I12 : W veins
I02 : Intrusion-related Au pyrrhotite veins
Tectonic Belt Omineca Terrane Quesnel, Plutonic Rocks
Capsule Geology

The Athabasca vein is located on the slopes of Toad Mountain, 3 kilometres southwest of Nelson. The vein was initially discovered in 1896.

The area is underlain by schistose augite basalt flows and flow breccias of the Lower Jurassic Elise Formation (unit Je4; Rossland Group).These are in contact with a granodiorite stock of the Middle to Late Jurassic Nelson Intrusions and have been intruded by feldspar porphyry of the Jurassic Silver King Intrusions.

The Athabasca vein strikes at 045 degrees with a 30 to 50-degree northwest dip. The vein is hosted within granodiorite and tends to flatten as it traverses the schistose volcanics to the south. The vein comprises quartz gangue mineralized with pyrite, some galena, sphalerite and free gold. The gold occurs as 80 per cent free gold and 20 per cent associated with sphalerite. The vein is a few centimetres to approximately 1.5 metres wide and averages approximately 0.3 metres.

The workings were developed where the vein crosses the granodiorite-volcanic fault contact. Pervasive shearing and faulting have offset and displaced portions of the vein. Scheelite occurs near the lithologic contact.

An enrichment of metal values occurs within the schistose volcanics at the granodiorite contact. The flatter sections of the vein, in the schist, were productive but here the vein is highly faulted and folded, with dikes common on the planes of the normal faults.

A weighted average of 27 samples taken in 1988 showed 22.29 grams per tonne gold (Assessment Report 17184). Up to 18 144 tonnes of material grading 8.579 grams per tonne gold may exist at the old mill site (Assessment Report 17184).

In 2009, Hellix Ventures Inc. optioned the Athabasca property and completed rock sampling. Highlights include sample 8R257260, which assayed 213 grams per tonne gold, 128 grams per tonne silver and 2.85 per cent lead (Press Release, Hellix Ventures Inc., December 7, 2009).

In 2010, Hellix Ventures Inc. completed a ground magnetic survey over a total of 21 line-kilometres.

In 2011, Hellix Ventures Inc. completed soil geochemistry and surface and underground rock sampling. Highlights of the rock sampling include sample pgug02, which assayed 215.7 grams per tonne gold and 169 grams per tonne silver (Press Release, Hellix Ventures Inc., December 7, 2011).

In 2012, Hellix Ventures Inc. completed soil geochemistry.

Bibliography
EM OF 1999-3
EMPR AR 1896-87; 1897-531; 1898-1158,1188; 1899-597,815; 1900-832,
843; 1902-154; 1903-143; 1904-135; 1909-119; 1910-104,243; 1911-
158; 1913-130; 1914-326; 1916-203; 1917-194,448; 1918-197; 1920-
148; 1921-143; 1933-218; 1934-A36,E3,2; 1935-A27; 1937-A38,E27,
45; 1938-A35,E3,36; 1939-38; 1940-25,65; 1941-26,64; 1945-96;
1946-139
EMPR ASS RPT 11027, *17184, 32581
EMPR BC METAL MM00955
EMPR BULL *1, p. 95; 3, p. 27; 20, Part II, p. 11; 41; 109
EMPR FIELDWORK 1980, pp. 149-158; 1981, pp. 28-32, pp. 176-186; 1987,
pp. 19-30; 1988, pp. 33-43; 1989, pp. 247-249; 1990, pp. 291-300;
1999, p. 214
EMPR MAP 7685G; RGS 1977; 8480G
EMPR OF 1988-1; *1989-11; 1991-16; 1991-17, 1999-3
EMPR PF (Plan of Athabasca Mine, Loewenthal, W.G., 1934)
GSC MAP 52-13; 1090A; 1091A
GSC MEM *191, p. 65; 308, p. 155
GSC OF 1195
GSC P 49-22; 52-13
GSC SUM RPT *1911, p. 148
CIM TRANS, 1902, Vol. 5, pp. 15-20, (*Fell, E.N.: Notes on the
Athabasca Mine)
PR REL Sultan Minerals Inc., Mar.4, 2003; Hellix Ventures Inc., Dec. 7, 2009, Dec. 7, 2011
Andrew, K.P.E. and Hoy, T. (1990): Structural Models for Precious
Metal Deposits in Jurassic Arc Volcanic rocks of the Rossland
Group, southeastern B.C.; abstract with program, G.A.C. - M.A.C.
Annual Meeting, Vancouver, B.C., p. A3
Hoy, T. and Andrew, K.P.E. (1988): Geology, geochemistry and mineral
deposits of the Lower Jurassic Rossland Group, southeastern
British Columbia; abstract in Twelfth District 6 Meeting, Canadian
Institute of Mining and Metallurgy, Fernie, B.C., pp. 11-12
EMPR PFD 3239, 3240, 823033, 680116

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