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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  30-Jul-1997 by Keith J. Mountjoy (KJM)

Summary Help Help

NMI
Name LD, RYE, ARANY, EMILE, RYE 2, MAD Mining Division New Westminster
BCGS Map 092H031
Status Showing NTS Map 092H05W
Latitude 049º 19' 59'' UTM 10 (NAD 83)
Longitude 121º 50' 29'' Northing 5465127
Easting 584176
Commodities Silver, Gold, Zinc, Copper Deposit Types I05 : Polymetallic veins Ag-Pb-Zn+/-Au
Tectonic Belt Coast Crystalline Terrane Harrison
Capsule Geology

The LD showing is located on the west side of Harrison Lake, about 2.5 kilometres southeast of Weaver Lake and 6.0 kilometres northwest of Harrison Hot Springs.

The Hope-Harrison Lake area has a long history of mineral discoveries, following the discovery of placer gold on the Fraser River in 1858. The first record of work on the ground covered by the LD claims consisted of soil and rock chip sampling in 1974 by Cominco Ltd. on the Rye claims. Aaron Mines Ltd. were owners of the Rye claims. Samples from a trench yielded significant precious and base metal values. In 1975, a diamond drill program totalling 185 metres was completed on the newly discovered zone. Several significant gold and silver intersections were made. A ground magnetometer survey was carried out by Cochrane Consultants Ltd. In 1979 and 1980, an adit was driven from the south to explore the zone but no further information is available. In 1991 and 1994, Flame Petro-Minerals Corp. conducted soil and rock sampling, geological mapping, and an electromagnetic survey. Several linear gold soil anomalies up to 600 metres in length were defined. They drilled 7 holes (762 metres) in 1996.

The area is underlain by the Lower and Middle Jurassic Harrison Lake Formation comprised mainly of andesitic to rhyolitic flows and pyroclastics. Calcite veins are common and a thinly bedded shale unit is often manganese stained and hosts disseminated pyrite. The predominant structure on the property is a fault trending 070 degrees and marked by a strong topographic linear depression. The fault is quite complex with subparallel splays and is offset by north to northwest faults. Some tectonic breccias are associated with these fault structures.

On the Rye 2 claim, medium grey coloured, andesitic pyroclastics are crosscut by numerous veins of quartz and calcite which hosts blebs of disseminated pyrite.

Mineralization is associated with an intense pyrite-silica and quartz-calcite vein system which hosts sphalerite, chalcopyrite and pyrite. In 1973, a sulphide-rich sample from a trench on the Rye 2 claim yielded 63.77 grams per tonne gold, 2009.44 grams per tonne silver and 7.23 per cent zinc (Assessment Report 6181). The most significant intersections of diamond drilling in 1975 were: 2.13 metres of 11.79 grams per tonne gold and 44.57 grams per tonne silver between 17.68 and 19.81 metres; 2.13 metres of 6.86 grams per tonne gold and 27.08 grams per tonne silver between 28.35 and 30.48 metres; 5.18 metres of 4.14 grams per tonne gold and 25.03 grams per tonne silver between 0.91 and 6.09 metres; and 1.52 metres of 16.6 grams per tonne gold and 91.88 grams per tonne silver between 14.94 and 16.46 metres (Assessment Report 23845).

Bibliography
EM FIELDWORK 2001, pp. 365-376
EMPR ASS RPT 5421, 5735, *6181, 21303, 23306, 23338, *23845, 24434, 24811
EMPR EXPL 1975-E63; 1977-E123
EMPR FIELDWORK 1984, pp. 120-131; 1985, pp. 95-97
EMPR GEM 1969-195
EMPR PF (Photos, 1996)
GSC MAP 12-1969; 737A; 8538A; 41-1989
GSC P 69-47; 86-1B, pp. 715-720
Arthur, A.J. (1987): Mesozoic Stratigraphy and Paleontology of the West Side of Harrison Lake, Southwest British Columbia, M.Sc. Thesis, University of British Columbia, Dec. 1987
Crickmay, C.H. (1962): Gross Stratigraphy of the Harrison Lake Area, British Columbia, Evelyn de Mille Books Calgary, Alberta
Ray, G.E. et al. (1985): Precious Metal Mineralization in Southwest British Columbia, Field Guides to Geology and Mineral Deposits in the South Canadian Cordillera, GAC, Section Meeting, Vancouver, British Columbia, May 1985

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