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File Created: 24-Jul-85 by BC Geological Survey (BCGS)
Last Edit:  02-Jun-15 by Karl A. Flower(KAF)

Summary Help Help

NMI
Name NORTH BRENDA-CENTRAL, TRE 6, 15, ANN, PH9 Mining Division Nicola, Osoyoos
BCGS Map 082E091
Status Showing NTS Map 082E13W
Latitude 49º 55' 39" N UTM 11 (NAD 83)
Longitude 119º 59' 52" W Northing 5534879
Easting 284852
Commodities Copper Deposit Types L04 : Porphyry Cu +/- Mo +/- Au
Tectonic Belt Intermontane Terrane Plutonic Rocks
Capsule Geology

The North Brenda-Central showing is located approximately 5 kilometres north of the Brenda mine open pit (MINFILE 092HNE047) and 25 kilometres northwest of Peachland.

The area is underlain by porphyritic quartz diorite of the Early Jurassic Pennask Batholith, locally known as the Brenda stock. Alteration of the quartz diorite is generally confined to fractures and narrow alteration envelopes around those fractures. Four main alteration assemblages have been noted; quartz-hematite-pyrite, chlorite-epidote-potassium feldspar, biotite-chalcopyrite and chlorite. The dominant trend of these fractures is northwest, in contrast to the northeast trend at the Brenda mine.

Locally, chalcopyrite mineralization is present as very thin fracture fillings with biotite. Cross-cutting relationships indicate that the chalcopyrite fracture fillings are the oldest. Malachite is found on weathered surfaces.

In 1987, a drill hole, (PH9) intercepted 24.0 metres averaging 0.34 per cent copper (Assessment Report 16750).

The showing was part of the extensive property holdings of Noranda Exploration Company Ltd in the 1960s. Numerous trenches, roads and drill holes were left in this general area by Noranda; however, the results of this work were not filed for assessment. In 1975 and 1976, Canadian Occidental Petroleum carried out geological mapping and rock and soil geochemical surveys on the area as the Tre claims. In 1987, Brenda Mines completed a drilling program on the area. During 2006 through 2012, Bitterroot Resources completed programs of rock, silt and soil sampling, geological mapping, 147.6 line-kilometres of ground magnetic surveys and a 66.2 line-kilometre ground induced polarization survey on the area as the North Brenda property.

Bibliography
EMPR AR 1965-163; 1966-184; 1967-205,211; 1968-215
EMPR ASS RPT *5685, 5691, 6062, *16750, 30902, 32070, 32788, 33743
EMPR EXPL 1975-E28; 1976-E31
EMPR GEM 1970-391; 1971-288; 1974-64
EMPR OF 1994-8
EMPR PF (Henrick, M.P. (1975-05-03): Preliminary Report on the Diamond Drill Program on the TRE Claim Group)
EMPR RGS 29
GSC MAP 538A; 15-1961; 1701A; 1712A; 1713A; 1714A; 1736A; 7686G; 8522G
GSC OF 409; 637; 736; 1969
CIM Special Volume 15, pp.186-194

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