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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  15-Aug-1996 by Keith J. Mountjoy (KJM)

Summary Help Help

NMI
Name JOE 7 Mining Division Osoyoos
BCGS Map 082E003
Status Showing NTS Map 082E04E
Latitude 049º 02' 23'' UTM 11 (NAD 83)
Longitude 119º 35' 34'' Northing 5435110
Easting 310518
Commodities Silver, Copper, Molybdenum Deposit Types L04 : Porphyry Cu +/- Mo +/- Au
I06 : Cu+/-Ag quartz veins
Tectonic Belt Omineca Terrane Okanagan, Plutonic Rocks
Capsule Geology

The Joe 7 showing is located at 1160 metres elevation along a prominent northwest-trending ridge, 2 kilometres west of Blue Lake (Assessment Report 970).

The southern two-thirds of the property are underlain by Jurassic Kruger syenite and nepheline syenite. To the north are granodiorite and quartz diorite of the Middle Jurassic Similkameen intrusion. Jointly, these have intruded a northwest-trending roof pendant of Carboniferous to Permian Kobau Group metasediments and metavolcanics. Quartzite, phyllite, quartz-mica schist and greenstone are the dominant lithologies surrounding the showing. Alteration consists primarily of silicification with minor carbonate alteration. The greenstone has been more intensely propylitic altered to chlorite, epidote, carbonate, and potassic altered to potassium feldspar.

Low grade copper mineralization occurs in all rock types except syenite and nepheline syenite. Disseminated chalcopyrite and bornite with pyrite and magnetite comprise sulphides which appear to have been hydrothermally introduced in quartz and calcite veinlets up to 5 millimetres thickness. Malachite stains are also present in an abandoned pit at the Joe 7 showing. Copper mineralization appears associated with regional northwest-trending shears. A typical sample from one of these shear zones is reported to yield 17.14 grams per tonne silver, 0.373 per cent copper and 0.004 per cent molybdenum

Bibliography
EMPR AR 1968-21
EMPR ASS RPT *970, 1228, 2027, 3701, 4423, *4919
EMPR GEM 1969-298; 1971-384; 1972-39; 1973-45
EMPR OF 1989-5
GSC MAP 85A; 341A; 538A; 539A; 541A; 15-1961; 1736A; 2389
GSC MEM 38, pp. 425-478; 179
GSC OF 481; 637; 1505A; 1565; 1969
GSC P 37-21

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