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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  23-Oct-1995 by Gilles J. Arseneau (GJA)

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Name JOHN L. (L.5898), GLENGARNOCK (L.5897), MAREYEN FR. (L.5899), LIZA FR. (L.5900) Mining Division Slocan
BCGS Map 082K044
Status Prospect NTS Map 082K06E
Latitude 050º 28' 14'' UTM 11 (NAD 83)
Longitude 117º 14' 04'' Northing 5590978
Easting 483363
Commodities Gold, Silver, Lead, Zinc Deposit Types I05 : Polymetallic veins Ag-Pb-Zn+/-Au
E13 : Irish-type carbonate-hosted Zn-Pb
Tectonic Belt Omineca Terrane Kootenay
Capsule Geology

The John L. occurrence is located near the mouth of Tenderfoot Creek in the Slocan Mining Division. The property includes four Reverted Crown grants, Lots 5897 to 5900.

Regionally, the area lies within the Selkirk Mountains of southeastern British Columbia. The occurrence is within the Kootenay Arc, a curving belt of highly deformed metasedimentary and metavolcanic rocks which includes the Upper Proterozoic Horsethief Creek Group, the Upper Proterozoic to Lower Cambrian Hamill Group, the Lower Cambrian Badshot Formation, and the Paleozoic Lardeau and Milford groups. The volcano-sedimentary sequence is intruded by numerous Paleozoic to Mesozoic granitoid plutons.

The Lardeau River area of the Selkirk Mountains is mainly underlain by massive pillow lavas, volcanic breccia and green phyllitic rocks of the Index Formation and by grey-green mica schist of the Broadview Formation. Grey phyllitic rocks and marble of the Milford Group are exposed near the edges of the Mesozoic Mobbs Creek, Rapid Creek and Poplar Creek stocks. All rocks have undergone regional metamorphism to middle or upper greenschist facies. Rocks of the Milford Group have also been affected by thermal metamorphism (Geological Survey of Canada Bulletin 193).

The John L. occurrence consists of a massive quartz vein up to 2.5 metres wide. The vein strikes east and dips 80 degrees south, and is hosted within grey phyllite and quartzite of the Index Formation of the Lardeau Group. Galena, pyrite, arsenopyrite and minor sphalerite occur in patches throughout the vein and concentrated near the vein walls. Sulphides are also disseminated within mariposite-bearing calcareous phyllite in the hangingwall. The best grab sample of a mineralized section of the vein assayed 37 grams per tonne gold, 257 grams per tonne silver, 5 per cent lead and 0.7 per cent zinc (Property File - Prospectus, Progressive Minerals Ltd., 1987).

EMPR AR 1898-1067; 1899-602,687; 1901-1020; 1902-H141; 1903-H126,H242
EMPR ASS RPT 8483, 8862
EMPR PF (See Maggie May, 082KSW102 - *Ikona, C.K. (1987): Geological Report on the John L. and Maggie May Claims in Prospectus, Progressive Minerals Ltd., September 30, 1987)
GSC OF 288; 432; 464
GSC SUM RPT 1903 Part A, p. 65
EMPR PFD 903131