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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  27-Sep-1995 by Gilles J. Arseneau (GJA)

Summary Help Help

NMI
Name HI-LO Mining Division Slocan
BCGS Map 082K006
Status Showing NTS Map 082K02W
Latitude 050º 02' 45'' UTM 11 (NAD 83)
Longitude 116º 54' 49'' Northing 5543730
Easting 506185
Commodities Lead, Zinc, Copper, Tungsten Deposit Types E12 : Mississippi Valley-type Pb-Zn
E13 : Irish-type carbonate-hosted Zn-Pb
Tectonic Belt Omineca Terrane Kootenay, Ancestral North America
Capsule Geology

The Hi-Lo occurrence is located on the west shore of Duncan Lake, 1.5 kilometres northwest of Schroeder Point in the Slocan Mining Division.

Regionally, the area lies within the Kootenay Arc near the margins of the Ancestral North American Terrane. The Kootenay Arc is a curving belt of highly deformed metasedimentary and metavolcanic rocks which includes the Upper Proterozoic Horsethief Creek Group, the Eocambrian Hamill Group, the Lower Cambrian Badshot Formation, and the lower Paleozoic Lardeau Group. The volcano-sedimentary sequence is intruded by numerous Ordovician, Devonian and Mississippian granitoid plutons. The rocks have undergone regional metamorphism to middle or upper greenschist facies (Paper 1993-1).

The property is underlain by quartz mica schist and calcareous schist of the Index Formation of the Lardeau Group. A narrow band of crystalline limestone of the Badshot Formation is exposed on the eastern part of the property. Two types of mineralization are present. The first consists of galena and scheelite with traces of chalcopyrite occurring in quartz veins replacing limestone of the Badshot Formation. The second type of mineralization consists of sphalerite and pyrrhotite as replacement of calcareous schist layers within the Index Formation.

Bibliography
EMPR AR 1968-260
EMPR ASS RPT *1126
EMPR FIELDWORK 1992, pp. 9-16
EMPR GEOS MAP 1995-1
EMPR OF 1991-17; 2000-22
EMPR PF (82KSE General File - Geology map by P. Billingsley, 1958)
GSC MAP 1326A
GSC MEM 369, p. 116
Pope, A.J. (1989): The Tectonics and Mineralization of the Toby- Horsethief Creek Area, Purcell Mountains, Southeast British Columbia, Canada, unpublished Ph.D. Thesis, University of London, England
EMPR PFD 1676

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