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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  12-Mar-2012 by Garry J. Payie (GJP)

Summary Help Help

NMI
Name HOODOO DISCOVERY Mining Division Liard
BCGS Map 104B084
Status Showing NTS Map 104B14W
Latitude 056º 49' 05'' UTM 09 (NAD 83)
Longitude 131º 19' 36'' Northing 6299547
Easting 357987
Commodities Silver Deposit Types I05 : Polymetallic veins Ag-Pb-Zn+/-Au
H02 : Hot spring Hg
Tectonic Belt Intermontane Terrane Stikine, Plutonic Rocks
Capsule Geology

The Hoodoo occurrence is underlain by a sequence of mafic to felsic volcanics, primarily pyroclastic in character of the Upper Triassic Stuhini Group. The volcanic rocks have been subsequently intruded by a gabbroic body. Late intrusive mafic dykes related to recent volcanism in the area have intruded all rock types.

The volcanics trend approximately west-northwest, dipping from 70 degrees north to near vertical. The mafic to intermediate volcanics are generally dark grey to black and consist of a series of tuffs and lapilli tuffs with minor agglomeratic horizons. The felsic volcanics are typically pyroclastic in nature, made up predominantly of tuffs, lapilli tuffs and agglomerates. Also recognized are two unique sub-units of finely laminated cherty tuffs and heterolithic tuffs.

The Discovery zone occurs within a silicified felsic volcanic package. Within the Discovery zone, silver values have been reported along a gossanous zone with a known strike length of 150 metres. Argentiferous veins are present as closely spaced extension joint fillings. A 7.4 metre sample in one trench returned 43.2 grams per tonne silver (Assessment Report 12614). Mineralization within pyritized quartz-carbonate alteration zones include argentite, pyrargyrite, cinnabar and bornite (Equity Preservation Corp. 1988).

The Hoodoo 1-5 claims were staked in 1982 for Kerr Addison Mines Ltd. Three days were spent prospecting and sampling on the property just after staking. In addition to limited geological, mapping, 22 stream sediment and soil samples and 30 rock chip samples were collected and analyzed for Au, Ag, Sb, As and Hg.

The Hoodoo 1-5 claims were restaked in 1983 for Kerr Addison Mines Ltd. Eight days were spent on the property by a two man crew after staking. Work was primarily prospecting and sampling with minor geological mapping and hand trenching. Seventeen soils and twenty-seven rock samples were collected and analyzed for Au, Ag, As and Sb. Some of the samples were also run for Ba, Hg, Cu, Zn and Pb. Geology was recorded at sample sites and plotted on 1:lO.OOO scale map.

In 1990, Kerr Addison conducted a program to re-establish grid lines, originally established in 1982-1983, spot collars for diamond drilling and take rock samples, which amounted to 55.

In 1991, Kerr Addison Mines Ltd once again restaked the area original Hoodoo 1-5. Argillite units exposed on the Hoodoo claims were systematically panel and chip sampled to assess their potential for hosting a volcanogenic massive sulphide zone. Seven days were spent on the claims resulting in the collection of 57 samples of argillite and five other mineralized samples. It was reported that the few slightly anomalous samples occurred in the vicinity of shear related mineralization and the potential for discovering a volcanogenic massive sulphide zone was low.

Bibliography
EMPR ASS RPT 11331, 12614, *21878
EMPR EXPL 1984-389
GSC MAP 9-1957; 311A; 1418A
GSC MEM 246
GSC P 89-1E, pp. 145-154
V STOCKWATCH Nov.16, 1988, p. 12

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