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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  14-Dec-1987 by Laura L. Coughlan (LLC)

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NMI
Name HALL'S, ARGENTUM, RAMBLER Mining Division New Westminster, Similkameen
BCGS Map 092H045
Status Showing NTS Map 092H06E
Latitude 049º 24' 29'' UTM 10 (NAD 83)
Longitude 121º 06' 50'' Northing 5474529
Easting 636821
Commodities Silver, Lead, Zinc, Gold Deposit Types G04 : Besshi massive sulphide Cu-Zn
Tectonic Belt Intermontane Terrane Methow
Capsule Geology

The area is underlain by Lower-Middle Jurassic Dewdney Creek Formation (Ladner Group) tuffaceous sediments comprised of volcanic sandstone, siltstone, wacke, tuff and argillite with interlayered fossiliferous limestone. These rocks are separated from the Lower- Upper Cretaceous Pasayten Group sediments to the east, by the major northwest trending Chuwanten fault.

The Hall's showing is hosted by bedded quartzite which trends 090 degrees. The quartzite consists of alternating grey and limonitic bands which are highly fractured and blocky in places. Fine-grained pyrite is disseminated throughout the grey bands while the oxidized limonitic bands host some disseminated sphalerite and galena. Several opencuts were excavated in the oxidized bands. In 1913, a sample taken across 1.2 metres assayed 0.69 gram per tonne gold and 24.0 grams per tonne silver. In 1985, a grab sample from the oxidized, rusty bands yielded 70.97 grams per tonne silver (Assessment Report 14714).

Bibliography
EMPR AR *1913-227,229; 1930-205; 1931-115
EMPR ASS RPT *14714
EMPR EXPL 1986-C203
EMPR OF MAP 1986-1D
GSC MAP 12-1969; 41-1989
GSC MEM 139
GSC P 69-47
EMPR PFD 811724, 672001

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