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File Created: 01-Feb-2021 by Garry J. Payie (GJP)
Last Edit:  22-Jun-2023 by Garry J. Payie (GJP)

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NMI
Name CHIVAS SOUTH, THORN Mining Division Atlin
BCGS Map 104K046
Status Showing NTS Map 104K07W
Latitude 058º 29' 13'' UTM 08 (NAD 83)
Longitude 132º 48' 18'' Northing 6485001
Easting 627968
Commodities Copper, Gold, Silver Deposit Types D07 : Iron oxide breccias & veins +/-P+/-Cu+/-Au+/-Ag+/-U
Tectonic Belt Intermontane Terrane Stikine
Capsule Geology

The Chivas South property is located approximately nine kilometres west of the northern end of Trapper Lake.

The Chivas South area is underlain by volcanic rock of the Upper Triassic Stuhini Group which are intruded by feldspar porphyry stocks of the Late Cretaceous Windy Table Complex and an alkali feldspar granite batholith of the Paleocene to Eocene Sloko-Hyder Plutonic Suite batholith.

Rock samples collected from a northeast trending hematite breccia cross-cutting Stuhini Group intermediate-to-mafic volcanic rocks cut by aplite dikes at the Chivas South Zone assayed up to 3.88 per cent copper, 0.47 gram per tonne gold and 29.6 grams per tonne silver (S053502) (Assessment Report 38219). Soil sampling at the Chivas South Zone returned values ranging from 30 parts per billion to 2100 parts per billion gold, outlining a 550-metre-long, moderate-to-high, northwest-southeast trending gold in soils anomaly that remains open. Soil samples collected in this anomalous area also returned values of up to 351 parts per million copper, up to 11.6 parts per million molybdenum and 1.87 parts per million silver (Assessment Report 38219).

A prior high-grade copper sample (S044614) is from the northeast-trending zone of brecciation and hematitic alteration. The hematitic zone is several metres to a few tens of metres thick and extends for at least 300 metres. Sample S044614 (4.38 per cent copper, 15.4 iron, 0.64 gram per tonne gold, and 22.4 grams per tonne silver) is from a 15-20-centimetre-thick zone of specular and earthy hematite mineralized with chrysocolla, azurite, and chalcopyrite (Assessment Report 38219). Re-sampling in the same area yielded high copper sample S053502.

In 2018, small geochemical sampling surveys were carried out by Brixton Metals Corporation over areas of the Chivas, Outlaw, Glenfiddich and Talisker zones, in an area termed the “Oban-Outlaw soil anomaly” and along Cirque Creek. Rock and soil samples were collected in each area to test or extend previously discovered geochemical anomalies in each area. A total of 28 soil samples and 87 rock samples were collected throughout the Thorn Property. Petrochemical, mineralogical and alteration studies were carried out in order to assess the district-scale mineralization styles and metal zoning patterns at the Thorn Property and to investigate the characteristics of the Chivas Zone in terms of porphyry-style mineralization and alteration. A new gold-in-soil anomaly was discovered at the Chivas South Zone.

See Chivas (104K 180), Oban (104K 168) and Thorn (104K 031) for related geological and historical details of the Thorn Property.

Bibliography
EMPR ASS RPT 35192, 36638, 36829, *38219
EMPR EXPL 1981-242; 1983-546; 1999-19-31; 2000-1-8; 2003-6; 2004-26; 2005-28
EMPR OF 1998-8-E, pp. 1-25
GSC MAP 6-1960; 1262A
GSC MEM 362, p. 56
MER 2003-16; 2004-13; 2005-7
http://brixtonmetals.com/

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