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File Created: 18-Sep-1998 by BC Geological Survey (BCGS)
Last Edit:  01-Aug-2018 by Garry J. Payie (GJP)

Summary Help Help

NMI
Name BEAUCHAMPS, SENTRA CREEK, FIRE CREEK, AXE, GJ Mining Division Liard
BCGS Map 104G069
Status Showing NTS Map 104G09E
Latitude 057º 38' 54'' UTM 09 (NAD 83)
Longitude 130º 12' 05'' Northing 6390194
Easting 428294
Commodities Gold, Silver, Copper, Lead, Zinc Deposit Types I05 : Polymetallic veins Ag-Pb-Zn+/-Au
I01 : Au-quartz veins
I06 : Cu+/-Ag quartz veins
L02 : Porphyry-related Au
Tectonic Belt Intermontane Terrane Stikine
Capsule Geology

The Beauchamp showings, west of Kinaskan Lake, were located on the Axe claims of Ascot Resources Ltd which were staked in 1988. As of 1991, the Axe property consisted of some 59 claims totalling 932 units. In 1990, a 13.7-kilometre induced polarization and ground magnetometer survey was conducted and 3 diamond-drill holes totalling 268 metres were drilled in the Fire Creek area. Further work was done by Ascot on numerous new showings on the Axe claims in 1991 but no work was recorded for the Beauchamp in that year and no further work has been filed for assessment to date (September 1998).

Area rocks have recently been mapped on a regional scale as Upper Triassic Stuhini Group (Open File 1997-3). Property rocks consist of greywacke and siltstone with conglomerate, chert and cherty siltstone interbedded with andesitic flows, tuffs and agglomerates. The showings occur just south of the Groat stock, a northeast trending mass of Early Jurassic granodiorite to quartz monzonite. Dikes of finer grained equivalents are common in the headwaters of Sentra Creek.

The Fire Creek zone consists of 1 to 5-centimetre wide northeast striking quartz veinlets containing chalcopyrite and pyrite. Grab samples of vein material have yielded values of 9.6 grams per tonne gold over 5 centimetres from vuggy veins traceable for up to 20 metres (Assessment Report 21128, page 7). This zone was partially tested along strike by a drill hole. No significant results were obtained.

The Sentra Creek zone consists of scattered and randomly oriented quartz-calcite veins up to 1 metre wide and traceable along strike for up to 12 metres. The hostrocks are greywackes and siltstones. Sulphides in the veins include pyrite, chalcopyrite, arsenopyrite, galena, sphalerite and malachite. Grab samples yielded values up 1 gram per tonne gold, 0.4 per cent copper, 1 per cent lead, 1.2 per cent zinc and 99.1 grams per tonne silver (Assessment Report 21128, page 7).

In 2012, Teck Resources conducted an exploration program that focused on the Donnelly, GJ, Wolf, Seestor, and QC areas of the property, and included diamond drilling, geological mapping, drill core relogging, ground and airborne geophysics, and rock and soil sampling. In 2014, mapping was completed by Teck Resources in the area south of the GJ camp to the confluence of Beauchamp and Groat creeks and Groat Creeks (Hollis, 2012

In 2016, Skeena Resources personnel spent 1.5 man-days evaluating and prospecting vein targets exposed in Sentra and Fire Creeks (Beauchamp Option) on the south facing slopes of Groat Creek. A total of 6 rock samples, 1 soil sample and 3 stream samples were collected from the target area. Sample descriptions with locations were recorded in Assessment Report 36505). In 2016, Skeena located and confirmed results in the Fire Creek zone yielding 9.8 grams per tonne gold, greater than 1 per cent arsenic and 0.0025 per cent antimony obtained over 0.6 metre from a 10 metre by 15 metre rusty pod (sample S792060).

Refer to GJ (104B 034) and Donnelly (104B 086) for common historical details of GJ/Kinaskan property.

Bibliography
EMPR FIELDWORK 1976, pp. 71-73; 1994, pp. 343-358; 1995, pp. 155-174; 1996, 283-290,291-297
EMPR OF 1992-01; 1992-03; 1996-04; 1997-03
GSC P 71-44, p. 25
GSC MAP 9-1957; 11-1971; 1418A
EMPR PFD 339, 901655, 19703

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