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File Created: 07-Apr-2000 by BC Geological Survey (BCGS)
Last Edit:  27-Nov-2014 by Laura deGroot (LDG)

Summary Help Help

Name JASON Mining Division New Westminster
BCGS Map 092H052
Status Showing NTS Map 092H12E
Latitude 049º 32' 55'' UTM 10 (NAD 83)
Longitude 121º 41' 40'' Northing 5489264
Easting 594437
Commodities Nickel, Copper, Chromium Deposit Types M02 : Tholeiitic intrusion-hosted Ni-Cu
Tectonic Belt Coast Crystalline Terrane Plutonic Rocks
Capsule Geology

The Jason showing is located southwest of the confluence of Cogburn and Settler creeks. The former has its mouth on the east side of Harrison Lake about five kilometres west of the showing area.

The Cogburn Creek area is underlain by Early and Middle Cretaceous aged diorite, quartz diorite and granodiorite assigned to the Spuzzum Intrusions. In the area of the showing, dioritic rocks encompass mafic and ultramafic igneous intrusive rocks which may be the earliest phase of the Spuzzum pluton. The ultramafic rocks comprise gabbro, hornblendite, hornblende pyroxenite and peridotite. These rocks have intruded metasediments and metavolcanics belonging to the Slollicum Schist, Settler Schist and Cogburn Group. These range in age from early Cretaceous to Carboniferous.

Regional foliation strikes from 290 to 320 degrees and dips from 45 to 85 degrees to the northeast. It is generally parallel to layering, although some foliation across layering suggests isoclinal folding (Eastwood, 1971 - Property File).

A grant from the province in 1999 enabled prospector David Haughton to undertake an exploration program in the Harrison Lake area where he discovered and staked (Jason claims) a new magmatic nickel-copper occurrence. Mineralization in boulders and outcrop has been located in association with a 1 kilometre zone of hornblendic pyroxenite. Minerals found within the ultramafic rocks include pyrrhotite, pentlandite, chalcopyrite and pyrite. Sulphide textures are described as lacy or net-textured (interstitial). Such textures, in conjunction with the mineralogy indicate that the sulphides are magmatic in origin. Best assays from three different samples are 0.22 per cent nickel, 0.14 per cent copper and 0.14 per cent chromium (Haughton, 1999).

David Haughton used an Alsation dog trained to sniff sulphides to help prospect. The dog's name is Jason.

EMPR EXPL 2001-23-31; 2002-29-40,65-80
EMPR FIELDWORK 2001, p. 223
EMPR OF 1990-27
EMPR PF (Miscellaneous maps and air photographs by P. Eastwood; *Prospectors Report
1999-3 by David Haughton; Prospectors Report 2000-1 by David Haughton; Prospectors
Report 2001-4 by David Haughton)
GSC MAP 737A; 12-1969; 41-1989
GSC P 69-47