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File Created: 11-Sep-1991 by David M. Melville (DMM)
Last Edit:  09-Sep-2021 by Garry J. Payie (GJP)

Summary Help Help

NMI
Name TOM Mining Division Omineca
BCGS Map 094D029
Status Showing NTS Map 094D08W
Latitude 056º 16' 34'' UTM 09 (NAD 83)
Longitude 126º 20' 34'' Northing 6239985
Easting 664519
Commodities Copper Deposit Types D03 : Volcanic redbed Cu
Tectonic Belt Intermontane Terrane Stikine, Cache Creek
Capsule Geology

The Tom occurrence is located approximately 3 kilometres north of Mount Carruthers.

The showing area is reported to occur in banded tuffs. Chalcopyrite mineralization occurs in shears and malachite and is commonly observed throughout the tuffs.

The plotted Tom location is now described (2021) as being underlain by Lower Jurassic volcanics of the Telkwa Formation (Hazelton Group) consisting of maroon, green and purple subaerial andesitic to dacitic feldspar phyric flows, pyroclastic and epiclastic rocks, augite phyric to aphyric basalt, breccia, welded tuff. Sedimentary rock of the Upper Triassic Dewar Formation (Takla Group) is in contact with the Hazelton rock about 1 kilometre to the southwest. The regional geological setting is similar to that of the Carruthers Creek occurrence (094D 060).

In the early 1970s, Canadian Superior Exploration Limited prospected the region documenting any mineralization they found on geological maps. The Tom is one of those documentations.

Bibliography
EMPR PF (In 094D General File - *Canadian Superior Exploration Limited, Maps from Company Files, c. 1973)
GSC OF 342
GSC MEM 251
GSC P 76-29
GSC MAP 962A

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