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File Created: 04-Jun-1986 by Larry Jones (LDJ)
Last Edit:  03-Oct-2007 by Mandy N. Desautels (MND)

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NMI 103F9 Pe2
Name GOLD CREEK, CANOE CREEK Mining Division Skeena
BCGS Map 103F059
Status Showing NTS Map 103F09W
Latitude 053º 30' 29'' UTM 08 (NAD 83)
Longitude 132º 15' 26'' Northing 5932109
Easting 681996
Commodities Perlite, Volcanic Glass Deposit Types R12 : Volcanic glass - perlite
Tectonic Belt Insular Terrane Wrangell
Capsule Geology

The perlite occurrence is located 1.6 kilometres north of the junction of Gold Creek and the Yakoun River.

The north side of Gold Creek, between Marie Lake and its confluence with the Yakoun River, 4.5 kilometres to the east, is underlain by sediments and volcanics of the Middle Jurassic Yakoun Group. These rocks are overlain by basaltic to felsic flows and lesser pyroclastics of the Upper Oligocene to Lower Pliocene Masset Formation.

Perlite is reported to occur in rhyolite of the Masset Formation on the steep north slope of Gold Creek, 1.1 kilometres northwest of its confluence with the Yakoun River (Bulletin 54).

Several large boulders of medium grey perlite, three to five metres across, occur along MacMillan Bloedel's mainline logging road just north of Gold Creek, 1.6 kilometres southwest of the previously described occurrence and 1.9 kilometres west of Gold Creek's confluence with the Yakoun River (Site 5, Geological Fieldwork 1989, page 486). Samples heated with a hand-held propane torch expanded (Geological Fieldwork 1989, page 486). Additional testing by CANMET indicated the following characteristics (Geological Fieldwork 1990, pages 265 to 267): Per cent weight loss when heated to 800 degrees Celsius: 7.9 Softening temperature (degrees Celsius): 1235-1270 Density after heating to softening temp. (kg per cubic metre): 166

EMPR BULL 54, p. 175
EMPR EXPL 1985-C364
EMPR FIELDWORK *1989, pp. 485, 486; *1990, pp. 265-268; 1997, pp.
GSC MAP 1385A; 6-1990
GSC OF 2319
GSC P 86-20; 88-1E, pp. 221-227, 269-274; 89-1H, pp. 73-79; 90-10,
pp. 305-324
EMPR PFD 841985, 521713, 521718