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File Created: 24-Jul-1985 by BC Geological Survey (BCGS)
Last Edit:  10-Jan-2014 by Karl A. Flower (KAF)

Summary Help Help

NMI 092E15 Fe1
Name GLENGARRY (L.410), HEAD BAY, STORMONT (L.411), TEXAS (L.412), TAH, HUALPAI Mining Division Alberni
BCGS Map 092E088
Status Past Producer NTS Map 092E15E
Latitude 049º 48' 27'' UTM 09 (NAD 83)
Longitude 126º 31' 00'' Northing 5520187
Easting 678674
Commodities Iron, Magnetite, Copper Deposit Types K03 : Fe skarn
Tectonic Belt Insular Terrane Wrangell, Plutonic Rocks
Capsule Geology

The Glengarry occurrence is located south west of the Sucwoa River, approximately 1.5 kilometres north west of the river mouth on Head Bay.

The area is underlain by Upper Triassic Vancouver Group volcanics and sediments comprised of Karmutsen Formation basalts and the Quatsino and Parson Bay formations carbonates and clastics. Granodiorite of the Early to Middle Jurassic Island Plutonic Suite and Eocene Catface Intrusions has intruded the Vancouver Group rocks. Contact metamorphism in Karmutsen basalts has given rise to amphibolite and hornfels zones up to several thousand metres in thickness. Contact metamorphism grades into regional zeolite facies metamorphism.

Locally, at the Glengarry magnetite occurrence, the north west striking Quatsino limestone dips about 45 degrees to the southwest. Intruding the limestones to the south and east is a large granodiorite body and associated diorite dikes. The limestone strata have been recrystallized or altered to garnetite and many of the crosscutting dikes predate the skarn event.

Mineralization outcrops over an area of 567 by 403 metres as 11 or more pods of magnetite within garnet skarn. The pods range from 2 to 12 metres wide and are parallel to bedding, following roughly the margin of the intrusive contact in a northwest direction. Chalcopyrite and pyrite are present only in small quantities. A sample of the magnetite assayed 56.8 per cent iron, 0.1 per cent sulphur, trace phosphorous and 1.6 per cent silica (Minister of Mines Annual Report 1916, page K293).

Drill indicated reserves, in eleven distinct localities, total 327,000 tonnes averaging 42.7 per cent iron (Minister of Mines Annual Report 1956, page 133). The deposit is similar and adjacent to the Rob Roy deposit (092E 015).

During 1979 through 1981, Pan Ocean Oil completed programs of geological mapping and geochemical sampling on the area as the Tah 1-19 claims. In 1983, Aberford Resources continued on the previous mapping and sampling programs. In 1984, Homestake Canada completed a program of geological mapping and rock sampling. In 1987, Great Keppel Resources completed a program of geological mapping, geochemical sampling, hand trenching and a ground magnetic survey. In 1988, Centaur Resources completed a program of geological mapping and geochemical sampling. In 2007 and 2008, Silverlake Capital completed programs of geochemical sampling and geological mapping on the area. During 2009 through 2013, Homegold Resources completed programs of prospecting, historical literature reviews and air photo interpretations on the area as apart of the Head Bay property.

Bibliography
EMPR AR 1902-208; 1903-193; 1906-185; 1909-278; *1916-293; 1951-198;
1952-231; *1956-131-133; 1959-A45,134-135,282; 1960-106
EMPR BC METAL MM00073
EMPR BULL 27; 101, pp. 57,153, Appendix 6
EMPR EXPL 1980-163; 1981-221; 1983-190; 1984-147
EMPR INDEX 4-122
EMPR MAP 65 (1989)
EMPR OF *1988-28, p. 23; 1992-1; 1992-9
EMPR PF (Surface Plan, Head Bay area, 1:15,840; Composite Plan for
Head Bay Magnetite Deposit, 1951, 1:1,800)
EMR MP CORPFILE (Canadian Collieries Resources Ltd.)
EMR MP RESFILE (Head Bay)
GSC BULL 172
GSC EC GEOL *3, p. 231
GSC MAP 1027A; 1537A
GSC MEM 272, p. 56
GSC OF 463
GSC P 71-36; 72-44; 80-16
CANMET IR 47, p. 16
CIM Transactions Vol.72, p. 116
Carson, D.J.T. (1968): Metallogenic Study of Vancouver Island with
emphasis on the Relationship of Plutonic Rocks to Mineral Deposits,
Ph.D. Thesis, Carleton University, Ottawa
Hudson, R. (1997): A Field Guide to Gold, Gemstone & Mineral Sites of
British Columbia, Vol. 1: Vancouver Island, p. 184
Sangster, D.F. (1964): The Contact Metasomatic Magnetite Deposits
of Southwestern British Columbia, Ph.D. Thesis, University of
British Columbia
Falconbridge File

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