CANADIAN AND WORLD MINERAL DEPOSIT DATABASES
Geological Survey of Canada


Deposit number Country Location Names Commodities
783 Canada (British Columbia) 52.17.34 N -- 131.11.56 W Jessie; Jedway; Harriet Harbour Fe
 
Database name: World Fe-oxide+/-Cu-Au-U (IOCG) deposits
Compilers: Sunil S. Gandhi
Release date: 2015-03-04
   
Deposit name(s): Jessie; Jedway; Harriet Harbour
Political location(s): Canada; Province or state: British Columbia; Nearest community: Sandpit (110 km SE)
NTS map data: 103B06 (Burnaby Island)
Deposit clan (type): Iron Skarn-type
Deposit (sub) types: main massive body digitates to the west into several lenses or tabular bodies parallel to, and 35 m below the limestone, in the volcanic units; thickness range: 6 to 24 m; Reference: Sangster, D. F., 1969: The Contact Metasomatic Magnetite deposits of Southwestern British Columbia; Bulletin, Geological Survey of Canada, Geological Survey of Canada, Department of Energy, Mines and Resources, Ottawa, Canada, Publication code 172, 85 p., 9 maps.
Deposit status: past producer; Size category: 4 Mt
Geologic province: Cordilleran Orogen
Geologic subprovince: Insular Belt
Geologic district: Wrangell Terrane
Commodities: Fe
Tectonic setting: continental marginal arc-fold belt; transpressive; Formal name: Bonanza magmatic arc (mineralization)
Mineralogy: (mineralization): magnetite
Deposit shape: zone of stacked tabular bodies and lenses
Deposit dimensions:strike length: 150 metres
width: 60 metres
length down-dip: 120 metres
Qualified comments: (Applies to: discovery and development) Discovery in 1908; magnetometer survey in 1956; diamond drilling done in 1960 and 1961 outlined 4.26 Mt of iron ore; a part of the deposit below the open pit was uneconomic. Open pit mining 1962 to 1966, then underground till 1968; total 3,864,434 t mined; 3,938,702 t milled; iron recovered: 2,070,953 t; figures include small tonnage from nearby Rose and Adonis properties.
Links to other databases: BC MINFILE; Key value: 103B 026
References:
British Columbia Mines and Energy, 2001
British Columbia MINFILE Database
Government of British Columbia, MINFILE Mineral Inventory, Internet

Gross, G. A., 1996
Skarn Iron
20. Skarn Deposits, Section 20.4 Skarn Iron, in Geology of Canadian Mineral Deposit Types, Edited by Eckstrand, O. R.; Sinclair, W. D.; Thorpe, R. I., Geology of Canada, Decade of North American Geology (DNAG), Geological Survey of Canada, Geological Society of America, Volume 8, 640 p, p. 489 - 495

Sangster, D. F., 1969
The Contact Metasomatic Magnetite deposits of Southwestern British Columbia
Bulletin, Geological Survey of Canada, Geological Survey of Canada, Department of Energy, Mines and Resources, Ottawa, Canada, Publication code 172, 85 p., 9 maps.


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