CANADIAN AND WORLD MINERAL DEPOSIT DATABASES
Geological Survey of Canada


Deposit number Country Location Names Commodities
99 United States (Montana) 48.16 N -- 115.56 W Spar Lake Cu; Ag; Hg
 
Database name: World Sediment-Hosted Cu Deposits
Compilers: R. V. Kirkham, J. J. Carriere, A. Rafer, and P. Born
Release date: 2015-01-27
   
Deposit name(s): Spar Lake
Political location(s): United States; Province or state: Montana; Nearest community: Troy (17 mi S)
Deposit clan (type): sediment-hosted copper
Deposit (sub) types: continental redbed; in middle quartzite unit along bedding planes
Commodities: Cu; Ag; Hg
Geological ages: Helikian (host rocks)
Tectonic setting: continental rift-graben; divergent (host rocks)
Host rocks: (1) sedimentary; quartzite-mudstone-siltstone; Magma series/sedimentary package/metamorphic group: red bed; Depositional setting: lacustrine
Individual lithologies:quartzite (silty - clean quartz)
siltite
argillite
Host rock stratigraphy:Revett Formation, Ravalli Group
Qualified comments: (Applies to: miscellaneous comments) in middle quartzite unit along bedding planes
References:
Anonymous, 1982
Troy: Asarcos New Silver Mine
Mining Magazine, August issue, p. 78

Banister, D. P.; Weldin, R. D.; Zilka, N. T.; Schmauch, S. W., 1981
Economic Appraisal of the Cabinet Mountains, Wilderness Lincoln and Sanders Counties Montana
United States Geological Survey Bulletin, Volume 1501-, p. 53 - 77

Clark, A. L., 1971
Strata-Bound Copper Sulphides in the Precambrian Belt Supergroup, Northern Idaho and Northwestern Montana
in Papers and Proceedings of the Seventh General IMA-IAGOD Meeting, Tokyo-Kyoto, 27 August-2 September, 1970, Edited by Takeuchi, Y.; Tatsumi, T.; Takenouchi, S.; Miyazawa, T.; Kanehira, K.; Sekine, Y.; Kato, A.; Fuji, T.; Isihara, S., Special Issue, Society of Mining Geologists of Japan, International Association on the Genesis of Ore Deposits (IAGOD), Mining Geology, 3, 500 p, p. 261 - 267

Harrison, J. E., 1974
Copper Mineralization in Miogeosynclinal Clastics of the Belt Super Group, Northwestern United States
in Gisements Stratiformes et Provinces Cupriferes, Liege 1974, Edited by Bartholomé, P.; de Magnée, I.; Evrard, P.; Moreau, J., Centenaire de la Societe Geologique de Beligique, Societe Geologique de Belgique, 427 p., 2 maps, p. 353 - 366

Jowett, E.C., 1989
Effects of Continental Rifting on the Location and Genesis of Stratiform Copper-silver Deposits
Section Introduction, General Principles and Geochemical Aspects, in Sediment Hosted Stratiform Cu Deposits, Ottawa, May 1986, Edited by Boyle, R. W.; Brown, A. C.; Jefferson, C. W.; Jowett, E. C.; Kirkham, R. V., Special Paper, Geological Association of Canada, 36, 710 p, p. 53 - 66

Trammell, J., 1970
Stratabound Base Metal Sulfides in the Belt Supergroup of Montana
Section Structural Geology and Economic Geology, in Geological Society of America, Rocky Mountain Section, 23rd Annual Meeting, May 1970, Edited by Anonymous, Abstracts With Programs, Geological Society of America, V2, No 5, p. 352 - 352

Resource data:
Disclaimer - Reserves/Resource Data

Her Majesty the Queen in Right of Canada, represented by the Minister of Natural Resources (NRCan) does not warrant or guarantee the accuracy, completeness or fitness for any purpose of Reserve and Resource information (Data) contained in this database, including whether the Data is compliant with any securities regulations or standards, and NRCan does not assume any liability with respect to any damage or loss incurred as a result of the use made of the Data.

Resource and reserve figures are historical in nature. The Data source provided with each set of figures should be cited if the Data are re-reported.

Estimate date: 1981; 58,000,000 metric ton ore; Combined with production?: no; Provisional entry?: yes; Resource category: resource ?
Grade-commodity information:Cu: 0.8 percent
Reference: Goossens, P. J., 1983: Precambrian Mineral Deposits and their Metallogeny; Annales. Série in 80, Sciences Géologiques, Musée Royal de l'Afrique Centrale, Tervuren, Belgique, Publication code 89, 97 p.
Percent weights allocated to deposit: 100.0%

Generated 2015-01-27 17:18:24 with GQuery -- 3.7 ADO (3.19..3.22 -- 2008-12-16)
GlobalDB System, Geological Survey of Canada, Natural Resources Canada