CANADIAN AND WORLD MINERAL DEPOSIT DATABASES
Geological Survey of Canada


Deposit number Country Location Names Commodities
827 Canada (New Brunswick) 45.55.43 N -- 064.28.35 W Dorchester; Colonial Copper Mine Cu; Ag; U; Zn; Pb
 
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): Dorchester; Colonial Copper Mine
Political location(s): Canada; Province or state: New Brunswick
NTS map data: 021H16 (Amherst)
Deposit clan (type): sediment-hosted copper
Deposit (sub) types: continental redbed; repl fossil plant frags and py and cement in ss and cong
Geologic province: Appalachian Orogen
Commodities: Cu; Ag; U; Zn; Pb
Geological ages: Carboniferous (host rocks)
Tectonic setting: continental rift-graben; divergent (host rocks)
Host rocks: (1) sedimentary; sandstone-conglomerate
Individual lithologies:sandstone
conglomerate
Host rock stratigraphy:Maringouin and Sherpody Formations, Hopewell Group
Qualified comments: (Applies to: miscellaneous comments) repl fossil plant frags & py & cement in ss & cong; Pb-Zn in beds above Cu zone/ also native Cu in underlying red seds; Cu occurs along regressive transition from marine to continental rocks
References:
Anonymous, 1981
Canadian Mineral Deposits Not Being Mined in 1980 (Updated to 1981)
Internal Report, Energy, Mines and Resources, Mineral Policy Sector, Publication code MRI 80/7

Ball, F. D.; Gemmell, D. E., 1975
Carboniferous Compilation Volume IV: Uranium and Base Metals
Topical Report, New Brunswick Mineral Resources Branch, Publication code 75-22, 60 p.

Barosh, P. J., 1992
Paleozoic Rifting in New England, New Brunswick, Nova Scotia, USA and Canada
in Basement Tectonics 10: Proceedings of the Tenth International Conference on Basement Tectonics, Duluth, Minnesota, USA, August, 1992, Edited by Ojakangas, R. W.; Dickas, A. B.; Green, J. C., Proceedings, Tenth International Conference on Basement Tectonics, Kluwer Academic Publishers, 450 p, p. 73 - 106

Brown, A. C., 1975
A Study of Stratiform Copper Deposits in Carboniferous Strata of New Brunswick and Nova Scotia
in Report of Activities, Edited by Geological Survey of Canada, Paper, Geological Survey of Canada, 75-1A, 602 p, p. 598 - 600

Kirkham, R. V., 1974
A Synopsis of Canadian Stratiform Copper Deposits in Sedimentary Sequences
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. 367 - 382

Potter, R. R., 1967
Metallogenic Investigations, Kennebecasis Zone (2)
in Geological Investigations in New Brunswick, Edited by Potter, R. R., New Brunswick Department of Natural Resources, 67-1, 37 p, p. 5 - 12

Smith, A. Y., 1960
Heavy-Metal (Zn-Pb-Cu) Content of Stream Sediments of Part of Westmorland County, New Brunswick
Paper, Geological Survey of Canada, Publication code 59-12, 8 p.

Wright, W. J., 1951
Dorchester Copper Deposit, Westmorland County, New Brunswick
Paper, New Brunswick Mines Branch, Publication code 51-1, 15 p., 3 maps.

Production data: Report period: from 1917 until 1917; 54 metric ton concentrate; Provisional entry?: yes; Yearly or summary?: Y
Grade-commodity information:Cu: 23.6 percent
Ag: 188.57 grams/metric ton
Reference: New Brunswick Mines Branch, 1950: Annual Report; Annual Report
Percent weights allocated to deposit: 100.0%



Report period: from 1916 until 1916; 16,556 metric ton ore; Provisional entry?: yes; Yearly or summary?: Y
Grade-commodity information:Cu: 3 percent
Reference: New Brunswick Mines Branch, 1950: Annual Report; Annual Report
Percent weights allocated to deposit: 100.0%



Report period: from 1915 until 1915; 54 metric ton concentrate; Provisional entry?: yes; Yearly or summary?: Y
Grade-commodity information:Cu: 25 percent
Ag: 1,302.85 grams/metric ton
Reference: New Brunswick Mines Branch, 1950: Annual Report; Annual Report
Percent weights allocated to deposit: 100.0%
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.

2,267,961 metric ton ore; Combined with production?: no; Provisional entry?: yes; Resource category: possible resource
Grade-commodity information:Cu: 2 percent
Reference: Anonymous, 1974: Canerpa Ajax Report; Project Report, Publication code 536
Percent weights allocated to deposit: 100.0%

Generated 2015-01-27 17:14:23 with GQuery -- 3.7 ADO (3.19..3.22 -- 2008-12-16)
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