Ontario Geological Survey
Permanent Link to this Record:
MDI42C07SE00040
Record Name(s) | Dumas Copper Occurrence - 1963 |
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Related Record Type | Simple |
Related Record(s) | |
Record Status | Occurrence |
Date Created | 1991-Jan-08 |
Date Last Modified | 2022-Sep-07 |
Created By | |
Revised By |
Primary Commodities: Copper
Township or Area: Dumas
Latitude: 48° 19' 50.95" Longitude: -84° 42' 21.3"
UTM Zone: 16 Easting: 670026.16 Northing: 5355613.72 UTM Datum: NAD83
Resident Geologist District: Sault Ste. Marie
NTS Grid: 42C07SE
Point Location Description: Blasted trench on south side of highway
Location Method: Data Compilation
Access Description: The occurrence is located on the south side of Highway 519 approximately 3 km west of the Twin Lake side road.
1963: Algoma Central Railway Exploration Department - sampling. 1967: R. Godin - trenching, prospecting.
Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
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Dumas 0010-B1 | 42C07SE0001 | 42C07SE0001 |
0010A1 | 42C08NE0047 | 42C08NE0047 |
Province: Superior
Subprovince: Wawa
Terrane: Wawa-Abitibi
Geological Age: Neoarchean Geochronological Age: 2700 MA Geochron. Age Ref.: GOO VOL 1 P. 511
Rock Type | Rank | Composition | Texture | Relationship | Tonalite | 1 | Host |
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Dec 07, 2005 (A Wilson) - The occurrence is described as consisting of a streak of chalcopyrite within a mafic streak in foliated granite. The darker streak is probably a melanosome enclosed within the batholith.
Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
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1 | Chalcopyrite | Economic | Ore | ||||
2 | Malachite | Economic | Ore | ||||
3 | Bornite | Economic | Ore |
Dec 07, 2005 (A Wilson) - A grab sample of the mineralized material returned an assay of 2.4% Cu.
Map - Geological compilation series, Wawa sheet, districts of Algoma and Sudbury
Publication Number: P0640 Scale: 1:126,720 Date: 1997
Author: Leahy E.J., Rupert R.J., Giblin P.E., Giguere J.F.
Publisher Name: Ontario Dept. of Mines and Northern Affairs
Location:
Folio - Dumas Township, District of Algoma
Publication Number: GDIF290 Date: 1997
Author: Sault Ste Marie RGO
Publisher Name: Ontario Geological Survey
Location:
Map - Manitouwadge-Wawa sheet, geological compilation series, Algoma, Cochrane, Sudbury and Thunder Bay districts
Publication Number: M2220 Scale: 1:253,440 Date: 1972
Author: Milne V.G., Giblin P.E., Bennett G., Thurston P.C., Wolfe W.J., Giguere J.F., Leahy E.J., Rupert R.J.
Publisher Name: Ontario Division of Mines
Location:
Map - Precambrian Geology Compilation Series - White River Sheet
Publication Number: M2666 Scale: 1:250,000 Date: 2001
Author: Santaguida F.
Publisher Name: Ontario Geological Survey
Location:
Mono - Wawa mineral deposits data base
Publication Number: OFR5775 Page: 167 Date: 1991
Author: Frey E.D., Stewart R.C.
Publisher Name: Ontario Geological Survey
Location:
Mono - Copper, nickel, lead and zinc deposits of Ontario
Publication Number: MDC012 Page: 108 Date: 1969
Author: Shklanka R.
Publisher Name: Ontario Dept. of Mines
Location:
Book - Sudbury Timmins Algoma Mineral Program, Project 1: mineral inventory of the Sudbury-Timmins-Sault Ste. Marie region, Ontario
Publication Number: GSC OF 1087 Page: 125 Date: 1985
Author: Rose, D. G.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/129999
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For detailed information regarding this mineral record please contact the Sault Ste. Marie Resident Geologist District Office