Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI41J06NE00049

Record: MDI41J06NE00049

General

Mineral Record Identification
Record Name(s) Demorest Lake - 1985, Copp Lake - 1985
Related Record Type Simple
Related Record(s)
Record Status Occurrence
Date Created 1991-Sep-01
Date Last Modified 2022-Sep-13
Created By
Revised By

Commodities

Primary Commodities: Uranium, Thorium



Location

Township or Area: Montgomery

Latitude: 46° 23' 19.88"    Longitude: -83° 6' 54.67"

UTM Zone: 17    Easting: 337369.066   Northing: 5139427.378    UTM Datum: NAD83

Resident Geologist District: Sault Ste. Marie

NTS Grid: 41J06NE

Point Location Description: General

Location Method: Conversion from MDI

Access Description: 500 metres north of the midpoint of the northeast arm of Copp Lake, 3.1 kilometres west of the east boundary of Montgomery Township.



Exploration History

Wakefield Uranium Mines Ltd. drilled a hole to 1358 feet which Rio Tinto Canadian Explor. Ltd. depeened to 3946 feet in 1966.


Assessment Work on File

Assessment Work on File
Office File Number Online Assessment File Identifier Online Assessment File Directory
Montgomery-0011-B1 41J06NE0086 41J06NE0086

Geology

Province: Southern

Subprovince: Cobalt Basin

Supergroup: Huronian Supergroup

Geological Age: Paleoproterozoic  



Geology Comments

Dec 07, 2005 (P Beach) - Two thin bands of uraniferous, pebbly, feldspathic quartzite of the Matinenda Formation were intersected at 3562 feet below surface. Assays gave the following results: 3516 - 3517 feet 0.11% U3O8, 0.22% ThO2; 3562 - 3563.8 feet 0.07% U3O8, 0.14% ThO2. (OGS 1983 MDC 25 P 65).




Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1QuartzEconomicGangue
2CarbonateEconomicGangue

Mineral Record Details

References

Map - Geology, Wakwekobi Lake-Dean Lake area, District of Algoma, Ontario; Geological Survey of Canada, "A" Series Map 1415A

Publication Number: Map 1415A Scale: 1:50,000    Date: 1975

Author: Frarey, M J

Publisher Name: Geological Survey of Canada

Location: https://doi.org/10.4095/109096


Mono - Uranium and thorium deposits of northern Ontario

Publication Number: MDC009 Page: 10  Date: 1968

Author: Robertson J.A.

Publisher Name: Ontario Dept. of Mines

Location:


Mono - Uranium and thorium deposits of northern Ontario

Publication Number: MDC025 Page: 65  Date: 1984

Author: Robertson J.A., Gould K.L.

Publisher Name: Ontario Geological Survey

Location:


Publication - Sudbury Timmins Algoma Mineral Program, Project 1: mineral inventory of the Sudbury-Timmins-Sault Ste. Marie region, Ontario

Publication Number: GSC OF 1087 Page: 83  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