Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI41N13SW00009

Record: MDI41N13SW00009

General

Mineral Record Identification
Record Name(s) Selco DDH 59-3 - 1959, Millar Copper Property - 1959
Related Record Type Simple
Related Record(s)
Record Status Occurrence
Date Created 1983-Dec-16
Date Last Modified 2023-Mar-29
Created By
Revised By

Commodities

Primary Commodities: Copper



Location

Township or Area: Michipicoten Island Area

Latitude: 47° 46' 34.21"    Longitude: -85° 47' 13.21"

UTM Zone: 16    Easting: 590874.28   Northing: 5292135.25    UTM Datum: NAD83

Resident Geologist District: Sault Ste. Marie

NTS Grid: 41N13SW

Point Location Description: Selco DDH 3

Location Method: Based on Assessment

Access Description: The site is accessible by boat from Michipicoten Harbour, a distance of approximately 85 km.



Exploration History

1956: Aries Copper Mines Ltd. - ground geophysical survey. 1958: W. N. Millar - prospecting. 1958-59: Selco Exploration Co. Ltd. - 4 ddh (905 ft), soil survey.


Assessment Work on File

Assessment Work on File
Office File Number Online Assessment File Identifier Online Assessment File Directory
41N13SE0011 41N13SE0007 41N13SE0007
41N13SW0010A1 41N13SW0008 41N13SW0008
41N13SW9244 20000004978 20000004978

Geology

Province: Superior

Subprovince: Wawa

Terrane: Wawa-Abitibi

Geological Age: Mesoproterozoic   Geochronological Age: 1.1 MA   Geochron. Age Ref.: GOO VOL 1



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Mafic lava flow-unsubdivided 1 Olivine Tholeiit Amygduloidal Host

Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1CopperEconomicOre
2SilverEconomicOre

Mineralization Comments

Dec 07, 2005 (A Wilson) - The best intersection obtained by Selco was 1.12% Cu over 0.5 ft in ddh 1. Other assays ranged from0.01% Cu over 1.5 ft to 0.05% over 1 ft. An assay of 7.68% Cu was obtained in ddh 3 over 0.3 ft from a calcite-prehnite vein. Native silver was noted in the core, but assays were inconclusive.



Mineral Record Details

References

Map - Geology, Michipicoten Island, Ontario; Geological Survey of Canada, "A" Series Map 1353A

Publication Number: Map 1353a Scale: 1:50,000    Date: 1974

Author: Annells, R N

Publisher Name: Geological Survey of Canada

Location: https://doi.org/10.4095/109070


Mono - Copper, nickel, lead and zinc deposits of Ontario

Publication Number: MDC012 Page: 309  Date: 1969

Author: Shklanka R.

Publisher Name: Ontario Dept. of Mines

Location:


Publication - Keweenawan volcanic rocks of Michipicoten Island, Lake Superior, Ontario, an eruptive centre of Proterozoic age; Geological Survey of Canada, Bulletin no. 218

Publication Number: Bull 218 Page: 109-112  Date: 1975

Author: Annells, R.N.

Publisher Name: Geological Survey of Canada

Location: https://doi.org/10.4095/103500


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: 172  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