Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI42C01NE00033

Record: MDI42C01NE00033

General

Mineral Record Identification
Record Name(s) Dalton Project - 1956, Dalton-Frobisher Prospect - 1969
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

Commodities

Primary Commodities: Copper, Iron



Location

Township or Area: Dolson

Latitude: 48° 9' 19.19"    Longitude: -84° 12' 1.18"

UTM Zone: 16    Easting: 708206.16   Northing: 5337355.65    UTM Datum: NAD83

Resident Geologist District: Sault Ste. Marie

NTS Grid: 42C01NE

Point Location Description: Drill collars in central Dolson Township

Location Method: Based on Assessment

Access Description: The site is most easily accessible by helicopter. Alternatively, the site can be reached by overland traverse from the west shore of Matchinameigus Lake.



Exploration History

1955-60: Frobisher Limited and Hopkins Exploration Consultants Limited - airborne geophysics, ground geophysics, gamma radiation survey, mapping, 7 ddh (2995 ft).


Assessment Work on File

Assessment Work on File
Office File Number Online Assessment File Identifier Online Assessment File Directory
Dolson 0012 42C01NE8797 42C01NE8797
Dolson 0013 42C01NE0419 42C01NE0419
Dolson 0015 42C01NE8667 42C01NE8667
Dolson 0010-B1 42C01NE0415 42C01NE0415

Geology

Province: Superior

Subprovince: Wawa

Terrane: Wawa-Abitibi

Belt: Michipicoten

Tectonic Assemblage: Catfish

Geological Age: Neoarchean   Geochronological Age: 2700 MA   Geochron. Age Ref.: OFR 5888



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Magnetite Ironstone 1 Magnetite Facies Host
Claystone 2 Argillite Near
Mafic lava flow-unsubdivided 3 Near

Lithology Comments

Dec 07, 2005 (A Wilson) - Diamond drilling intersected about 8 feet of iron formation containing narrow bands of pyrrhotite. The iron formation is interbedded with mafic metavolcanic rocks and wacke-argillite metasedimentary rocks.




Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1MagnetiteEconomicOre
1PyrrhotiteEconomicGangue
2ChalcopyriteEconomicGangue

Mineralization Comments

Dec 07, 2005 (A Wilson) - A grab samples collected in 1956 returned 0.05% Cu, 0.07% Cu over 7 feet and 0.06% Cu over 5.5 feet.



Mineral Record Details

References

Map - Matchinameigus Lake, Algoma District

Publication Number: M2483 Scale: 1:31,680    Date: 1983

Author: Downes M.J.

Publisher Name: Ontario Geological Survey

Location:


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:


Mono - Iron deposits of Ontario

Publication Number: MDC011 Page: 46  Date: 1968

Author: Shklanka R.

Publisher Name: Ontario Dept. of Mines

Location:


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

Publication Number: MDC012 Page: 76  Date: 1969

Author: Shklanka R.

Publisher Name: Ontario Dept. of Mines

Location:


MonoMap - Geology of the Matchinameigus Lake area, District of Algoma

Publication Number: R233 Page: 32  Date: 1983

Author: Downes M.J.

Publisher Name: Ontario Geological Survey

Location:


Mono - Wawa mineral deposits data base

Publication Number: OFR5775 Page: 166  Date: 1991

Author: Frey E.D., Stewart R.C.

Publisher Name: Ontario Geological Survey

Location:


Folio - Dolson Township, District of Algoma

Publication Number: GDIF298 Date: 1997

Author: Sault Ste Marie RGO

Publisher Name: Ontario Geological Survey

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: 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