Ontario Geological Survey
Permanent Link to this Record:
MDI42C03NW00004
| Record Name(s) | Iron Lake Copper Occurrence - 1938 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Discretionary Occurrence |
| Date Created | 1991-Jan-08 |
| Date Last Modified | 2022-Sep-09 |
| Created By | |
| Revised By |
Primary Commodities: Copper
Secondary Commodities: Gold
Township or Area: Keating
Latitude: 48° 14' 2.67" Longitude: -85° 16' 54.75"
UTM Zone: 16 Easting: 627581.35 Northing: 5343744.03 UTM Datum: NAD83
Resident Geologist District: Sault Ste. Marie
NTS Grid: 42C03NW
Point Location Description: Silicified zone at contact between mafic sill and mafic metavolcanic rocks
Location Method: Data Compilation
Access Description: The site is accessible via the Eagle River Mine/Paint Lake road. Drive west along the road for approximately 16 km to the bridge over the University River. Take the Iron Lake bush road north west for approximately 6 km to the boat launch on the lake. The occurrence is located on the north side of Iron Lake approximately 500 m north of the lake.
1938: O'Brien Gold Mines Limited - mapping, prospecting. 1980-84: International Corona Resources Ltd. - airborne geophysics, ground geophysics, mapping, soil survey. 1989-90: Corona Corporation - mapping, sampling.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| WP Corbiere-14 | 42C06SE0002 | 42C06SE0002 |
| Keating-0010-A1 | 42C06SE0018 | 42C06SE0018 |
| Keating-0017 | 42C07SW0031 | 42C07SW0031 |
| Keating-0018 | 42C06SE0036 | 42C06SE0036 |
Province: Superior
Subprovince: Wawa
Terrane: Wawa-Abitibi
Belt: Michipicoten
Geological Age: Archean
Metamorphism Type: Regional
Metamorphism Grade: Greenschist
| Rock Type | Rank | Composition | Texture | Relationship | Mafic Schist | 1 | Mafic Metavolcanics | Host |
|---|---|---|---|---|
| Intermediate Schist | 2 | Intermediate Metavolcanics | Host | |
| Vein | 3 | Quartz | Host |
Dec 07, 2005 (A Wilson) - Mineralization is reportedly hosted in a silicified zone along the sheared contact between mafic metavolcanics and gabbro. The veins are generally 1 foot or less in width although some veins range up to 3.5 feet in width.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Chalcopyrite | Economic | Ore | ||||
| 1 | Pyrite | Economic | Gangue | ||||
| 2 | Pyrrhotite | Economic | Gangue |
Dec 07, 2005 (A Wilson) - Grab samples collected by International Corona returned values of 1290 ppm Cu, 1410 ppm Zn and 19 ppb Au.
Map - Geology of the Iron Lake Area
Publication Number: OFM0116 Scale: 1:15,840 Date: 1988
Author: Reilly B.A.
Publisher Name:
Location:
Book - Keating & Keating Additional - unpublished GDIF
Publication Number: GDIF Date: 1987
Author: Resident Geologist Staff
Publisher Name:
Location: Timmins RGP
Map - University River, Algoma and Thunder Bay districts
Publication Number: M2333 Scale: 1:63,360 Date: 1976
Author: Bennett G., Thurston P.C., Giguere J.F.
Publisher Name: Ontario Division of Mines
Location:
Map - Operation Pukaskwa, districts of Algoma and Thunder Bay
Publication Number: P0541 Scale: 1:126,720 Date: 1997
Author: Bennett G., Thurston P.C., Giguere J.F.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Copper, nickel, lead and zinc deposits of Ontario
Publication Number: MDC012 Page: 109 Date: 1969
Author: Shklanka R.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Wawa mineral deposits data base
Publication Number: OFR5775 Page: 224 Date: 1991
Author: Frey E.D., Stewart R.C.
Publisher Name: Ontario Geological Survey
Location:
Mono - Geology of the Iron Lake area
Publication Number: OFR5783 Date: 1991
Author: Reilly B.A.
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: 96 Date: 1985
Author: Rose, D. G.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/129999
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