Ontario Geological Survey
Permanent Link to this Record:
MDI42C02SW00019
| Record Name(s) | Gros Cap Reserve Occurrence - 1962, Lendrum D Iron Formation - 1968 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1991-Jan-08 |
| Date Last Modified | 2022-Sep-12 |
| Created By | |
| Revised By |
Primary Commodities: Iron
Township or Area: Lendrum
Latitude: 48° 0' 29.12" Longitude: -84° 52' 30.56"
UTM Zone: 16 Easting: 658475.33 Northing: 5319383.69 UTM Datum: NAD83
Resident Geologist District: Sault Ste. Marie
NTS Grid: 42C02SW
Point Location Description: Iron formation in NE corner of Gros Cap I.R.
Location Method: Data Compilation
Access Description: The site is accessible via Highway 17 North to a road located approximately 1 km south of BlackTrout Lake. Drive west for approximately 1.3 km. The iron formation is situated in the northeast corner of the Gros Cap reserve.
1962: Indian and Northern Affairs - metallurgical testing. 1979: Aerodat - airborne geophysics 1982: Indian Minerals East - ground geophysical survey.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| Lendrum-0013-D1 | 42C02SW1302 | 42C02SW1302 |
| Lendrum-0013-C1 | 42C02SW1301 | 42C02SW1301 |
| BOSTWICK 0012 | 41N15NW0006 | 41N15NW0006 |
Province: Superior
Subprovince: Wawa
Terrane: Wawa-Abitibi
Belt: Michipicoten
Tectonic Assemblage: Catfish
Geological Age: Neoarchean Geochronological Age: 2.7 MA Geochron. Age Ref.: GOO VOL 1
Metamorphism Type: Regional
Metamorphism Grade: Greenschist
| Rock Type | Rank | Composition | Texture | Relationship | Oxide Ironstone | 1 | Oxide Facies | Host |
|---|---|---|---|---|
| Intermediate Tuff | 2 | Tuff | Near |
Dec 07, 2005 (A Wilson) - The iron formation is composed of banded magnetite-chert facies iron formation. It is interbedded with intermediate to felsic metavolcanic rocks and narrow gabbroic intrusions.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Magnetite | Economic | Ore |
Dec 07, 2005 (A Wilson) - The 70 lb shipment analysed for the First Nation assayed 17.83% Fe, 3.61% S, 0.06% Ph, 0.06% TiO and 2.02% As. Magnetic concentration of the sample produced a concentrate which assayed 66.1% Fe, 1.2% S and 0.02% Ph.
File - Resident Geologist files WP Lendrum-2, WP Lendrum-14
Publication Number: Date:
Author:
Publisher Name:
Location: SSM RGP office
Map - Geological series, Precambrian geology, Lendrum Township and parts of Gros Cap I.R. 49, Algoma District
Publication Number: P2681 Scale: 1:15,840 Date: 1983
Author: Massey N.W.D., Jennings E.A.
Publisher Name: Ontario Geological Survey
Location:
Map - Michipicoten area, compilation sheet, District of Algoma
Publication Number: P0184 Scale: 1:126,720 Date: 1997
Author: Goodwin A.M.
Publisher Name: Ontario Dept. of Mines
Location:
Book - Lendrum Township - unpublished GDIF
Publication Number: GDIF Date: 1987
Author: Resident Geologist Staff
Publisher Name:
Location: Timmins RGP
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: 78 Date: 1968
Author: Shklanka R.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Geology of the Mishewawa Lake area, District of Algoma
Publication Number: OFR5532 Page: 94 Date: 1985
Author: Massey N.W.D.
Publisher Name: Ontario Geological Survey
Location:
Mono - Wawa mineral deposits data base
Publication Number: OFR5775 Page: 255 Date: 1991
Author: Frey E.D., Stewart R.C.
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: 54 Date: 1985
Author: Rose, D. G.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/129999
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