Ontario Geological Survey
Permanent Link to this Record:
MDI41N15SE00006
| Record Name(s) | Mishewawa Lake Iron Formation - 1906, Deep Lake Iron Formation - 1935, Algoma Steel Anomaly #20 - 1981 |
|---|---|
| Related Record Type | Compound |
| Related Record(s) | |
| Record Status | Discretionary Occurrence |
| Date Created | 1983-Dec-16 |
| Date Last Modified | 2022-Sep-27 |
| Created By | |
| Revised By |
Primary Commodities: Iron
Secondary Commodities: Sulphur/Pyrite
Township or Area: Naveau
Latitude: 47° 52' 31.94" Longitude: -84° 41' 23.47"
UTM Zone: 16 Easting: 672735.97 Northing: 5305050.6 UTM Datum: NAD83
Resident Geologist District: Sault Ste. Marie
NTS Grid: 41N15SE
Point Location Description: Ridge of iron formation on north side of Mishewawa Lake
Location Method: Other Literature
Access Description: The site is accessible by driving east from Highway 17 along the Scott Falls access road. Cross the power dam and follow a sequence of disused bush roads south of the power line on the south side of the Michpicoten River. The occurrence is located on a northwest-trending ridge situated between Mishewawa Lake and Cabin Lake.
1906: discovery of iron formation. 1962: Algoma Central and Hudson Bay Railway - airborne geophysics. 1981-82: Algoma Steel Corporation - ground geophysics, prospecting. 1992: Reed Lake Explorations Ltd. - prospecting, mapping.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| Naveau-0013-E1 | 41N15SE0011 | 41N15SE0011 |
Province: Superior
Subprovince: Wawa
Terrane: Wawa-Abitibi
Belt: Michipicoten
Geological Age: Neoarchean
Metamorphism Type: Regional
Metamorphism Grade: Greenschist
| Rock Type | Rank | Composition | Texture | Relationship | Oxide Ironstone | 1 | Oxide-Facies | Host |
|---|---|---|---|---|
| Mafic Schist | 2 | Mafic Metavolcanic | Near |
Dec 07, 2005 (A Wilson) - The iron formation is described as consisting of banded silica and magnetite. It is associated with schistose mafic metavolcanic rocks.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Magnetite | Economic | Ore | ||||
| 1 | Pyrite | Economic | Gangue | ||||
| 2 | Limonite | Economic | Gangue |
Dec 07, 2005 (A Wilson) - No assays are reported associated with this occurrence.
| Rank | Classification |
|---|---|
| 1 | Sedimentary |
| Shape | Length | Thickness | Depth | Strike | Dip | Plunge | Trend | Age | Reference |
|---|---|---|---|---|---|---|---|---|---|
| Regular | 120 | 90 |
File - Resident Geologist files WP Naveau-2, WP_Rabazo-22, WP Nebonaionquet.2
Publication Number: Date:
Author:
Publisher Name:
Location: SSM RGP office
Map - Geological series, Precambrian geology, Naveau Township, Algoma District
Publication Number: P2683 Scale: 1:15,840 Date: 1983
Author: Massey N.W.D., Navratil S., Jennings E.A.
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:
Folio - Naveau Township, District of Algoma
Publication Number: GDIF134 Date: 1997
Author: Sault Ste Marie RGO
Publisher Name: Ontario Geological Survey
Location:
Publication - Michipicoten River area, Ontario; Geological Survey of Canada, Summary Report (1932), D
Publication Number: GSC SR 1932 D Date: 1933
Author: Matheson, A.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/103117
Part - Iron ranges of eastern Michipicoten
Publication Number: ARV15-01.008 Page: 180-181 Date: 1998
Author: Coleman A.P., Moore E.S.
Publisher Name: Ontario Bureau of Mines
Location:
Mono - Iron deposits of Ontario
Publication Number: MDC011 Page: 63 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: 110-112 Date: 1985
Author: Massey N.W.D.
Publisher Name: Ontario Geological Survey
Location:
Mono - Wawa mineral deposits data base
Publication Number: OFR5775 Page: 296 Date: 1991
Author: Frey E.D., Stewart R.C.
Publisher Name: Ontario Geological Survey
Location:
Mono - Report Of The Ontario Iron Ore Committee With Appendix 1923
Publication Number: NSP013 Page: 195 Date: 1998
Author:
Publisher Name:
Location: Timmins RGP
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: 183 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