Ontario Geological Survey
Permanent Link to this Record:
MDI52H07SE00002
| Record Name(s) | Black Sturgeon SE - 1901, Sturgeon Escarpment - 1901 |
|---|---|
| Related Record Type | Simple |
| Record Status | Discretionary Occurrence |
| Date Created | 1991-Mar-25 |
| Date Last Modified | 2021-Dec-15 |
| Created By | Q Unknown |
| Revised By | Therese Pettigrew |
Primary Commodities: Iron, Hematite (Nonmetals)
Township or Area: Graydon
Latitude: 49° 17' 52.74" Longitude: -88° 46' 33.04"
UTM Zone: 16 Easting: 370890 Northing: 5462099 UTM Datum: NAD83
Resident Geologist District: Thunder Bay South
NTS Grid: 52H07SE
Point Location Description: General
Location Method: Conversion from MDI
Access Description: The Sturgeon Escarpment occurrence is found on the face of a prominent fault escarpment 3/4 mile east of the southern end of Black Sturgeon Lake.
1901-02: claims staked on the hematite showings. No assessment reports were found on file.
Province: Superior
Subprovince: Quetico
Geological Age: Archean
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Hematite | Economic | Ore |
Jul 31, 2019 (Therese Pettigrew) - The mineralization consists of narrow lenses of specular hematite localized in tension fractures associated with the major faulting. Lenses seldom exceed 3 feet in length and l inch in thickness; the average is much smaller. The host rocks are Keewatin-type mafic volcanics (Coates, 1972).
Map - Black Sturgeon Lake iron district
Publication Number: ARM18A Scale: 1:63,360 Date: 1998
Author: Coleman A.P.
Publisher Name: Ontario Bureau of Mines
MonoMap - Geology of the Black Sturgeon River area, District of Thunder Bay
Publication Number: R098 Scale: Date: 1972
Author: Coates M.E.
Publisher Name: Ontario Dept. of Mines and Northern Affairs
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For detailed information regarding this mineral record please contact the Thunder Bay South Resident Geologist District Office