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Ontario Geological Survey
Permanent Link to this Record:
MDI52P04SE00003
Record Name(s) | August Lake - 1985, Miscellaneous - 1985 |
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Related Record Type | Simple |
Related Record(s) | |
Record Status | Occurrence |
Date Created | 1985-Jul-29 |
Date Last Modified | 2022-Jun-24 |
Created By | |
Revised By |
Primary Commodities: Iron
Township or Area: August Lake Area
Latitude: 51° 3' 4.2" Longitude: -89° 33' 14.18"
UTM Zone: 16 Easting: 321000.69 Northing: 5658618.38 UTM Datum: NAD83
Resident Geologist District: Thunder Bay North
NTS Grid: 52P04SE
Point Location Description: Precise
Location Method: Conversion from MDI
1967-69: Magnetometer survey and diamond drilling by Algoma Steel.
Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
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52P04SE0010A1 | 52P04NE0081 | 52P04NE0081 |
10 | 52P04SE8945 | 52P04SE8945 |
Province: Superior
Subprovince: English River
Geological Age: Neoarchean
Nov 09, 2006 (Mark Puumala) - The August Lake occurrence is described by Shlanka (1968) as an iron formation consisting of two zones that are approximately 1600 m by 60 m and 850 m by 45 m. These zones were delineated during a ground magnetometer survey. The stratigraphic log for Algoma Steel diamond drill hole AL-6-69 indicates that approximately 35 m of iron formation was encountered. Hornblende-biotite schist was logged above (south) of the iron formation, while olivine gabbro was noted below (north). This occurrence is located in a similar setting to that found nearby at Heart Attack Lake (Sage and Breaks 1982).
Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
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5 | Magnetite | Economic | Ore |
Nov 09, 2006 (R Tuomi) - Depth - Grade - 1969: Algoma DDH #Al-6-69 intersects 2 bands of IF (up To 25% magnetite).
Rank | Classification |
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1 | Sedimentary |
Rank | Characteristic |
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1 | Stratiform |
Map - Cat Lake-Pickle Lake, geological compilation series, Kenora and Thunder Bay districts
Publication Number: M2218 Scale: 1:253,440 Date: 1976
Author: Sage R.P., Breaks F.W., Troup W.R.
Publisher Name: Ontario Division of Mines
Location:
Mono - Iron deposits of Ontario
Publication Number: MDC011 Page: 453 Date: 1968
Author: Shklanka R.
Publisher Name: Ontario Dept. of Mines
Location:
MonoMap - Geology of the Cat Lake-Pickle Lake area, districts of Kenora and Thunder Bay
Publication Number: R207 Page: 173-174 Date: 1982
Author: Sage R.P., Breaks F.W.
Publisher Name: Ontario Geological Survey
Location:
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For detailed information regarding this mineral record please contact the Thunder Bay North Resident Geologist District Office