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Ontario Geological Survey
Permanent Link to this Record:
MDI42C07SW00023
Record Name(s) | North Syenite Lake Shear - 1990 |
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Related Record Type | Simple |
Related Record(s) | |
Record Status | Discretionary Occurrence |
Date Created | 2000-Dec-07 |
Date Last Modified | 2022-Sep-09 |
Created By | |
Revised By |
Primary Commodities: Gold
Township or Area: Knicely
Latitude: 48° 15' 30.96" Longitude: -84° 59' 9.76"
UTM Zone: 16 Easting: 649476.2 Northing: 5347003.85 UTM Datum: NAD83
Resident Geologist District: Sault Ste. Marie
NTS Grid: 42C07SW
Point Location Description: Shear zone on north side of Syenite Lake
Location Method: Data Compilation
Access Description: The easiest access to the site is by overland traverse from Perry Bay of Kabenung Lake.
1938: O'Brien Gold Mines - mapping, sampling. 1953: Algoma Ore Properties - airborne geophysics. 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 |
Province: Superior
Subprovince: Wawa
Terrane: Wawa-Abitibi
Belt: Michipicoten
Geological Age: Archean
Rock Type | Rank | Composition | Texture | Relationship | Intermediate Tuff | 1 | Tuff, Sheared | Host |
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Gabbro | 2 | Gabbro | Sheared | Host |
Ironstone-unsubdivided | 3 | Sheared | Near |
Dec 07, 2005 (A Wilson) - The shear zone occurs at the contact between intermediate metavolcanics, gabbro and iron formation. The shear zone is characterized by chlorite-carbonate schists and quartz-ankerite veins. These veins are up to 30 cm in width. Barren quartz veins are also present, but are highly disrupted.
Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
---|---|---|---|---|---|---|---|
1 | Pyrite | Economic | Gangue | ||||
2 | Chalcopyrite | Economic | Gangue | ||||
Ankerite | Alteration | Carbonatization | 1 | Weak | Replacement | ||
Chlorite | Alteration | Chloritic | 2 | Weak | Replacement |
Shape | Length | Thickness | Depth | Strike | Dip | Plunge | Trend | Age | Reference |
---|---|---|---|---|---|---|---|---|---|
Unknown | 2500 | 5 | 45 |
Map - Precambrian Geology, Knicely Township
Publication Number: OFM0220 Scale: 1:15,840 Date: 1993
Author: Sage R.P.
Publisher Name: Ontario Geological Survey
Location:
MonoMap - Geology of Killins, Knicely and Lalibert Townships, District of Algoma
Publication Number: OFR5589 Date: 1993
Author: Sage R.P.
Publisher Name: Ontario Geological Survey
Location:
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:
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For detailed information regarding this mineral record please contact the Sault Ste. Marie Resident Geologist District Office