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Ontario Geological Survey
Permanent Link to this Record:
MDI42C07SW00022
| Record Name(s) | South Syenite Lake Shear - 1990 |
|---|---|
| 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' 27.67" Longitude: -84° 58' 29.87"
UTM Zone: 16 Easting: 650301.19 Northing: 5346923.84 UTM Datum: NAD83
Resident Geologist District: Sault Ste. Marie
NTS Grid: 42C07SW
Point Location Description: Narrow NE trending shear zone on south shore of Syenite Lake
Location Method: Data Compilation
Access Description: The best access to the site is via overland traverse from Perry Bay on 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 | Gabbro | 1 | Gabbro | Sheared | Host |
|---|---|---|---|---|
| Intermediate Tuff | 2 | Tuff, Sheared | Host |
Dec 07, 2005 (A Wilson) - The shear zone is characterized by strong pervasive silicification and potassic alteration. The shear lies at the contact between a gabbroic sill and intermediate tuffaceous rocks.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Pyrite | Economic | Gangue | ||||
| 2 | Chalcopyrite | Economic | Gangue | ||||
| Silica | Alteration | Silicification | 1 | Medium | Replacement |
Dec 07, 2005 (A Wilson) - The best assay obtained from a grab sampe was 140 ppb Au.
| Shape | Length | Thickness | Depth | Strike | Dip | Plunge | Trend | Age | Reference |
|---|---|---|---|---|---|---|---|---|---|
| Unknown | 1500 | 1.5 | 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