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Ontario Geological Survey
Permanent Link to this Record:
MDI31M05NE00203
| Record Name(s) | Lake George Cobalt Silver Mining Co. Ltd. - 1907, Green Lake - 1973, D. Burton - 1973, Cruz Cobalt Corp. - 2017 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1980-Oct-31 |
| Date Last Modified | 2022-Mar-02 |
| Created By | |
| Revised By |
Primary Commodities: Silver, Cobalt
Secondary Commodities: Copper
Township or Area: Coleman
Latitude: 47° 23' 12.35" Longitude: -79° 43' .22"
UTM Zone: 17 Easting: 596854.63 Northing: 5248943.52 UTM Datum: NAD83
Resident Geologist District: Kirkland Lake
NTS Grid: 31M05NE
Point Location Description: Shaft
Location Method: Data Compilation
1910: Lake George Cobalt Silver Mining Co. Ltd. – 3 shafts excavated. 1973-76:D. Burton: DD-6-1395 ft. 1995: Falconbridge Ltd. – magnetic and pulse-EM surveys. 2006: Dean Earl Karn: overburden stripping and pitting.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| CO-0585/ 34 | 31M05NE0152 | 31M05NE0152 |
| 2.16210 | 31M05NE0126 | 31M05NE0126 |
| 2.32761 | 20000001485 | 20000001485 |
| 2.15607 | 31M05NE0103 | 31M05NE0103 |
| CO-0585/30 | 31M05NE0158 | 31M05NE0158 |
Province: Southern
Subprovince: Cobalt Basin
Supergroup: Huronian Supergroup
Formation Group: Cobalt Group
Geological Age: Paleoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Mafic pillowed flow | 1 | Basalt | Pillowed | Contains |
|---|---|---|---|---|
| Diabase | 2 | Diabase | Host | |
| Vein | 3 | Quartz-Carbonate | Host | |
| Lamprophyre-Unsubdivided | 4 | Host |
Jul 28, 2017 (A Wilson) - The claim is underlain by Keewatin rocks which have been intruded by lamprophyre dikes and other basic intrusives as well as a quartz diabase dike presumably of Keweenawan age. A well-marked northerly topographic depression through Green Lake may indicate the presence of a fault.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Silver | Economic | Ore | ||||
| 3 | Chalcopyrite | Economic | Gangue | ||||
| 4 | Pyrite | Economic | Gangue |
| Rank | Characteristic |
|---|---|
| 1 | Stratabound |
Map - Cobalt silver area, northern sheet, Timiskaming District
Publication Number: M2050 Scale: 1:12,000 Date: 1997
Author: Thomson R.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Silver cobalt calcite vein deposits of Ontario
Publication Number: MDC010 Scale: Date: 1968
Author: Sergiades A.O.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Preliminary report on parts of Coleman Township and Gillies Limit to the south and southwest of Cobalt
Publication Number: PR1960-03 Scale: Date: 1998
Author: Thomson R.
Publisher Name: Ontario Dept. of Mines
Location:
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For detailed information regarding this mineral record please contact the Kirkland Lake Resident Geologist District Office