Ontario Geological Survey
Permanent Link to this Record:
MDI31M05SE00155
| Record Name(s) | Rothschild Cobalt Co. Ltd. - 1907, Dreadnought Mines Ltd. - 1909, Silver Heart Group - 1952, C. Reinhardt (Estate) - 1968, Ragged Chutes Silver Mines Ltd. - 1967, Silver Century Resources - 1986 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Developed Prospect Without Reported Reserves or Resources |
| Date Created | 1991-Feb-01 |
| Date Last Modified | 2023-Aug-03 |
| Created By | |
| Revised By |
Primary Commodities: Silver
Secondary Commodities: Cobalt
Township or Area: Coleman, Coleman
Latitude: 47° 21' 47.26" Longitude: -79° 39' 29.02"
UTM Zone: 17 Easting: 601327.64 Northing: 5246391.48 UTM Datum: NAD83
Resident Geologist District: Kirkland Lake
NTS Grid: 31M05SE
Point Location Description: Drill hole D-1
Location Method: Data Compilation
1907-1909: Rothschild Cobalt Co. Ltd. – trenching, diamond drilling, 2 shafts. 1909-1919: Dreadnought Mines Ltd.- property taken over by C.R. Reinhardt interests. 1952: Silver Heart Mines Ltd. – DD- 19. 1986: Silver Century Explorations Ltd. – DD-16-2409, ft.;1998: Falconbridge Mines Ltd. – DD-1-125 m.; HLEM.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| Falconbridge Ltd./ 2.18645 | 31M05SE2003 | 31M05SE2003 |
| 63.4933 | 31M05NE0149 | 31M05NE0149 |
Province: Southern
Subprovince: Cobalt Basin
Supergroup: Huronian Supergroup
Formation Group: Cobalt Group
Geological Age: Paleoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Felsic lava flow-unsubdivided | 1 | Pillowed | Hanging Wall |
|---|---|---|---|---|
| Gabbroid-Unsubdivided | 2 | Intrudes | ||
| Diorite | 3 | Diorite | Intrudes |
Aug 01, 2017 (A Wilson) - Nioissing diabase occurs in the north part of the property. In the south part of the property, the diabase dips gently SSE under steeply dipping pillowed andesite that faces northeast and strikes northwest. The Keewatin andesite is intruded by a coarse dioritic sill. The Columbus quartz diabase sill strikes west – northwest across claims 134 and 414. The Columbus Fault extends west- northwest into claim 134.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Chalcopyrite | Economic | Ore | ||||
| 3 | Silver | Economic | Ore |
Aug 01, 2017 (A Wilson) - Assay samples from the diamond drill program returned values ranging from 50.47oz/t. over 4 ft. (DD 1) 47.18 oz./t over 1.6 ft.; 47.18 oz. over 1.6 ft.; 228.96 oz./t over 0.8 ft.; 18.11 oz. Ag over1 ft. and 96.42 oz. over 1 ft. (DD 12); 150.13 oz. over 1.1 ft. (DD 13); and 65.17 oz. Ag 1.3 ft. Small ore grade shoot: 10m long, tested to depth 25m, assays to 1730g/t Ag/1.22m (50.5oz/4.0'),
Article - Cobalt Resident Geologist's area, Northeastern Region
Publication Number: MP134.008 Page: 226 Date: 1997
Author: Owsiacki L.
Publisher Name: Ontario Geological Survey
Location:
Compend - Report of activities, 1988, Resident Geologists
Publication Number: MP142 Date: 1989
Author: Fenwick K.G., Giblin P.E., Pitts A.E.
Publisher Name: Ontario Geological Survey
Location:
Map - Cobalt silver area, southeastern sheet, Timiskaming District
Publication Number: M2052 Scale: 1:12,000 Date: 1997
Author: Thomson R.
Publisher Name: Ontario Dept. of Mines
Location:
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