Ontario Geological Survey
Permanent Link to this Record:
MDI31M03NW00024
| Record Name(s) | Marathon Silver Mines Ltd. - 1911, Marathon Mines - 1911, J.F. Cooper Property - 1968, Claim T49654 - 1968, Agnico Mines Ltd. - 1970 |
|---|---|
| Related Record Type | Compound |
| Related Record(s) | |
| Record Status | Developed Prospect Without Reported Reserves or Resources |
| Date Created | 1980-Aug-25 |
| Date Last Modified | 2022-Sep-27 |
| Created By | |
| Revised By |
Primary Commodities: Silver, Cobalt, Nickel
Secondary Commodities: Copper
Township or Area: South Lorrain
Latitude: 47° 12' 54.43" Longitude: -79° 27' 53.57"
UTM Zone: 17 Easting: 616238 Northing: 5230213 UTM Datum: NAD83
Resident Geologist District: Kirkland Lake
NTS Grid: 31M03NW
Point Location Description: Shaft
Location Method: AMIS Site Visit
Access Description: From North Cobalt, highway 567 to Silver Centre. Continue for 27.65km. First shaft is located on east side of road less than 15m.
1911: Marathon Silver Mines Ltd. - trenching, pitting; 3 shafts developed. 1920-30: N. Oslund - prospecting. circa 1939: 16 pounds of cobalt shipped from this site in 1939. 1961: J. Cooper - DD-1-530 ft.
Province: Southern
Subprovince: Cobalt Basin
Supergroup: Huronian Supergroup
Formation Group: Cobalt Group
Geological Age: Paleoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Diabase | 1 | Diabase | Host |
|---|---|---|---|---|
| Quartz Arenite | 2 | Adjacent | ||
| Vein | 3 | Host |
Aug 16, 2017 (A Wilson) - The diabase shows quartz-feldspar micrographic intergrowth on the surface. A shaft appears to have been put down at the junction of two fractures.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Smaltite | Economic | Ore | ||||
| 2 | Niccolite | Economic | Ore | ||||
| 3 | Chalcopyrite | Economic | Gangue |
Aug 16, 2017 (A Wilson) - Two fractured zones containing calcite seams host Co and Ni ores. These zones strike east-west across almost the entire width of the claim. Secondary fractures extend north-south. Grab samples collected from the site in 1920 assayed: 14.75% Co, 10.23% Ni, oz/t Ag; and 7.43% Co, 22.13% Ni and 8 oz/t Ag.
| Rank | Classification |
|---|---|
| 1 | Vein (Cobalt-Type) |
| Rank | Characteristic |
|---|---|
| 1 | Vein |
| Year | Tonnes | Commodities | Reference | Comment |
|---|---|---|---|---|
| 1911 | 1 | MDI | Sixteen pounds of cobalt were reportedly recovered from this site |
File - Resident Geologist files CO-1884
Publication Number: Date:
Author:
Publisher Name:
Location: Kirkland Lake RGP office
Map - South Lorrain Township, Timiskaming District
Publication Number: M2194 Scale: 1:31,680 Date: 1970
Author: McIlwaine W.H.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Silver cobalt calcite vein deposits of Ontario
Publication Number: MDC010 Page: 418-419, 432 Date: 1968
Author: Sergiades A.O.
Publisher Name: Ontario Dept. of Mines
Location:
MonoMap - Geology of south Lorrain Township, District of Timiskaming
Publication Number: R083 Page: 47-48 Date: 1970
Author: McIlwaine W.H.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Geological Compilation of the Cobalt-Temagami Area, Abitibi Greenstone Belt
Publication Number: P3581 Scale: 1:100,000 Date: 2006
Author: Ayer J.A., Chartrand J.E., Grabowski G.P.B., Josey S.D., Rainsford D.R.B., Trowell N.F.
Publisher Name: Ontario Geological Survey
Location:
Map - South Lorrain Township (north part), District of Timiskaming
Publication Number: P0289 Scale: 1:15,840 Date: 1997
Author: McIlwaine W.H.
Publisher Name: Ontario Dept. of Mines
Location:
Part - Geology of the mine workings of Cobalt and South Lorrain silver areas
Publication Number: ARV31-02.001 Page: 196-197 Date: 1998
Author: Knight C.W.
Publisher Name: Ontario Dept. of Mines
Location:
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