Mensilvo Mine (Silver Bar Mine), Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada
|Latitude & Longitude (WGS84):||47° 22' 25'' North , 79° 40' 58'' West|
|Latitude & Longitude (decimal):||47.37373,-79.68272|
|Köppen climate type:||Dfb : Warm-summer humid continental climate|
First developed by Silver Bar Mining Co. from 1905-1912, then by several other companies including Mensilvo Mines limited. The last company to operate the mine was Silver Summit Mining from 1962-1964. Total production was 375,000 oz. Ag and 150,000 lbs. cobalt.
16 valid minerals. 1 erroneous literature entry.
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
1600 - 2500 Ma
|Huronian Supergroup (2.2 Ga to 2450 Ma); Cobalt Group; Gowganda Formation|
Age: Proterozoic (1600 - 2500 Ma)
Stratigraphic Name: Huronian Supergroup (2.2 Ga to 2450 Ma); Cobalt Group; Gowganda Formation
Comments: Southern and Superior Province
Reference: Ontario Geological Survey. 1:250 000 scale bedrock geology of Ontario. ISBN 978-1-4435-5705-4. Miscellaneous Release–Data 126 - Revision 1. 
Sabina, Ann P., 2000. Rocks and Minerals for the Collector: Cobalt-Belleterre-Timmins, Ontario and Quebec, GSC. Miscellaneous Report 57, 266 p.
Ontario Dept. of Mines, 1968, MRC No.10, Silver Cobalt Calcite Vein Deposits of Ontario, by A.O.Sergiades