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Deer Horn Mine (Cross Lake O'Brien Mine), Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada

Acanthite
Deer Horn Mine, Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada

Photo: Dan & Diana Weinrich Minerals
Latitude: 47°23'27"N
Longitude: 79°38'43"W
Staked in 1907, silver bearing veins were not discovered until 1923. the mine was developed by three shafts to a depth of 1,020ft. The mine was shut down sometime around 1970. Total production was approx. 19 million oz. of Ag; 700,000lbs of Co; 160,000lbs. Cu; and 32,000lbs. Ni

References

ontariominerals.com
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


Mineral List

Acanthite
Allargentum
Arsenopyrite
Breithauptite
Calcite
Chalcopyrite
Cobaltite
Dolomite
Dyscrasite
Erythrite
Galena
Gersdorffite
Löllingite
Marcasite
Nickeline
Nickelskutterudite
var: Chloanthite

Proustite
Pyrargyrite
Pyrite
Pyrrhotite
Rammelsbergite
Safflorite
Silver
Skutterudite
Skutterudite
var: Smaltite

Sphalerite
Stephanite
Tetrahedrite
Ullmannite


29 entries listed. 27 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Jobs in Ontario, Canada Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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