Axinite GroupSiscoe Mine, Nichol Township, Gowganda area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada
Photo: Maggie Wilson Latitude: 47°39'55"N
Longitude: 80°44'16"W
Also known as the Miller Lake O'Brien Mine, or simply the O'Brien Mine*. It is a silver-cobalt mine discovered in 1908, acquired by the Miller Lake Co.in 1909 and then Siscoe Mines Limited in 1945. The workings had reached a depth of 1300 feet by 1962 (as reported in "Precambrian" magazine June 1962 issue).
Total production up to 1965 was 36,830,000 oz. Ag and 786,000lbs Co.
*Note; There is also an O'Brien Mine in Coleman Township, near Cobalt.
References
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
OGS 1978, Rpt.175, Geology of the Gowganda Lake-Miller Lake silver area, District of Timiskaming, W.H. McIlwaine
Mineral List
18 entries listed. 17 valid minerals.
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