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Keeley-Frontier Mine (Canadian Keeley; Frontier Mine; Keeley Mine), South Lorrain Township, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada

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Latitude & Longitude (WGS84): 47° 11' 57'' North , 79° 30' 20'' West
Latitude & Longitude (decimal): 47.19917,-79.50556
GeoHash:G#: f0rkwb3g4
Locality type:Mine
Köppen climate type:Dfb : Warm-summer humid continental climate


Two mines on the opposite end of the same vein system that connected underground. The Keeley being the oldest discovered in 1907. The Frontier mine was developed in 1921 and connected to the Keely Mine on the Keeley 6th level in 1962. The mines extend to a depth of 1455ft. They were shut down in 1965. The Woods vein is famous for having the deepest oxidation zone and greatest abundance of secondary enrichment minerals of all the mines in the region.
Total production for the two mines was 19,200,000 oz. of Ag; 3,300,000 lbs. of Co; 27,000 lbs. of Ni; and 10,000 lbs Cu.

NOTE: Great caution must be exercised when collecting in the area because of many unmarked open holes and uncapped shafts.



Mineral List

Mineral list contains entries from the region specified including sub-localities

50 valid minerals. 4 (TL) - type locality of valid minerals.

Regional Geology

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

Siderian
2300 - 2500 Ma



ID: 3185030
Paleoproterozoic sedimentary rocks

Age: Siderian (2300 - 2500 Ma)

Stratigraphic Name: Cobalt Group

Comments: Southern Province

Lithology: Mudstone

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Neoarchean - Mesoarchean
2500 - 3200 Ma



ID: 621910
Mafic to intermediate metavolcanic rocks

Age: Archean (2500 - 3200 Ma)

Comments: Superior Province

Lithology: Basaltic and andesitic flows, tuffs and breccias, chert, iron formation, minor metasedimentary and intrusive rocks, related migmatites

Reference: Ontario Geological Survey. 1:250 000 scale bedrock geology of Ontario. ISBN 978-1-4435-5705-4. Miscellaneous Release–Data 126 - Revision 1. [1]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License


Localities in this Region
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Canada
  • Ontario
    • Timiskaming District
      • Cobalt-Gowganda region
        • South Lorrain Township
          • Keeley-Frontier Mine (Canadian Keeley; Frontier Mine; Keeley Mine)

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
WALKER, T.L. & PARSONS, A.L. (1921): Rammelsbergite from Cobalt. University of Toronto Studies, Contributions to Canadian Mineralogy 12, 27-31.
PEACOCK, M.A. & MICHENER, C.E. (1939): On rammelsbergite from Ontario. University of Toronto Studies, Contributions to Canadian Mineralogy 42, 95-112.
PEACOCK, M.A. (1939): Rammelsbergite and pararammelsbergite, distinct orthorhombic forms of NiAs2. American Mineralogist 24, 10-11 (abstr.).
PEACOCK, M.A. & DADSON, A.S. (1940): On rammelsbergite and pararammelsbergite: distinct forms of nickel diarsenide. American Mineralogist 25, 561-577.
Sergiades, A.O. (1968) Silver Cobalt Calcite Vein Deposits of Ontario, Ontario Dept. of Mines, MRC No.10,
FLEET, M.E. (1972): The crystal structure of pararammelsbergite NiAs2. Am. Mineral. 57, 1-9.
Anderson, V. (1982) Microminerals. Mineralogical Record 13, 109.
Mineralogical Record (1990): 21: 104.
Sabina, Ann P., 2000. Rocks and Minerals for the Collector: Cobalt-Belleterre-Timmins, Ontario and Quebec, GSC. Miscellaneous Report 57, 266 p.
Sejkora, J., F.C. Hawthorne, M.A. Cooper, J.D. Grice, J. Vajdak and J.L. Jambor (2009): Burgessite, a new arsenate mineral species from the Keeley Mine, South Lorrain Township, Ontario, Canada. Canadian Mineralogist 47, 159-164.
Cooper, M.A. & Hawthorne, F.C. (2009): The crystal structure of burgessite, and its relation to erythrite. Canadian Mineralogist, 47, 165-172.

Mineral and/or Locality  
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