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Ontario Geological Survey
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MDI31C12SW00005
| Record Name(s) | Cordova - 1984 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Past Producing Mine With Reserves or Resources |
| Date Created | 1984-Feb-29 |
| Date Last Modified | 2022-Oct-12 |
| Created By | |
| Revised By |
Primary Commodities: Gold
Township or Area: Marmora
Latitude: 44° 31' 8.22" Longitude: -77° 46' 4.1"
UTM Zone: 18 Easting: 280035.492 Northing: 4933240.806 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31C12SW
Point Location Description: The W shaft on Cordova Mines in Lot 20, Con 1.
Location Method: Conversion from MDI
Access Description: About midway along the boundary between Belmont and Marmora Townships. SE of the village of Cordova Mines and readily accessible by townships roads.
1890-1893: H.T. Strickland discovered gold in 1890. 1891 - property acquired by a syndicate comprised of Messrs. Carscallen, O'Neil, Strickland and Burnham who sunk the No. 1 shaft to a depth of 32 m, excavated several open cuts, and raised about 1000 tons of ore. The property was optioned by Middleton Crawford on Oct. 7, 1982 for one year. Mr. Crawford constructed a mill and is reported to have removed about $5,000 worth of gold. 1898-1903: Property optioned and later purchased from A.W. Carscallen by the Cordova Exploration Co. Ltd. 8 shafts sunk. During this period a total of 17,101 oz of gold are reported to have been produced from 70,185 tons of sorted ore milled. 1911-1917: Cordova Mines Ltd. purchased the mine. No. 3 shaft deepened, two new levels were started and a large amount of stoping completed. The mill was overhauled and several test runs on ore were made. Operations were ceased in 1917. 1933-1940: Mine was dewatered and sampled by the Consolidated Mining and Smelting Co. of Canada Ltd. and they purchased the property in 1935. A total of 3487 oz of gold and 150 oz of silver were produced from 33,434 tons ore milled. 1948: Surface rights were sold to H.R. Bowen. 1954: Mineral rights were sold to H.R. Bowen. 1964-1965: Property was acquired by Orvana Mines Ltd. A resistivity survey was performed, as well as diamond drilling for a total of 622 m in 10 drill holes. Additional drilling totalling 184.4 m was completed. Surface ore dumps and tailings ponds were systematically sampled and measured. 1980-1982: Property bought by Cordova Gold Syndicate known as Lasir Gold Inc. Heap leaching tests were conducted on part of a surface stockpile of development ore and a small tonnage of tailings were processed. Feasibility study on reopening of the mine for production completed (OFR 5548).
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 63.4012 | 31C12SE0059 | 31C12SE0059 |
Dec 07, 2005 (C Papertzian) - Mineral location - but no trespassing.
| Rock Type | Rank | Composition | Texture | Relationship | Diorite | 1 | Diorite | Near |
|---|---|---|---|---|
| Mylonite/Fault Gouge/Pseudotachylite | 2 | Shear Zone | Adjacent | |
| Vein | 3 | Contains |
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 5 | Apatite | Economic | Ore | ||||
| 10 | Arsenopyrite | Economic | Ore | ||||
| 15 | Gold | Economic | Ore | ||||
| 20 | Pyrite | Economic | Ore | ||||
| 25 | Pyrrhotite | Economic | Ore | ||||
| 30 | Silver | Economic | Ore | ||||
| 35 | Serpentine | Economic | Ore |
| Zone | Year | Category | Tonnes | Reference | Comments | Commodities |
|---|---|---|---|---|---|---|
| Surface Dumps | 1988 | Probable | 30000 | Cominco - 1988 | Imperial tons, grade - oz/ton | Gold .05 NA |
| Underground | 1988 | Probable | 115982 | Cominco - 1988 | Imperial tons, grade - oz/ton | Gold .21 NA |
| Tailings | 1988 | Probable | 80000 | Cominco - 1988 | Imperial tons, grade - oz/ton | Gold .04 NA |
| Year | Tonnes | Commodities | Reference | Comment |
|---|---|---|---|---|
| 1940 | 30330 |
Silver 150 Ounces Gold 3487 Ounces |
OFR5548 p.247 | |
| 1917 | 14960 |
Silver 537 Ounces Gold 2186 Ounces |
OFR5548 p.247 | |
| 1903 | 63670 |
Gold 17101 Ounces |
OFR5548 p.247 |
Part - Mineral occurrences in the Haliburton area
Publication Number: ARV52-02 Page: 36-40 Date: 1998
Author: Satterly J.
Publisher Name: Ontario Dept. of Mines
Location:
Article - The geology and preliminary metallogenetic classification of metallic mineral deposits of the Grenville Province of southeastern Ontario
Publication Number: MP090.034 Page: 199-207 Date: 1997
Author: Carter T.R., Colvine A.C.
Publisher Name: Ontario Geological Survey
Location:
Mono - Gold deposits of Ontario, part 2, part of District of Cochrane, districts of Muskoka, Nipissing, Parry Sound, Sudbury, Timiskaming, and counties of southern Ontario
Publication Number: MDC018 Page: 38 Date: 1979
Author: Gordon J.B., Lovell H.L., de Grijs J.W., Davie R.F.
Publisher Name: Ontario Geological Survey
Location:
Mono - Gold development potential in eastern Ontario
Publication Number: OFR5379 Page: 3-4,6-7,9,28-2 Date: 1982
Author: Kingston P.W., Papertzian V.C.
Publisher Name: Ontario Geological Survey
Location:
Mono - Metallogeny of the Grenville Province, southeastern Ontario
Publication Number: OFR5515 Page: 332-349,103 Date: 1984
Author: Carter T.R.
Publisher Name: Ontario Geological Survey
Location:
MonoMap - Base metal, molybdenum and precious metal deposits of the Madoc-Sharbot Lake area, southeastern Ontario
Publication Number: OFR5548 Page: 239-248 Date: 1985
Author: Malczak J., Carter T.R., Springer J.S.
Publisher Name: Ontario Geological Survey
Location:
Mono - An inventory of the mineral resources in Peterborough County
Publication Number: OFR5635 Page: 40-43 Date: 1987
Author: Menard A.G.
Publisher Name: Ontario Geological Survey
Location:
Mono - The Precambrian-Paleozoic unconformity and related mineralization in southeastern Ontario
Publication Number: OFR5751 Page: 106-8 Date: 1991
Author: DiPrisco G., Springer J.S.
Publisher Name: Ontario Geological Survey
Location:
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For detailed information regarding this mineral record please contact the Southern Ontario Resident Geologist District Office