Ontario Geological Survey
Permanent Link to this Record:
MDI31C12SE00033
| Record Name(s) | Pearce - 1984, Severn - 1984 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Developed Prospect Without Reported Reserves or Resources |
| Date Created | 1984-Feb-29 |
| Date Last Modified | 2024-Mar-19 |
| Created By | |
| Revised By |
Primary Commodities: Gold
Secondary Commodities: Silver, Arsenic
Township or Area: Marmora
Latitude: 44° 30' 29.03" Longitude: -77° 36' 56.31"
UTM Zone: 18 Easting: 292089.671 Northing: 4931632.737 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31C12SE
Point Location Description: As shaft symbol in lot 8, conc. VIII.
Location Method: Conversion from MDI
Access Description: The Pearce mine is located immediately southeast of Deloro and approximately 5 km northeast of Marmora. It lies east of the Moira River, south of the major tailings pile from the Deloro deposit.
1889: The GSC assayed a mineralized sample taken from the Severn mine, 0.175 oz/ton Au, and no silver. 1893: The property owned by Mr. Pearce, was optioned by the Hastings Mining and Reduction Company. An inclined shaft was excavated and 27 feet of drifting was completed on the 42 foot level. Over 300 tons of material was milled. Approximately 100 ounces of gold was recovered. 1894: The property was reverted back to Mr. Pearce. 1900-1903: The property was acquired by the Atlas Gold and Arsenic Mining Company. In 1901 the shaft was excavated to a depth of 165 feet. The stamp mill was re-opened and the facilities were shared by the Five Acre Mine. New hoisting apparatus was installed and in 1903 development continued and additional material was milled. 1904: Property acquired by the Cleveland Mining Company and extended the shaft to a depth of 185 feet. 1907: Mr. H.E. Lawson leased the property from the Cleveland Mining Company. 1908: 302 oz Au and 60 oz Ag were extracted from 239 tons of milled ore. 1935: The Canadian Straub Mining Machinery Company sent a 1 ton sample of mineralization the Mines Branch, Ottawa. The sample assayed 0.785 oz/ton Au, 0.05 oz/ton Ag, 2.17 percent As. 1936: The Centaur Mining Company Limited completed 70 feet of shaft sinking and 86 feet of drifting and cross cutting. Total amount of development 281 feet shaft-sinking, 651 feet drifting and crosscutting (See OFR 5548, p331-333 for details.)
Province: Grenville
Subprovince: Central Metasedimentary Belt
Terrane: Elzevir
Domain: Belmont
Geological Age: Proterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Granite | 1 | Granite | Adjacent |
|---|---|---|---|---|
| Vein | 2 | Contains |
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 5 | Arsenopyrite | Economic | Ore | ||||
| 10 | Chalcopyrite | Economic | Ore | ||||
| 15 | Gold | Economic | Ore | ||||
| 20 | Pyrite | Economic | Ore | ||||
| 25 | Pyrrhotite | Economic | Ore |
Mar 19, 2024 (Mateo Dorado-Troughton) - In 1935, the Canadian Straub Mining Machinery Co sent a 1 ton sample of mineralization to the Mines Branch, Ottawa. The sample assayed 0.785 oz/ton Au, 0.05 oz/ton Ag, 2.17 percent As (OFR5537).
| Rank | Characteristic |
|---|---|
| 1 | Vein |
| Year | Tonnes | Commodities | Reference | Comment |
|---|---|---|---|---|
| 1908 | 217 |
Silver 60 Ounces Gold 302 Ounces |
OFR5548 p.332 | |
| 1893 | 272 |
Gold 100 Ounces |
OFR5548 p.332 |
Publication - Arsenic-bearing deposits in Canada; Geological Survey of Canada, Economic Geology Series 4
Publication Number: Econ Geol 4 Page: 103 Date: 1996
Author: Hurst, M.E.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/102439
Publication - Gold occurrences of Ontario east of lake Superior; Geological Survey of Canada, Memoir 192
Publication Number: GSC Mem 192 Page: 118-119 Date: 1936
Author: Kindle, E D
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/100824
Part - The gold fields of Ontario
Publication Number: ARV03.002 Page: 53 Date: 1998
Author: Blue A.
Publisher Name: Ontario Bureau of Mines
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: 36-37 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: 24 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: 105 Date: 1984
Author: Carter T.R.
Publisher Name: Ontario Geological Survey
Location:
Mono - Geology of Belmont, Marmora, and southern Methuen townships, Peterborough and Hastings counties
Publication Number: OFR5537 Page: 189 Date: 1985
Author: Bartlett J.R., Moore J.M.
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: 331-4 Date: 1985
Author: Malczak J., Carter T.R., Springer J.S.
Publisher Name: Ontario Geological Survey
Location:
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