Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI31C10SW00047

Record: MDI31C10SW00047

General

Mineral Record Identification
Record Name(s) Calvert - 1981
Related Record Type Simple
Related Record(s)
Record Status Occurrence
Date Created 1981-Dec-09
Date Last Modified 2022-Apr-29
Created By
Revised By

Commodities

Primary Commodities: Molybdenum



Location

Township or Area: Sheffield

Latitude: 44° 32' 34.99"    Longitude: -76° 55' 36.11"

UTM Zone: 18    Easting: 346944.23   Northing: 4933996.772    UTM Datum: NAD83

Resident Geologist District: Southern Ontario

NTS Grid: 31C10SW

Point Location Description: Precise

Location Method: Conversion from MDI

Access Description: The Calvert occurrence is located approximately 8 km northeast of the town of Tamworth in the south part of Sheffield township. It is accessible from Tamworth by all-weather gravel roads and a vehicle trail from Carroll Lake north to Sixth Depot Lake. The approximate location of the occurrence is 2.5 road km north of Carroll Lake (OFR 5548, p.173).



Exploration History

1916: approximately 130 kg of material assayed at 0.89 % molybdenite was shipped to the Mines Branch in Ottawa for analysis. 1917: Mr. Kelly of Tamworth was hired by the Cameron Mining Company. After surface stripping, one ton of material at 0.91 % molybdenite was tested by the Mines Branch in Ottawa. Approximately 13 pounds of molybdenite was extracted (Eardley-Wilmot 1925, p.78).




Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
5MolybdeniteEconomicOre
10PyriteEconomicOre

Mineral Record Details

References

Publication - Molybdenum metallurgy and uses and the occurrence, mining and concentration of its ores; Canada Mines Branch, Publication 592

Publication Number: CMB Pub 592 Page: 78  Date: 1925

Author: Eardley-Wilmot, V L

Publisher Name: Canada Mines Branch

Location: https://doi.org/10.4095/307785


Book - Canadian deposits of uranium and thorium; Geological Survey of Canada, Economic Geology Series 16

Publication Number: Econ Geol 16 Page: 169  Date: 1962

Author: Lang, A H; Griffith, J W; Steacy, H R

Publisher Name: Geological Survey of Canada

Location: https://doi.org/10.4095/102450


MonoMap - Geological notes for maps nos. 2053 and 2054, Madoc-Gananoque area

Publication Number: S012 Page: 31  Date: 1997

Author: Hewitt D.F.

Publisher Name: Ontario Dept. of Mines

Location:


Mono - Molybdenum deposits of Ontario

Publication Number: MDC007 Page: 50  Date: 1968

Author: Johnston F.J.

Publisher Name: Ontario Dept. of Mines

Location:


Mono - Metallogeny of the Grenville Province, southeastern Ontario

Publication Number: OFR5515 Page: 137  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: 173-4  Date: 1985

Author: Malczak J., Carter T.R., Springer J.S.

Publisher Name: Ontario Geological Survey

Location:


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