Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI000000002046

Record: MDI000000002046

General

Mineral Record Identification
Record Name(s) Drude (Higgins Lake) Occurrence - 1955, North Group Drude Occurrence - 1955
Related Record Type
Related Record(s)
Record Status Occurrence
Date Created 2016-Oct-27
Date Last Modified 2023-Mar-15
Created By
Revised By

Commodities

Primary Commodities: Uranium, Thorium

Secondary Commodities: Zircon, Magnetite



Location

Township or Area: Cavendish

Latitude: 44° 46' 14.42"    Longitude: -78° 21' 54.67"

UTM Zone: 17    Easting: 708491   Northing: 4960853    UTM Datum: NAD83

Resident Geologist District: Southern Ontario

NTS Grid: 31D16SW

Point Location Description: DDH just north of property symbol ' 7 '.

Location Method: Data Compilation

Access Description: From Buckhorn travel 27.1 km north on Hwy 507.



Exploration History

1955: Drude Uranium Mines - scintillometer and geological surveys, trenching and DDH-5-1925 ft. 1968: Briar Court Mines Limited – pitting, sampling. 1969: Louvicourt Goldfields Corporation – magnetometer and scintillometer surveys and DD-3-229.2 m. 1970: R.W. Drude – DD-2-683 ft. 1975-77: R.W. Drude- geophysical survey; trenching and sampling.


Assessment Work on File

Assessment Work on File
Office File Number Online Assessment File Identifier Online Assessment File Directory
Cavendish #3/63.727/Drude Uranium Mines Ltd. 31D16SW8547 31D16SW8547
27 31D16SW8551 31D16SW8551
63.2421 31D16NW8543 31D16NW8543
2.2354 31D16SW8537 31D16SW8537
2.2258 31D16SW9000 31D16SW9000

Geology

Province: Grenville

Subprovince: Central Metasedimentary Belt

Terrane: Elzevir

Geological Age: Mesoproterozoic  



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Granite 1 Leucogranite Contains
Pegmatite 2 Granitic Pegmatite Contains

Lithology Comments

Jan 18, 2017 (A Wilson) - The granite pegmatite mass has an exposed width of 33.5 m, with the west side being in contact with diopside rock. In the north half of lot 16 concession 9, the radioactive mineralization is located within a red to deep brick-red leucogranite with pegmatitic patches.




Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1AllaniteEconomicOre
2ZirconEconomicOre
3UranothoriteEconomicOre

Mineralization Comments

Jan 18, 2017 (A Wilson) - Assays ranged from 0.03% U3O8 to 0.12% U3O8. One drill core sample assayed 0.09% U3O8 over 0.5 ft. In 1977, assays on trench samples ranged from 0.004 to 0.171% U3O8.



Mineral Record Details

Classification
RankClassification            
1 Paleoplacer
Characteristics
Rank Characteristic            
1 Disseminated

References

Mono - An inventory of the mineral resources in Peterborough County

Publication Number: OFR5635 Page: 219-220  Date: 1987

Author: Menard A.G.

Publisher Name: Ontario Geological Survey

Location:


Mono - Uranium and thorium deposits of southern Ontario

Publication Number: OFR5311 Page: 480  Date: 1981

Author: Gordon J.B., Rybak U.C., Robertson J.A.

Publisher Name: Ontario Geological Survey

Location:


Mono - Uranium and thorium deposits of southern Ontario

Publication Number: MDC004 Page: 60  Date: 1967

Author: Hewitt D.F.

Publisher Name: Ontario Dept. of Mines

Location:


Mono - Pegmatite mineral resources of Ontario

Publication Number: IMR021 Page: 55  Date: 1997

Author: Hewitt D.F.

Publisher Name: Ontario Dept. of Mines

Location:


Map - Precambrian Geology of Cavendish Township and Environs, Grenville Province

Publication Number: P3605 Scale: 1:20,000    Date: 2010

Author: Easton R.M.

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