Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI41P10NW00036

Record: MDI41P10NW00036

General

Mineral Record Identification
Record Name(s) Castlebar-Brunhurst - 1991, Millcrest - 1950
Related Record Type Simple
Related Record(s)
Record Status Occurrence
Date Created 1991-Mar-22
Date Last Modified 2024-Jul-08
Created By
Revised By

Commodities

Primary Commodities: Cobalt, Silver



Location

Township or Area: Nicol

Latitude: 47° 39' 35.74"    Longitude: -80° 43' 10.97"

UTM Zone: 17    Easting: 521045.134   Northing: 5278541.822    UTM Datum: NAD83

Resident Geologist District: Kirkland Lake

NTS Grid: 41P10NW

Point Location Description: Diamond drill hole

Location Method: Conversion from MDI



Exploration History

1950s: drilling (4 DDH, 448.45 m). 1976: Milner Cons Silver Mines Ltd. data compilation


Geology

Province: Southern

Subprovince: Cobalt Basin

Supergroup: Huronian Supergroup

Formation Group: Cobalt Group

Geological Age: Paleoproterozoic  



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Vein 1 Calcite Host
Diabase 2 Contains
Feldspar Porphyry 3 Near
Undetermined lava flow-unsubdivided 4 Mafic to intermediate lava flows Keewatin Near

Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1SilverEconomicOre
2NiccoliteEconomicOre
3CalciteEconomicGangue

Mineralization Comments

Dec 06, 2022 (Q Unknown) - Vein at vertical depth 183 m: Calc-Niccolite -nat. Ag intersected; vein has core length of 1.07 m. No assays. Geology: depth to top of diabase is 128 m.



Mineral Record Details

References

File - Resident Geologist file CO-1691

Publication Number: Date:

Author:

Publisher Name:

Location: Kirkland Lake RGP office


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Ministry Contact Information

For detailed information regarding this mineral record please contact the Kirkland Lake Resident Geologist District Office