Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI52A10SW00015

Record: MDI52A10SW00015

General

Mineral Record Identification
Record Name(s) MacKenzie River Fault Ag - 1984
Related Record Type Simple
Related Record(s)
Record Status Discretionary Occurrence
Date Created 1992-Mar-25
Date Last Modified 2022-Mar-02
Created By
Revised By

Commodities

Primary Commodities: Silver



Location

Township or Area: Macgregor

Latitude: 48° 34' 11.56"    Longitude: -88° 50' 18.6"

UTM Zone: 16    Easting: 364376.3   Northing: 5381274.5    UTM Datum: NAD83

Resident Geologist District: Thunder Bay South

NTS Grid: 52A10SW

Point Location Description: N/A

Location Method: Conversion from MDI



Exploration History

1984-85: This area was mapped by OGS staff member J. Scott. No assessment reports were found on file.


Geology

Province: Superior

Subprovince: Quetico

Geological Age: Archean  



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Intermediate lava flow-unsubdivided 1

Lithology Comments

Mar 24, 2020 (Therese Pettigrew) - OGS map P2985 shows the area as having sheared amphibolite (Scott, 1986).




Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1PyriteEconomicOre
1QuartzEconomicGangue

Mineralization Comments

Mar 24, 2020 (Therese Pettigrew) - 03/17/2020 (T Pettigrew) – A zone of quartz stockwork and silicification exists north of the hydro line north of Birch Beach. Some of the larger quartz veins are up to 30 cm wide and exhibit pyrite gossan in places. One grab sample from the area returned values of trace gold and 0.76 oz/t Ag (Scott, 1986).



Mineral Record Details

References

Map - Geological series, Precambrian geology, MacGregor Township, east half, District of Thunder Bay

Publication Number: P2985 Scale: 1:15,840    Date: 1986

Author: Scott J.F., Sequin J.M.

Publisher Name: Ontario Geological Survey

Location:


MonoMap - Geology of MacGregor Township

Publication Number: OFR5719 Scale:     Date: 1990

Author: Scott J.F.

Publisher Name: Ontario Geological Survey

Location:


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Ministry Contact Information

For detailed information regarding this mineral record please contact the Thunder Bay South Resident Geologist District Office