Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI000000002502

Record: MDI000000002502

General

Mineral Record Identification
Record Name(s) Auger Lake - 2021
Related Record Type
Related Record(s)
Record Status Occurrence
Date Created 2021-Mar-31
Date Last Modified 2022-Jun-15
Created By
Revised By

Commodities

Primary Commodities: Iron



Location

Township or Area: Hurst Lake Area, Petawanga Lake Area

Latitude: 51° 21' 57.69"    Longitude: -88° 23' 36.24"

UTM Zone: 16    Easting: 402999   Northing: 5691450.99    UTM Datum: NAD83

Resident Geologist District: Thunder Bay North

NTS Grid: 52P08NW, 52P08SW

Point Location Description: Sample 14BA403B from MRD334

Location Method: Field Visit with GPS



Exploration History

No assessment reports were found on file.


Geology

Province: Superior

Subprovince: Uchi

Terrane: North Caribou

Domain: Uchi

Belt: Miminiska-Fort Hope

Geological Age: Archean  



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Ironstone-unsubdivided 1 Is

Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1PyrrhotiteEconomicOre
2MagnetiteEconomicOre
1GarnetEconomicGangue

Mineralization Comments

Mar 31, 2021 (Therese Pettigrew) - Sample 14BA403B returned 22.25 wt% Fe from a silicate iron formation: Garnetiferous amphibolite with varied magnetism (weak to strong). Medium- to coarse-grained with 25-85% poikiloblastic flattened anhedral garnets, pink, 1-2 cm, no pyrrhotite or magnetite seen, but likely present in trace quantities. Small felsic lenses (MRD334).



Mineral Record Details

References

Data - Geological, Geochemical and Geophysical Data from the Attwood Lake Area, Fort Hope Greenstone Belt, Northwestern Ontario

Publication Number: MRD334 Date: 2016

Author: Azar B.

Publisher Name: Ontario Geological Survey

Location:


Map - Precambrian Geology of the Attwood Lake Area, Fort Hope Greenstone Belt

Publication Number: P3800 Scale: 1:50,000    Date: 2016

Author: Azar B., Ferguson S.A., Mayer C.

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 North Resident Geologist District Office