Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI42L07NW00009

Record: MDI42L07NW00009

General

Mineral Record Identification
Record Name(s) Warren - 1968, Tombill-Warren - 1968
Related Record Type Simple
Related Record(s)
Record Status Occurrence
Date Created 1991-Jan-23
Date Last Modified 2022-Mar-02
Created By
Revised By

Commodities

Primary Commodities: Copper, Nickel



Location

Township or Area: Maun Lake Area

Latitude: 50° 28' 11.99"    Longitude: -86° 57' 48.82"

UTM Zone: 16    Easting: 502586   Northing: 5590890    UTM Datum: NAD83

Resident Geologist District: Thunder Bay North

NTS Grid: 42L07NW

Point Location Description: Drill hole locations from Assessment report 42L07NW0012

Location Method: Data Compilation



Exploration History

1968: Tombill Mines Ltd. carried out geological mapping, trenching, sampling, EM and mag surveys, and drilled 7 DDH totalling 345.6 m. 1980: Amax Mineral Exploration Ltd. conducted aerial magnetic surveys. 1982: Amax conducted trenching. 1984: Lacana carried out geological mapping, sampling, line cutting, magnetometer and VLF-EM surveys.


Assessment Work on File

Assessment Work on File
Office File Number Online Assessment File Identifier Online Assessment File Directory
63.2420 42L07NW0017 42L07NW0017
13 42L07NW0012 42L07NW0012
63.4520 42L07NW0006 42L07NW0006
2.7615 42L07NW0005 42L07NW0005

Geology

Province: Superior

Subprovince: Wabigoon

Belt: O'Sullivan Lake

Geological Age: Archean  



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Intermediate lava flow-unsubdivided 1 Andesite Sheared Host
Quartz-Feldspar Porphyry 2 Quartz-Feldspar Porphyry Near

Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1ChalcopyriteEconomicOre
2PyriteEconomicOre
3PyrrhotiteEconomicOre

Mineralization Comments

Jun 27, 2019 (Therese Pettigrew) - The best assays from the 1968 drill program returned 1.09% Cu and 0.7% Ni over 1.5 m in DDH 4 (Assessment report 42L07NW0017). Samples from the work done in 1984 by Lacana returned very low gold values (maximum 75 ppb Au) (Assessment report 42L07NW0006).



Mineral Record Details

Characteristics
Rank Characteristic            
1 Sheared

References

Folio - Maun Lake area, District of Thunder Bay

Publication Number: GDIF018 Scale:     Date: 1997

Author: Thunder Bay RGO

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