Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI42A12SE00019

Record: MDI42A12SE00019

General

Mineral Record Identification
Record Name(s) Walcoro Porcupine Mines Claim 31360 - 1940, Jonpol Explorations Ltd. DDH 84-1 - 1984
Related Record Type Simple
Related Record(s)
Record Status Occurrence
Date Created 1991-Jan-22
Date Last Modified 2022-Sep-27
Created By
Revised By

Commodities

Primary Commodities: Gold



Location

Township or Area: Robb

Latitude: 48° 32' 48.88"    Longitude: -81° 39' 22.13"

UTM Zone: 17    Easting: 451573.997   Northing: 5377298.002    UTM Datum: NAD83

Resident Geologist District: Timmins

NTS Grid: 42A12SE

Point Location Description: trenches on map W-19 in T-340

Location Method: Based on Assessment



Exploration History

1949: Walcoro Porcupine Mines Ltd. - mapping, stripping, trenching, ground geophysics, sampling. 1966: Kayjon Minerals Limited - ground geophysics, mapping. 1980-81: Vatco Exploration Ltd. - ground geophysics, sampling. 1984: Jonpol Explorations Ltd. - mapping, ground geophysics, DD (1-402 ft). 1983-90: C Morgan - trenching, stripping, ground geophysics.


Assessment Work on File

Assessment Work on File
Office File Number Online Assessment File Identifier Online Assessment File Directory
T-2570 / 2.11689 42A12SE0231 42A12SE0231
T-1262 / 63.1915 42A12SE0262 42A12SE0262
T-2529 / 63.4036 42A12SE0253 42A12SE0253
T-2570 / 2.11929 42A12SE0234 42A12SE0234
T-340 / 63.181 42A12SE0284 42A12SE0284
T-2948 / 63.4518 42A12SE0249 42A12SE0249

Geology

Province: Superior

Subprovince: Abitibi

Terrane: Wawa-Abitibi

Belt: Abitibi

Geological Age: Archean  



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Gabbro 1 Gabbro Sheared Contains
Vein 2 Quartz-Carbonate Host
Ultramafic Schist 3 Talc-Carbonate Contains

Lithology Comments

Aug 25, 2008 (A Wilson) - The vein varies from 2-3 feet in width and is exposed in trenches for over 200 feet. The vein strikes N70°E and dips from 35° to 40° N. The vein lies within a talc-carbonate zone that is up to 15 feet wide.




Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1PyriteEconomicGangue
2PyrrhotiteEconomicGangue
3ChalcopyriteEconomicGangue

Mineralization Comments

Aug 25, 2008 (A Wilson) - Assay values from the pre-1949 diamond drilling returned values of 0.17 oz/t gold over 9 ft. and 0.05 oz/t over 13 feet. Grab samples collected from the vein in 1990 returned values up to 0.012 oz/t gold. A 5 ft section of drill core returned 0.026 oz/t gold in 1984.



Mineral Record Details

References

Map - Geological series, Robb Township, District of Cochrane

Publication Number: P0694 Scale: 1:15,840    Date: 1997

Author: Middleton R.S.

Publisher Name: Ontario Dept. of Mines and Northern Affairs

Location:


Core - Resident Geologist Core Library TI1348

Publication Number: TI1348 Date: 1901

Author:

Publisher Name: Ontario Geological Survey

Location: Timmins RGO library


Map - Robb and Jamieson townships, Cochrane District

Publication Number: M2255 Scale: 1:31,680    Date: 1973

Author: Middleton R.S.

Publisher Name: Ontario Division of Mines

Location:


MonoMap - Magnetic survey of Robb and Jamieson townships, District of Cochrane

Publication Number: GPR01 Date: 1998

Author: Middleton R.S.

Publisher Name: Ontario Division of Mines

Location:


Map - Geology of the Kamiskotia Area

Publication Number: P3396 Scale: 1:50,000    Date: 2000

Author: Barrie C.T.

Publisher Name: Ontario Geological Survey

Location:


MonoMap - Geology of the Kamiskotia Area

Publication Number: S059 Date: 2000

Author: Barrie C.T.

Publisher Name: Ontario Geological Survey

Location:


Map - Geological Compilation of the Timmins Area, Abitibi Greenstone Belt

Publication Number: P3379 Scale: 1:100,000    Date: 1998

Author: Ayer J.A., Trowell N.F.

Publisher Name:

Location:


Map - Precambrian Geology, Parts of Godfrey, Robb, Jamieson, Loveland, Macdiarmid and Thorburn Townships

Publication Number: P3556 Scale: 1:20,000    Date: 2005

Author: Hathway B.

Publisher Name: Ontario Geological Survey

Location:


MonoMap - Geological Setting of Volcanogenic Massive Sulphide Mineralization in the Kamiskotia Area: Discover Abitibi Initiative

Publication Number: OFR6155 Date: 2005

Author: Hathway B., Hudak G., Hamilton M.A.

Publisher Name: Ontario Geological Survey

Location:


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