Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI42A12SE00048

Record: MDI42A12SE00048

General

Mineral Record Identification
Record Name(s) Pleno Mines Prospect - 1955, Desaulniers - McDonald Option - 1939
Related Record Type Simple
Related Record(s)
Record Status Developed Prospect Without Reported Reserves or Resources
Date Created 1981-Mar-12
Date Last Modified 2022-Sep-21
Created By
Revised By

Commodities

Primary Commodities: Copper, Zinc

Secondary Commodities: Silver, Gold



Location

Township or Area: Jamieson, Robb

Latitude: 48° 35' 22.28"    Longitude: -81° 35' 44.87"

UTM Zone: 17    Easting: 456065   Northing: 5381998    UTM Datum: NAD83

Resident Geologist District: Timmins

NTS Grid: 42A12SE

Point Location Description: drill collar

Location Method: Conversion from MDI



Exploration History

1945-49: Hollinger Consolidated Gold Mines and Kam-Kotia Porcupine Mines Limited - gravity, ground geophysics, DD. 1955-64: Pleno Mines Limited and New Kelore Mines Limited - ground geophysics, DD-50, mapping. 1965: Kam-Kotia Mines Ltd. - underground exploration - 450-level drift explored the prospect, some underground drilling (2000 feet). 1979-82: The Sulphide Syndicate - ground geophysics, DD-2. 1994-97: Falconbridge Limited - DD-6 -2169 m, ground geophysics 1999: Prospectors Alliance – Rept. 2017: International Explorers and Prospectors Inc. – AEM, AMag.


Assessment Work on File

Assessment Work on File
Office File Number Online Assessment File Identifier Online Assessment File Directory
T-1936 / 2.2986 42A11SW0097 42A11SW0097
T-1936 / 44 42A12SE0154 42A12SE0154
T-3189 / W9560.00501 42A12SE0013 42A12SE0013
T-3189 / W9460.00142 42A12SE0008 42A12SE0008
T-3189 / W9560.00247 42A12SE0011 42A12SE0011
T-7050 / 2.58128 20000015111 20000015111
T-544 / 63.1018 42A12SE0140 42A12SE0140

Geology

Province: Superior

Subprovince: Abitibi

Terrane: Wawa-Abitibi

Belt: Abitibi

Geological Age: Archean  



Geology Comments

Jul 25, 2008 (A Wilson) - The Pleno Prospect is located along strike with the Kam-Kotia Mine. The deposit lies within the felsic metavolcanic rocks of the Kamiskotia Volcanic Complex. The Kamiskotia Volcanic Complex overlies and is intruded by the Kamiskotia Gabbroic Complex. The KVC has been dated at 2701± 1.4 to 2698± 1.3 Ma.




Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Intermediate Tuff 1 Andesite Tuff Contains
Felsic lava flow-unsubdivided 2 Rhyolite Silicified Adjacent

Lithology Comments

Apr 26, 2019 (A Wilson) - The diamond drill hole intersected a sequence of intermediate metavolcanic rocks and silicified intermediate or felsic metavolcanic rocks. Amygdules in the rhyolite were identified. The zone on surface extends for a minimum of 900 feet and has been explored to a depth of 400 feet.




Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
2SphaleriteEconomicOre
3ChalcopyriteEconomicOre
1PyriteEconomicGangue
4PyrrhotiteEconomicGangue

Mineralization Comments

Jul 25, 2008 (A Wilson) - Assays from Pleno Mines Limited drill hole 112 returned values of 0.78% Cu and 3.12% Zn over 13.5 ft. A 4 foot section of core from Pleno Mines DDH 110 returned 0.64% Cu, 3.43% Zn, 0.01 oz/t Au and 0.60 oz/t Ag. Surface grab samples collected by New Kelore Mines Ltd. in 1954 retuned assays up to0.31% Cu, 7.78% Zn and 0.60 oz/t Ag over 1.1 feet and 2.08%Cu, 4.03% Zn and 1.42 oz/t Ag over 1.3 feet.



Mineral Record Details

References

File - Resident Geologist files T-293, T-4104

Publication Number: Date:

Author:

Publisher Name:

Location: Timmins RGP office


Map - Geological compilation series, Pamour sheet, District of Cochrane

Publication Number: P0698 Scale: 1:126,720    Date: 1997

Author: Bright E.G., Hunt D.S.

Publisher Name: Ontario Dept. of Mines and Northern Affairs

Location:


Publication - CIMM 1957, CONGRESS, P246-259

Publication Number: N/A Date: 1957

Author:

Publisher Name: Canadian Institute of Mining, Metallurgy and Petroleum

Location: Timmins RGO library


Publication - Financial Post 1968, Survey of Mines

Publication Number: Page: 163  Date: 1968

Author:

Publisher Name: Financial Post

Location:


Book - Sudbury Timmins Algoma Mineral Program, Project 1: mineral inventory of the Sudbury-Timmins-Sault Ste. Marie region, Ontario

Publication Number: GSC OF 1087 Page: 42A-323  Date: 1985

Author: Rose, D. G.

Publisher Name: Geological Survey of Canada

Location: https://doi.org/10.4095/129999


Publication - Northern Miner 75-04-17, Drop, p. 4

Publication Number: NMINER Date: 1975

Author: Northern Miner

Publisher Name: Northern Miner

Location: Timmins RGO clippings file


Part - Geology of the Robb-Jamieson area

Publication Number: ARV53-04.001 Date: 1997

Author: Berry L.G.

Publisher Name: Ontario Dept. of Mines

Location:


Mono - Copper, nickel, lead and zinc deposits in Ontario (revised to February, 1957)

Publication Number: MDC002 Page: 42  Date: 1957

Author: Thomson J.E., Ferguson S.A., Johnston W.G.Q., Pye E.G., Savage W.S., Thomson R.

Publisher Name: Ontario Dept. of Mines

Location:


Mono - Copper, nickel, lead and zinc deposits of Ontario

Publication Number: MDC012 Page: 121  Date: 1969

Author: Shklanka R.

Publisher Name: Ontario Dept. of Mines

Location:


Core - Resident Geologist drill core library

Publication Number: Date: 1901

Author:

Publisher Name:

Location: Timmins DCL 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 Page: 48  Date: 1998

Author: Middleton R.S.

Publisher Name: Ontario Division of Mine

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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