Ontario Geological Survey
Permanent Link to this Record:
MDI42A09NW00003
Record Name(s) | Falls - 1981, Twin Falls Syndicate - 1981 |
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Related Record Type | Simple |
Related Record(s) | |
Record Status | Occurrence |
Date Created | 1981-Feb-17 |
Date Last Modified | 2023-Jan-19 |
Created By | |
Revised By |
Primary Commodities: Gold
Township or Area: Coulson
Latitude: 48° 42' 28.37" Longitude: -80° 22' 21.57"
UTM Zone: 17 Easting: 546152.983 Northing: 5395172.839 UTM Datum: NAD83
Resident Geologist District: Kirkland Lake
NTS Grid: 42A09NW
Point Location Description: Rapids.
Location Method: Conversion from MDI
1965: Twin Falls Syndicate completed a geophysical survey and follow-up ground electromagnetic and magnetic surveys. Three holes totalling at least 260 m were diamond drilled; no assay data from these holes are reported. 1985: Comstate Resources Ltd. prospected the area. No reported assay value was greater than 10 ppb of gold.
Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
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KL-2741, 63.1708 | 42A10NE0312 | 42A10NE0312 |
10 | 42A09NW0569 | 42A09NW0569 |
Province: Superior
Subprovince: Abitibi
Terrane: Wawa-Abitibi
Belt: Abitibi
Tectonic Assemblage: Stoughton-Roquemaure
Geological Age: Archean
Metamorphism Grade: Greenschist
Rock Type | Rank | Composition | Texture | Relationship | Vein | 1 | Contains |
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Terrigenous-Clastic-Unsubdivided | 2 | Near | ||
Intermediate lava flow-unsubdivided | 3 | Andesite | Near |
Dec 07, 2005 (C Salo) - Exploration was concentrated along the faulted contact between weakly metamorphosed (greenschist or lower metamorphic facies) carbonatized feldspar phyric andesite and sediments where the contact is exposed along the Shallow River in the north half of the north half of lot 8, concession VI, Coulson Township (Leahy and Ginn 1962, Johnstone 1986, Jensen and Baker 1986, Gupta and Johnstone 1987, Johnstone and Steele 1989). No reported gold assays are greater than 0.01 ounce of gold per ton.
File - Resident Geologist file KL-0551
Publication Number: Date:
Author:
Publisher Name:
Location: Kirkland Lake RGP office
Map - Geological series, preliminary results of bedrock samples from the sonic drilling, 1985, Lake Abitibi-Matheson area, District of Cochrane
Publication Number: P2986 Scale: 1:100,000 Date: 1986
Author: Jensen L.S., Steele K.G., McClenaghan M.B., Baker C.L.
Publisher Name: Ontario Geological Survey
Location:
Map - Black River-Matheson Area
Publication Number: OFM0050 Scale: 1:15,840 Date: 1986
Author: Johnstone R.M.
Publisher Name:
Location:
Map - Geological series, bedrock samples from the sonic drilling program 1987, Matheson area, District of Cochrane
Publication Number: P3114 Scale: 1:100,000 Date: 1989
Author: Johnstone R.M., Sutcliffe R.H., Steele K.G., Baker C.L., McClenaghan M.B.
Publisher Name: Ontario Geological Survey
Location:
Folio - Coulson Township, District of Cochrane
Publication Number: GDIF369 Date: 1997
Author: Kirkland Lake RGO
Publisher Name: Ontario Geological Survey
Location:
Map - Wilkie Township, District of Cochrane
Publication Number: P0156 Scale: 1:15,840 Date: 1997
Author: Leahy E.J., Ginn R.M.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Geophysical/geochemical series, Matheson-Black River area, Coulson Township, airborne electromagnetic survey, total intensity magnetic survey, District of Cochrane
Publication Number: M80575 Scale: 1:20,000 Date: 1984
Author: Questor Surveys Ltd.
Publisher Name: Ontario Geological Survey
Location:
Mono - Mineral occurrences, deposits, and mines of the Black River-Matheson area
Publication Number: OFR5735 Page: 1257-1258 Date: 1990
Author: Bath A.C.
Publisher Name: Ontario Geological Survey
Location:
Article - Black River-Matheson economic geologist program
Publication Number: MP126.058S Page: 301-311 Date: 1997
Author: Bath A.C.
Publisher Name: Ontario Geological Survey
Location:
Map - Coulson Township, District of Cochrane
Publication Number: P0157 Scale: 1:15,840 Date: 1997
Author: Leahy E.J., Ginn R.M.
Publisher Name: Ontario Dept. of Mines
Location:
Article - A gravity survey in the Iroquois Falls-Lake Abitibi area, District of Cochrane
Publication Number: MP137.074 Page: 411-14 Date: 1997
Author: Gupta V.K., Johnstone R.M.
Publisher Name: Ontario Geological Survey
Location:
Article - Precambrian geology of Coulson, Warden, and Milligan townships, Black River-Matheson (BRIM) area, District of Cochrane
Publication Number: MP132.079 Page: 392-397 Date: 1997
Author: Johnstone R.M.
Publisher Name: Ontario Geological Survey
Location:
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