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Ontario Geological Survey
Permanent Link to this Record:
MDI42C08SW00184
Record Name(s) | Longbow Sample N-25 - 1998, Claim SSM 12220 - 1996 |
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Related Record Type | Simple |
Related Record(s) | |
Record Status | Occurrence |
Date Created | 2001-May-23 |
Date Last Modified | 2023-Jan-09 |
Created By | |
Revised By |
Primary Commodities: Gold, Copper
Township or Area: Riggs
Latitude: 48° 19' 56.32" Longitude: -84° 14' 17.55"
UTM Zone: 16 Easting: 704681.56 Northing: 5356922.84 UTM Datum: NAD83
Resident Geologist District: Sault Ste. Marie
NTS Grid: 42C08SW
Point Location Description: Stripped area in north part of patented claim SSM 12220
Location Method: Based on Assessment
Access Description: The site is accessible by driving southeast from the town of Lochalsh along a series of disused forestry roads.
Pre-1930: trenching. 1986-2000: Watson Resources/Longbow Resources - stripping, trenching, sampling, mapping. 2007: J.C. Archibald – sampling, prospecting.
Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
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WP.Riggs.51/2.19750 | 42C08SE2006 | 42C08SE2006 |
WP.Riggs.54/2.20115 | 42C08SE2008 | 42C08SE2008 |
2.17884 | 42C08SE2001 | 42C08SE2001 |
2.38941 | 20000003188 | 20000003188 |
WP Riggs.46/2.18881 | 42C08SE2002 | 42C08SE2002 |
WP Riggs.42/2.17778 | 42C08SE0037 | 42C08SE0037 |
W9650.00076 | 42C08SE0022 | 42C08SE0022 |
WP Riggs.22/2.11597 | 42C08SW0847 | 42C08SW0847 |
WP Riggs.21/2.11596 | 42C08SW0610 | 42C08SW0610 |
W9650.00075 | 42C08SE0035 | 42C08SE0035 |
Province: Superior
Subprovince: Wawa
Terrane: Wawa-Abitibi
Belt: Michipicoten
Geological Age: Neoarchean
Sep 24, 2016 (A Wilson) - The area lies between two NNW trending faults and the observed deformation is believed to be related to the Goudreau Lake Deformation Zone that lies to the west. The GLDZ is up to 4.5 km in width and strikes in a gentle sigmoid-form for at least 30 km, subparallel to the stratigraphy and the regional foliation. In the immediate Goudreau-Lochalsh area, the GLDZ is coincident with a major contact between Cycle 2 and Cycle 3 volcanics. There is a strong structural control of the gold-bearing quartz veins systems within each of the 070-075 striking high-strain zones within the deformation zone. The Eastern Domain of the GLDZ is 9 km long and 2 km wide and contains narrow brittle and brittle-ductile high-strain zones displaying dextral, oblique slip displacement. Within the eastern domain, high-strain zones (as well as laminated, quartz-tourmaline and/or quartz-Fe-carbonate veins, fractures and felsic porphyry dikes) are dominantly parallel or at low angles to the east-striking regional foliation. The eastern domain is truncated on the west by the NW-trending Maskinonge Lake Fault.
Rock Type | Rank | Composition | Texture | Relationship | Schist-Unsubdivided | 1 | Quartz-Sericite | Host |
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Intermediate lava flow-unsubdivided | 2 | Host |
Dec 07, 2005 (A Wilson) - Elevated copper and gold values were obtained from a rusty shear zone within mafic to intermediate metavolcanics.
Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
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1 | Pyrite | Economic | Gangue |
Sep 24, 2016 (A Wilson) - Grab samples collected from trenches on the patented claim before 1940 returned assays up to 0.17 oz./t Au from a rusty shear zone. A series of grab samples collected from the shear zone in 1998 returned values ranging from 1080 to 5280 ppm Cu. These grab samples returned values that were low in gold.
Article - The geological and structural setting of gold mineralization in the Missanabie-Renabie District of the Michipicoten greenstone belt, Wawa, Ontario
Publication Number: MP141.037 Page: 257-270 Date: 1997
Author: Heather K.B., Buck S.
Publisher Name: Ontario Geological Survey
Location:
Map - Township 47 [Riggs Township], District of Algoma, Ontario
Publication Number: M1946-02 Scale: 1:31,680 Date: 1998
Author: Bruce E.L.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Geological series, Missanabie area, Riggs Township, formerly Township 47, District of Algoma
Publication Number: P0944 Scale: 1:15,840 Date: 1974
Author: Srivastava P., Bennett G., Elmhirst F., Andrews M.D.
Publisher Name: Ontario Division of Mines
Location:
Map - Riggs and West townships, Algoma District
Publication Number: M2353 Scale: 1:31,680 Date: 1977
Author: Srivastava P., Bennett G., Elmhirst F., Andrews M.D.
Publisher Name: Ontario Geological Survey
Location:
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For detailed information regarding this mineral record please contact the Sault Ste. Marie Resident Geologist District Office