Ontario Geological Survey
Permanent Link to this Record:
MDI42A12SW00018
Record Name(s) | Mattagami DDH C-A-77-2 - 1977 |
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Related Record Type | Simple |
Related Record(s) | |
Record Status | Occurrence |
Date Created | 1981-Mar-06 |
Date Last Modified | 2022-Sep-07 |
Created By | |
Revised By |
Primary Commodities: Iron
Secondary Commodities: Zinc
Township or Area: Cote
Latitude: 48° 35' 48.65" Longitude: -81° 47' 24.38"
UTM Zone: 17 Easting: 441745 Northing: 5382942 UTM Datum: NAD83
Resident Geologist District: Timmins
NTS Grid: 42A12SW
Point Location Description: DDH C-A-77-2 from Assessment report 42A12SW0206
Location Method: Data Compilation
1964: McIntyre Porcupine Mines conducted an AEM survey (T-826). 1976: Mattagami Lake Mines conducted mag and EM surveys. 1977: Mattagami Lake Mines carried out drilling (C-A-77-2 to 807 ft) (T-1767). 1988: Placer Dome Inc conducted mag and EM surveys, drilling to west of occurrence (T-3254).
Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
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63.1358, T-0826 | 42A12SW0209 | 42A12SW0209 |
2.2208, T-1767 | 42A12SW0207 | 42A12SW0207 |
2.12127, T-3254 | 42A12SW0200 | 42A12SW0200 |
14, T-1767 | 42A12SW0206 | 42A12SW0206 |
Province: Superior
Geological Age: Archean
Rock Type | Rank | Composition | Texture | Relationship | Claystone | 1 | Contains |
---|---|---|---|---|
Felsic Tuff | 2 | Rhyolite | Tuff | Contains |
Intermediate Tuff | 3 | Andesite | Tuff | Adjacent |
Jun 02, 2006 (D Draper) - Drillhole (807ft, bearing grid north, dipping 50 deg) cut alternating zones of intermediate to felsic metavolcanics containing interbanded units of argillite, tuff and iron formation
Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
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1 | Magnetite | Economic | Ore | ||||
2 | Pyrrhotite | Economic | Ore | Disseminated | |||
3 | Pyrite | Economic | Ore | Disseminated | |||
4 | Chalcopyrite | Economic | Ore |
Jun 02, 2006 (D Draper) - Disseminated to semi-massive magnetite and pyrrhotite occur throughout the hole. At 399ft, a sample returned 21.3% Fe over 3 feet of 60% magnetite and disseminated po and py. A 1-foot band of chert and argillite in andesite metatuff at 462ft, mineralized with semi-massive po with py and cpy, assayed 2500 ppm Zn.
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