Ontario Geological Survey
Permanent Link to this Record:
MDI52F07NE00093
| Record Name(s) | Massval - 1959 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Discretionary Occurrence |
| Date Created | 1984-Feb-02 |
| Date Last Modified | 2022-Aug-03 |
| Created By | |
| Revised By |
Primary Commodities: Copper
Township or Area: Boyer Lake Area
Latitude: 49° 28' 16.34" Longitude: -92° 33' 49.66"
UTM Zone: 15 Easting: 531603.001 Northing: 5479931.003 UTM Datum: NAD83
Resident Geologist District: Kenora
NTS Grid: 52F07NE
Point Location Description: General
Location Method: Conversion from MDI
Access Description: The Massval Occurrence is located 40.2 kilometres southeast of Dryden, Boyer Lake Area. Drilling on claims K29916, 29936 located on northeast shore of Walmsley Lake and near west shore of Boyer Lake respectively. (Historical File F07NE00093, SMDR#000550, Kenora Resident Geologist Office)
1959: Massval Mines Ltd. carried out 459 m of DD in 4 holes. 1969-70: airborne Mag and EM survey. 1973: airborne EM survey.
Province: Superior
Subprovince: Wabigoon
Terrane: Western Wabigoon
Belt: Eagle-Wabigoon-Manitou
Geological Age: Precambrian
| Rock Type | Rank | Composition | Texture | Relationship | Mafic lava flow-unsubdivided | 1 |
|---|---|---|---|---|
| Gabbro | 2 |
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Pyrite | Economic | Ore | ||||
| 2 | Chalcopyrite | Economic | Ore |
Aug 03, 2022 (Q Unknown) - In September 1959, Massval Mines Limited diamond drilled two holes on an unpatented claim (K29936) on the western side of Boyer Lake (Property 10 on Map 2437, back pocket), and two holes on an unpatented claim (K29916) at the northern end of Walmsley Lake (Property 11 on Map 2437, back pocket). All four holes, which are about 120 m long, were presumably to test conductors, and appear to have intersected the contact between the southern side of an elongate gabbro body and mafic metavolcanics. Scattered pyrite mineralization occurred through all the sections. The highest copper value obtained on assay by Massval Mines Limited was 0.20 percent Cu over 0.6 m within the gabbro (Assessment Files Research Office, Ontario Geological Survey, Toronto). (R202, p.89-90). 1959: Best drill intersections assayed: 0.2% Cu over 0.6 m and 0.12% Cu over 1.5 m. Mineralization included pyrite and chalcopyrite.
Map - Geological series, Boyer Lake area, District of Kenora
Publication Number: P1187 Scale: 1:15,840 Date: 1976
Author: Blackburn C.E.
Publisher Name: Ontario Division of Mines
Location:
Mono - Geology of the Boyer Lake-Meggisi Lake area, District of Kenora
Publication Number: OFR5263 Page: 158 Date: 1979
Author: Blackburn C.E.
Publisher Name: Ontario Geological Survey
Location:
MonoMap - Geology of the Boyer Lake-Meggisi Lake area, District of Kenora
Publication Number: R202 Page: 89-90 Date: 1981
Author: Blackburn C.E.
Publisher Name: Ontario Geological Survey
Location:
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