Ontario Geological Survey
Permanent Link to this Record:
MDI31L07SW00066
| Record Name(s) | Mica Company of Canada No. 2 Working - 1943, Mica Company of Canada Claim S36274 - 1943 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Prospect |
| Date Created | 1982-Mar-04 |
| Date Last Modified | 2023-May-26 |
| Created By | |
| Revised By |
Primary Commodities: Mica
Secondary Commodities: Niobium
Township or Area: Olrig
Latitude: 46° 18' 49.66" Longitude: -78° 56' 14.18"
UTM Zone: 17 Easting: 658815 Northing: 5130981 UTM Datum: NAD83
Resident Geologist District: Sudbury
NTS Grid: 31L07SW
Point Location Description: approximate centre of claim S36274
Location Method: Data Compilation
Access Description: Drive 13.4km north of Mattawa on highway 533 past Snake Creek and turn south on logging road. Drive a further 15.5km. Continue past Purdy Mine for approximately 2.8km
1942-43: Mica Company of Canada – prospecting, production. Operations were suspended in 1943.
Province: Grenville
Subprovince: Central Gneiss Belt
Terrane: Tomiko
Geological Age: Mesoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Feldspathic Wacke | 1 | Feldspathic And Micaceous | Contains |
|---|---|---|---|---|
| Pegmatite | 2 | Granite To Syenite | Coarse-Grained | Host |
Jul 25, 2012 (A Wilson) - The dike strikes N40E across garnetiferous hornblende-biotite gneisses which strike approximately N30W. The pegmatite dike ranges from 8 to 9 feet in width. The workings consisted of an open pit which was sunk on the hillside and follows the strike of the dike for about 135 feet.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Muscovite | Economic | Ore | ||||
| 2 | Orthoclase | Economic | Ore | ||||
| 3 | Plagioclase | Economic | Ore | ||||
| 4 | Euxenite | Economic | Ore |
Jul 25, 2012 (A Wilson) - Biotite, tourmaline and epidote also were observed in the dike. A black mineral resembling euxenite also was observed. The muscovite was described as stained and creased and otherwise imperfect.
| Rank | Classification |
|---|---|
| 1 | Pegmatite |
Part - Geology of the Mattawan-Olrig area
Publication Number: ARV53-06.001 Page: 32-33 Date: 1997
Author: Harding W.D.
Publisher Name: Ontario Dept. of Mines
Location:
MonoMap - Columbium (niobium) deposits of Ontario
Publication Number: MDC014 Page: 49 Date: 1971
Author: Ferguson S.A.
Publisher Name: Ontario Dept. of Mines and Northern Affairs
Location:
Map - Mattawan-Olrig area, District of Nipissing, Ontario
Publication Number: ARM53D Scale: 1:63,360 Date: 1997
Author: Harding W.D.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Precambrian Geology, Songris Area
Publication Number: P2847 Scale: 1:50,000 Date: 2006
Author: Easton R.M.
Publisher Name: Ontario Geological Survey
Location:
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