Ontario Geological Survey
Permanent Link to this Record:
MDI31L07SW00013
| Record Name(s) | O'Brien and Fowler Property - 1925 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Prospect |
| Date Created | 1982-Mar-03 |
| Date Last Modified | 2023-May-26 |
| Created By | |
| Revised By |
Primary Commodities: Feldspar (Nonmetals)
Secondary Commodities: Niobium, Rare Earth Elements
Township or Area: Mattawan
Latitude: 46° 19' 7.36" Longitude: -78° 46' 58.81"
UTM Zone: 17 Easting: 670677 Northing: 5131848 UTM Datum: NAD83
Resident Geologist District: Sudbury
NTS Grid: 31L07SW
Point Location Description: open cut
Location Method: AMIS Site Visit
Access Description: North from Mattawa on highway 533 from Mattawa river to Moosehead Road. Drive 5.3km to fork in road taking right fork (skidoo/ATV trail) for 2.9km to site. Large rock piles on either side of trail.
1924: A. Jodouin – discovery. 1925-27: O’Brien and Fowler Limited – in production. 1950: Molybdenum Corporation of America – bulk sampling
Province: Grenville
Subprovince: Central Gneiss Belt
Terrane: Tomiko
Geological Age: Mesoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Tonalite | 1 | Tonalite To Granodiorite | Gneissic |
|---|---|---|---|---|
| Pegmatite | 2 | Host |
Jul 06, 2012 (A Wilson) - The dark grey gneisses strike northwest-southeast. Feldspar is contained within a pegmatite dike which strikes approximately N40E and cuts across the gneissic banding.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Microcline | Economic | Ore | ||||
| 2 | Euxenite | Economic | Gangue |
Jul 06, 2012 (A Wilson) - The feldspar occurs in masses of crystals. Harding (OGS) suggested that pure feldspar might be obtained by hand sorting. More than half of the dike material consists of feldspar. Euxenite crystals in masses ranging from pea sized to 5 inches in diameter.
| Rank | Classification |
|---|---|
| 1 | Pegmatite |
| Rank | Characteristic |
|---|---|
| 1 | Intrusive |
| Year | Tonnes | Commodities | Reference | Comment |
|---|---|---|---|---|
| 1926 | 2798 |
Feldspar (Nonmetals) 2798 Tonne |
IMR21 p. 21 | 3084 tons of feldspar produced (2798 tonnes) |
Publication - A Catalogue of Canadian Minerals; Geological Survey of Canada, Paper 69-45
Publication Number: Paper 69-45 Page: 206 Date: 1972
Author: Traill, R.J.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/102924
Part - Geology of the Mattawan-Olrig area
Publication Number: ARV53-06.001 Page: 46-47 Date: 1997
Author: Harding W.D.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Pegmatite mineral resources of Ontario
Publication Number: IMR021 Page: 21 Date: 1997
Author: Hewitt D.F.
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:
MonoMap - Geology and Mineral Potential of the Eastern Tomiko Terrane, Grenville Province
Publication Number: OFR5554 Date: 2006
Author: Easton R.M.
Publisher Name: Ontario Geological Survey
Location:
Map - Geological series, Mattawa-Deep River area (western half), District of Nipissing
Publication Number: P1196 Scale: 1:63,360 Date: 1976
Author: Lumbers S.B.
Publisher Name: Ontario Division of Mines
Location:
Part - Mines of Ontario in 1925
Publication Number: ARV35-01.004 Page: 83 Date: 1997
Author: Sutherland T.F., McMillan J.G., Sinclair D.G., Cole G.E., Webster A.R.
Publisher Name: Ontario Dept. of Mines
Location:
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