Ontario Geological Survey
Permanent Link to this Record:
MDI42J01SW00004
| Record Name(s) | Opazatika River - 1904 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1980-Aug-29 |
| Date Last Modified | 2022-Oct-07 |
| Created By | |
| Revised By |
Primary Commodities: Iron
Township or Area: Bradley
Latitude: 50° 4' 59.49" Longitude: -82° 25' 37.02"
UTM Zone: 17 Easting: 397913.16 Northing: 5548855.48 UTM Datum: NAD83
Resident Geologist District: Timmins
NTS Grid: 42J01SW
Point Location Description: East bank of Opasatika River, 2.2km south of Breakneck Falls
Location Method: Data Compilation
Access Description: 40 miles from Kapuskasing to Smoky Falls then 13 miles due west to Breakneck Falls on the Opasatica River.
1904: J.M. Bell, OBM - Field examination, sampling. 1948 - 1951: Opasatika Iron Mines - prospecting, sampling, assays.
Province: Paleozoic and Mesozoic Basins
Subprovince: Moose River Basin
| Rock Type | Rank | Composition | Texture | Relationship | Limestone | 1 | Contains |
|---|---|---|---|---|
| Ironstone-unsubdivided | 2 | Is |
Mar 25, 2014 (D Draper) - Siderite and ferruginous carbonate occurs as a secondary replacement of Devonian (?) limestone, together with surficial goethite and goethite-quartz oxidation zones. Deposit 750 feet [to] 1500 feet long and 225 feet wide. A minimum thickness of 15 feet is indicated from exposures along the river.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Siderite | Economic | Ore | ||||
| 2 | Goethite | Economic | Ore |
Mar 25, 2014 (D Draper) - Samples of siliceous geothite gave 34.84% Fe2O3, 53.14% SiO2; ferruginous limestone gave 4.42% Fe2O3, 19.56% MgO, 1% SiO2; and siderite gave 62.1% Fe2O3. One Opazatika Iron Mines sample in 1949 returned 54.9% Fe; other samples averaged between 20 - 30%.
| Rank | Classification |
|---|---|
| 1 | Replacement |
| Rank | Characteristic |
|---|---|
| 1 | Stratiform |
File - Resident Geologist files T-0411, T-4833
Publication Number: Date:
Author:
Publisher Name:
Location: Timmins RGP office
Map - Map of northern parts of the districts of Algoma and Nipissing, Province of Ontario
Publication Number: ARM13B Scale: 1:506,880 Date: 1998
Author: Bell J.M.
Publisher Name: Ontario Bureau of Mines
Location:
Part - Economic resources of Moose River Basin
Publication Number: ARV13-01.009 Page: 150-153 Date: 1998
Author: Bell J.M.
Publisher Name: Ontario Bureau of Mines
Location:
Map - Little Long Rapids sheet, District of Cochrane, geological compilation series
Publication Number: P0396 Scale: 1:126,720 Date: 1997
Author: Bennett G., Brown D.D., George P.T.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Iron deposits of Ontario
Publication Number: MDC011 Page: 105 Date: 1968
Author: Shklanka R.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Explorations along the Abitibi, Mattagami and Missinaibi rivers, districts of Timiskaming and Algoma
Publication Number: ARM29F Scale: 1:500,000 Date: 1997
Author: Bell J.M., Baker M.B., Cross J.G., Williams M.Y., Keele J., Jackson P.A., Rogers W.R.
Publisher Name: Ontario Bureau of Mines
Location:
Mono - Report Of The Ontario Iron Ore Committee With Appendix 1923
Publication Number: NSP013 Page: 210 Date: 1998
Author:
Publisher Name:
Location:
Part - Pre-Cambrian rocks and iron ore deposits in the Abitibi-Mattagami area
Publication Number: ARV29-02.001 Page: 16-17 Date: 1998
Author: Cross J.G.
Publisher Name: Ontario Bureau of Mines
Location:
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