Ontario Geological Survey
Permanent Link to this Record:
MDI42C08SW00132
| Record Name(s) | McPhail Iron Range - 1918, Claim J. L. 16, and J. L. 21 - 1918, Goudreau- McPhail - 1985 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Prospect |
| Date Created | 1980-Jul-28 |
| Date Last Modified | 2022-Jul-22 |
| Created By | |
| Revised By |
Primary Commodities: Iron, Sulphur/Pyrite
Secondary Commodities: Limestone (Chemical/Flux)
Township or Area: Aguonie
Latitude: 48° 16' 26.12" Longitude: -84° 30' 7.9"
UTM Zone: 16 Easting: 685330 Northing: 5349762 UTM Datum: NAD83
Resident Geologist District: Sault Ste. Marie
NTS Grid: 42C07SE
Point Location Description: Low swampy area west of the A Iron Range
Location Method: AMIS Site Visit
Access Description: The site is accessible via highway 516 (Dubreuilville Road) to the new Goudreau Road. Drive 20 km south east along the new Goudreau Road to where the road meets the old Goudreau Road. Turn east and travel approximately 3 km. The open pit is located on the north side of the road.
1918 - 1951: J. A. McPhail et al. - discovery, trenching, patented property held by prospectors, no recorded work completed. 1951 - 1971: Algoma Ore Properties Ltd. - 19 ddh (3488 ft), ground magnetic and EM surveys, mapping, evaluation of property for limestone for use as flux.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| Aguonie-0017 | 42C08SW0503 | 42C08SW0503 |
| Aguonie-0012 | 42C08SW0285 | 42C08SW0285 |
Province: Superior
Subprovince: Wawa
Terrane: Wawa-Abitibi
Belt: Michipicoten
Tectonic Assemblage: Wawa
Geological Age: Neoarchean Geochronological Age: 2750 MA Geochron. Age Ref.: GOO VOL 1
Metamorphism Type: Regional
Metamorphism Grade: Greenschist
Jan 26, 2016 (A Wilson) - The multiple separate iron ranges in the Goudreau area are presumably segments of a single iron formation that has been folded and faulted. In at least two of the open pits, the iron formation is seen to have been tectonically thickened by tight isoclinal folding. The iron formation occurs at the contact between the intermediate to felsic metavolcanics of cycle one and the intermediate to mafic metavolcanics of cycle 2. The major difference between these iron ranges and the ones exposed north of Wawa is that the siderite of the carbonate facies at the Helen Iron Range is replaced by calcite east of Goudreau. The McPhail Iron Range is the western extension of the A Iron Range and likely its western extension co-relates with the C Iron Range to the south. The occurrence lies within the northern domain of the Goudreau Lake Deformation Zone. This domain is located immediately south of the Maskinonge Lake sock and is composed of brittle to brittle-ductile high-strain zones.
| Rock Type | Rank | Composition | Texture | Relationship | Carbonate Ironstone | 1 | Carbonate-Facies | Host |
|---|---|---|---|---|
| Limestone | 2 | Host | ||
| Mafic lava flow-unsubdivided | 3 | Pillowed And Massive | Hanging Wall | |
| Intermediate Tuff | 4 | Sericite Schist, Tuff | Footwall |
Jan 26, 2016 (A Wilson) - To the north of the iron range the rocks are pllowed and massive inermdeiate to mafic metavolcanic rocks. To the south, the rocks are of intermediate to felsic composition, schistose, carbonated and commonly contain chloritoid porphyroblasts. The intermediate to felsic metavolcanics consist of sericite schist, lapilli tuff and coarse oligomictic breccias. The iron range is a typical Michipicoten-type iron formation with calcite occupying the stratigraphic position of the siderite found to the east at Wawa. Diamond drilling by Algoma shows that the iron formation is characterized by granular silica on the north side, followed by a sulphide facies iron formation and then followed by a limestone unit on the south. The McPhail limestone is the best exposed and the thickest section of calcite carbonate facies iron formation in the Michipicoten area.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Pyrite | Economic | Ore | ||||
| 2 | Calcite | Economic | Ore |
Jan 26, 2016 (A Wilson) - The iron content is estimated to be 40% Fe, 6% Si and 38% S. The average grade of the limestone is 40.14% CaO, 1.69% MgO, 11.83% SiO2, 1.51% S, 5.48% Fe2O3 and 0.94% Al2O3. The limestone was deemed to be of too low of CaO content for use at the sintering plant at Wawa.
| Rank | Classification |
|---|---|
| 1 | Sedimentary |
| Rank | Characteristic |
|---|---|
| 1 | Concordant |
| 2 | Massive |
| Shape | Length | Thickness | Depth | Strike | Dip | Plunge | Trend | Age | Reference |
|---|---|---|---|---|---|---|---|---|---|
| Regular | 183 | 12 | 90 | 35 | 2750 MA | GOO VOL 1 |
| Shape | Length | Thickness | Depth | Strike | Dip | Plunge | Trend | Age | Reference |
|---|---|---|---|---|---|---|---|---|---|
| Regular | 183 | 48 | 90 | 45 | 2750 MA | GOO VOL 1 |
| Zone | Year | Category | Tonnes | Reference | Comments | Commodities |
|---|---|---|---|---|---|---|
| McPhail Limestone | 1971 | Unclassified | 1170000 | Aguonie - 0012 | Limestone (Chemical/Flux) 40 Percent | |
| McPhail Iron Range | 1968 | Unclassified | 491400 | OFR5588, p. 79 | Sulphur/Pyrite 30 Percent | |
| McPhail Iron Range | 1918 | Unclassified | 388800 | Aguonie-0012 | Iron 35 Percent |
Folio - Aguonie Township, District of Algoma
Publication Number: GDIF172 Date: 1997
Author: Sault Ste Marie RGO
Publisher Name: Ontario Geological Survey
Location:
Map - Precambrian Geology, Aguonie Township
Publication Number: OFM0217 Scale: 1:15,840 Date: 1993
Author: Sage R.P.
Publisher Name: Ontario Geological Survey
Location:
Map - Goudreau-Lochalsh area, District of Algoma, Ontario
Publication Number: ARM36B Scale: 1:63,360 Date: 1998
Author: Gledhill T.L., Collins W.H., Thomson E.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Goudreau-Lochalsh area, District of Algoma, Ontario
Publication Number: ARM49G Scale: 1:31,680 Date: 1997
Author: Bruce E.L.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Pyrite deposits of Ontario
Publication Number: MDC005 Page: 27 Date: 1967
Author: Hewitt D.F.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Iron deposits of Ontario
Publication Number: MDC011 Page: 49-51 Date: 1968
Author: Shklanka R.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Wawa mineral deposits data base
Publication Number: OFR5775 Page: 120-121 Date: 1991
Author: Frey E.D., Stewart R.C.
Publisher Name: Ontario Geological Survey
Location:
MonoMap - Geology of Aguonie, Bird, Finan and Jacobson Townships, District of Algoma
Publication Number: OFR5588 Page: 78-80 Date: 1993
Author: Sage R.P.
Publisher Name: Ontario Geological Survey
Location:
Book - Sudbury Timmins Algoma Mineral Program, Project 1: mineral inventory of the Sudbury-Timmins-Sault Ste. Marie region, Ontario
Publication Number: GSC OF 1087 Page: 42C-132 Date: 1985
Author: Rose, D. G.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/129999
Publication - Michipicoten Iron Ranges; Geological Survey of Canada, Memoir 147
Publication Number: GSC Memoir 147 Page: 105, 108, 110 Date: 1926
Author: Collins, W H; Quirke, T T; Thomson, E
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/100849
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