Ontario Geological Survey
Permanent Link to this Record:
MDI52B08SE00003
| Record Name(s) | Strange - 1979, Mount Edna - 1979, Gunflint Property - 2009 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Developed Prospect With Reported Reserves or Resources |
| Date Created | 1979-Jul-25 |
| Date Last Modified | 2022-Jan-27 |
| Created By | |
| Revised By |
Primary Commodities: Iron
Township or Area: Jean, Strange
Latitude: 48° 15' 14.86" Longitude: -90° 2' 10.57"
UTM Zone: 15 Easting: 719982 Northing: 5348793 UTM Datum: NAD83
Resident Geologist District: Thunder Bay South
NTS Grid: 52B01NE, 52B08SE
Point Location Description: General
Location Method: Conversion from MDI
Access Description: Access to the property is along paved highways all the way from Thunder Bay, and thence via an all-weather gravel and dirt road along the Jean/Strange Townships boundary, north from Highway 622 a distance of less than 3 km. Other roads constructed by the Abitibi Bowater Company in the 1980s and 1990s were constructed into other parts of this property and can be accessed by 4 wheel drive vehicles or all-terrain vehicle.
1924: limited drilling program for iron in Strange Township. 1952: L.K. Johnson Explorations Ltd. drilled 1 DDH totalling 100 m. 1960: Flintrock Mines drilled 7 DDH totalling 613 m. 1962: Flintrock drilled 6 DDH totalling 610 m. 2007: Staked by K.R. Kukkee. 2008: Raytec Metals Corp. conducted geological mapping, prospecting, rock sampling and radiometric surveys. 2009: Canada Iron Inc. purchased the property. 2010: Canada Iron conducted airborne EM and mag geophysical surveys. 2011: Canada Iron conducted prospecting and sampling. 2012: Canada Iron drilled 1 DDH totalling 155.4 m.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 2.44637 | 20000005945 | 20000005945 |
| 63.5399 | 52B08SW0001 | 52B08SW0001 |
| 10 | 52B08SW0002 | 52B08SW0002 |
| 2.40148 | 20000003742 | 20000003742 |
| 2.49214 | 20000006688 | 20000006688 |
| 2.51851 | 20000008892 | 20000008892 |
Province: Superior
Subprovince: Wawa
Terrane: Wawa-Abitibi
Geological Age: Paleoproterozoic
May 28, 2015 (Therese Pettigrew) - The Property lies in the western portion of the Wawa Subprovince, an Archean granite-greenstone gneiss terrain, which is part of the Superior Province of the Canadian Shield. Uncomformably overlying this Archean terrain is the Paleoproterozoic Anikimie series of sediments containing the Gunflint Formation, a thick series of iron formation, chert and argillite, which is in a conformable contact with the overlying Rove shales and argillites. Intruding into the Rove Formation is the Keeweenawan diabase in the form of dikes and sills.
| Rock Type | Rank | Composition | Texture | Relationship | Ironstone-unsubdivided | 1 | Is |
|---|---|---|---|---|
| Mafic lava flow-unsubdivided | 2 | Adjacent |
May 28, 2015 (Therese Pettigrew) - The Algoman granite is described by A.M. Goodwin in his 1960 report. This rock type was observed along the north bank of the Whitefish River. At the location observed this granite was pale pink on a weathered surface, equigranular, and medium grained. Occasional minor clots and inclusions of chlorite schist were observed and the granite appeared mostly unaltered and fresh appearing. Resting unconformably upon the granite is the Lower Gunflint formation which consists of a basal conglomerate, a lower algal chert, lower shale, and a lower taconite. The Middle Gunflint Formation is a thick sequence of argillite-tuff. The Upper Gunflint Formation is composed of from lower to upper, the Upper Algal Chert, the Upper Jasper, the Upper Shale, the Upper Shale and the Upper Taconite. The best exposures of the Gunflint have been found around Divide Ridge, and Mt. Edna. In the location where the bulk sample was taken, careful attention was paid to the detailed lithology within the Gunflint, as there is in this location a 35 m high vertical section of the Upper Gunflint exposed. Other large exposures of the Upper Gunflint were observed around the north side of Mt. Edna, and along some of the roads and trails on the east side of Divide Ridge. Gunflint beds appear to thin out and end in the area of the south branch of the Whitefish River. In an area on the west side ofMt. Edna, Mt. Marny and around Mink Mountain, west of the claims, are exposures of Rove Argillite. These are black in colour, friable, and often contain vugs filled with quartz and calcite. Quartz-carbonate veining can be found around some of these areas, as well as weak to moderate gossan, especially near Mt. Marny. The Keewanawan diabase intrudes the Animikie sediments most often as gently dipping, sills up to 100 m thick capping the Arnimikie Gunflint. This diabase is dark grey to black, medium grained and usually exhibits weak to moderate magnetism. Where the diabase has been observed in contact with the Gunflint taconite beds, the magnetite content is markedly higher and a chill margin can be observed in the diabase. Pieces of this diabase where it is in contact with the Gunflint taconite contain more magnetite than the usual diabase. Gunflint that is exposed beneath the diabase mesas that form the tops of Mt. Marny and Mt. Edna as well as Divide Ridge contains a thick section of magnetite-rich beds, ranging from strongly magnetic just below the contact to moderately magnetic tens of metres below the upper contact of the diabase (AFRI 2.49214).
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Hematite | Economic | Ore | ||||
| 2 | Magnetite | Economic | Ore | ||||
| 3 | Chert | Economic | Ore | ||||
| 4 | Jasper | Economic | Ore | ||||
| 5 | Greenalite | Economic | Ore |
May 28, 2015 (Therese Pettigrew) - Samples from the NW face of Divide Ridge assayed 34.1% and 33.9% Fe and gave concentrates of 54.0 and 50.9% Fe at -200M with 30.2 and 35.2% weight recovery (Shklanka, 1968). The primary deposit in the area is a Superior-type Banded Iron Formation. The iron formation is chemically derived and is a typical taconite with an average grade in the 25 to 30% Fe range over intervals exceeding 100 m (AFRI 2.49214). Chip samples collected in 2008 of the upper magnetite-hematite taconite unit average 22% total iron and 6.4% magnetite. Historic drill data indicate that the iron formations on the property have thicknesses of up to 90 m (average 57 m) (AFRI 2.40148).
| Rank | Classification |
|---|---|
| 1 | Sedimentary |
| Rank | Characteristic |
|---|---|
| 1 | Stratiform |
| Zone | Year | Category | Tonnes | Reference | Comments | Commodities |
|---|---|---|---|---|---|---|
| Mt Edna | 1968 | Unclassified | 245000000 | Shklanka, 1968 p. 386 | Historic, not NI 43-101 compliant. Averaging 26.29% Fe contained in an area of 6,000 by 1,500 feet to a depth of 30 feet. | Iron 26.29 Percent |
Part - Gunflint iron range in the vicinity of Port Arthur
Publication Number: ARV69-07.001 Page: 41-63 Date: 1998
Author: Moorhouse W.W.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Iron deposits of Ontario
Publication Number: MDC011 Page: 396 Date: 1968
Author: Shklanka R.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Whitefish Lake area, Gunflint iron range, District of Thunder Bay
Publication Number: M1960I Scale: 1:31,680 Date: 1997
Author: Goodwin A.M.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Geological compilation series, Lakehead-Shebandowan sheet, District of Thunder Bay
Publication Number: P0177 Scale: 1:126,720 Date: 1997
Author: Pye E.G., Fenwick K.G.
Publisher Name: Ontario Dept. of Mines
Location:
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