Ontario Geological Survey
Permanent Link to this Record:
MDI42L03NW00008
| Record Name(s) | Central Onaman - 1985, Gustafson - 1985, Smestad-Minoletti - 1985, Bralorne - 1985, Suni Iron Project - 2010 |
|---|---|
| Related Record Type | Partial |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1985-Aug-20 |
| Date Last Modified | 2022-Feb-24 |
| Created By | |
| Revised By |
Primary Commodities: Iron
Township or Area: Suni
Latitude: 50° 11' 8" Longitude: -87° 17' 35.36"
UTM Zone: 16 Easting: 479071.39 Northing: 5559303.17 UTM Datum: NAD83
Resident Geologist District: Thunder Bay North
NTS Grid: 42L03NW
Point Location Description: Precise
Location Method: Conversion from MDI
Access Description: From Thunder Bay, the property can be reach by travelling east on highway 11/17 for approximately 110 kilometers until you reach the town of Nipigon, Ontario. From Nipigon you make a left turn onto highway 11 and follow that for approximately 160 kilometers until you reach the town of Geraldton, Ontario. The most direct access to the property is through small float equipped aircraft or helicopter. Aircraft services can be chartered from Jellicoe, Geraldton, or Nakina, Ontario.
1904: The Onaman Iron Range was discovered by survey crews of the National Transcontinental Railway. 1906-07: staking rush. 1951: Kennco Exploration Ltd. conducted an airborne magnetic survey. 1957: Can-Fer Mines Ltd. acquired the property and conducted surveys. 1958-61: Can-Fer drilled 28 DDH totalling 4245 m. 1965: Can-Fer leased the property to Algoma Steel Corporation Ltd. 2008: K. Kukkee acquired the property. 2010: K. Kukkee contracted a prospecting program. Property was optioned by Natural Resource Holdings Ltd. 2011: Natural Resource Holdings conducted an aeromagnetic survey. 2013: Resource Capital conducted claim post georeferencing, line cutting and a ground magnetic survey.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 2.48344 | 20000005680 | 20000005680 |
| 13 | 42L03NW0013 | 42L03NW0013 |
| 2.53811 | 20000007965 | 20000007965 |
| 42L03NW0005 | 20000005112 | 20000005112 |
| 2.44565 | 20000005932 | 20000005932 |
Province: Superior
Subprovince: Wabigoon
Terrane: Eastern Wabigoon
Geological Age: Archean
| Rock Type | Rank | Composition | Texture | Relationship | Ironstone-unsubdivided | 1 | Jasper And Greywacke | Host |
|---|---|---|---|---|
| Terrigenous-Clastic-Unsubdivided | 2 | Adjacent | ||
| Mafic lava flow-unsubdivided | 3 | Adjacent |
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Jasper | Economic | Ore | ||||
| 2 | Magnetite | Economic | Ore | ||||
| 3 | Hematite | Economic | Ore | ||||
| 4 | Pyrite | Economic | Ore | ||||
| 5 | Pyrrhotite | Economic | Ore | ||||
| 1 | Chert | Economic | Gangue | ||||
| 2 | Carbonate | Economic | Gangue |
Dec 16, 2015 (Therese Pettigrew) - The iron formation contain two main iron-bearing rock-types, namely, magnetic chlorite sericite schist, slaty in part, and a banded magnetic jaspilitic cherty iron formation, in which either red jasper or black chert predominates. The iron formation zones also contain grey chert bands, greywacke, dark grey to black siliceous slates, and quartz chlorite and sericite schists. The mineralogical composition of the iron formation is relatively simple, with the iron occurring in coarse and fine layers of mainly magnetite octahedra, the finer grained layers (laminae) of which show grading over several millimeters. Microfaulting and microslumping features are also associated with the fine laminae. The coarser octahedra (1 to 2 mm) are associated with a patchy distribution of carbonate and a red stain (probably hematite). Other minor iron minerals include hematite, pyrite, and pyrrhotite. Siderite has been reported in diamond drill logs of several companies. The iron minerals form thin beds 2.5 to 15 cm thick but as mentioned before in this section these thin beds are intricately interlayered with bands of approximately the same thickness, consisting of cryptocrystalline quartz in the form of red jasper, black chert, and white chert. In the composite assemblage making up the iron formation, narrower layers or laminae of nonferruginous rock that is composed of mafic minerals, amphibole (actinolite), calcite, chlorite and dumortierite and tourmaline may occur extensively. Very fine flakes of mafic minerals also occur in the iron mineral bands (AFRI 20000005680).
| Rank | Classification |
|---|---|
| 1 | Sedimentary |
| Rank | Characteristic |
|---|---|
| 1 | Stratiform |
| Shape | Length | Thickness | Depth | Strike | Dip | Plunge | Trend | Age | Reference |
|---|---|---|---|---|---|---|---|---|---|
| Unknown | 100 | 90 |
| Shape | Length | Thickness | Depth | Strike | Dip | Plunge | Trend | Age | Reference |
|---|---|---|---|---|---|---|---|---|---|
| Tabular | 30 | 90 | 75 |
| Zone | Year | Category | Tonnes | Reference | Comments | Commodities |
|---|---|---|---|---|---|---|
| Central Onaman Range | 1968 | Unclassified | 181436000 | MDC011 p. 407 | 100 million tons proved and 100 million tons of indicated reserves. This includes a rock body 3200 feet long and 800 feet wide, with an “island” of waste 1,300 by 300 feet, outlined in the Jeffries Zone which contains 60 million tons to a depth of 600 feet averaging 22.5% mag Fe. Bulk samples from 2 pits grade 29.7% Fe. | Iron 22.5 Percent |
Mono - Iron deposits of Ontario
Publication Number: MDC011 Scale: Date: 1968
Author: Shklanka R.
Publisher Name: Ontario Dept. of Mines
Location:
Article - Gledhill Lake area, District of Thunder Bay
Publication Number: MP059.011 Scale: Date: 1997
Author: Amukun S.E.
Publisher Name: Ontario Division of Mines
Location:
MonoMap - Geology of the Gledhill Lake area, District of Thunder Bay
Publication Number: R198 Scale: Date: 1981
Author: Amukun S.E.
Publisher Name: Ontario Geological Survey
Location:
Map - Gledhill Lake, Thunder Bay District
Publication Number: M2412 Scale: 1:31,680 Date: 1978
Author: Amukun S.E.
Publisher Name: Ontario Geological Survey
Location:
Book - NMINER HIST FILE T.BAY
Publication Number: N/A Scale: Date: 1996
Author:
Publisher Name:
Location:
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For detailed information regarding this mineral record please contact the Thunder Bay North Resident Geologist District Office