Ontario Geological Survey
Permanent Link to this Record:
MDI41O10NE00013
| Record Name(s) | Cleland-Lundy Occurrence - 1983, Yarwood Lake Iron Formation - 1967, Aumocho River - 9999, Canico - 1966, Yarwood Lake North Iron Formation - 1985, Siragusa #37 - 1987 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1994-Jun-23 |
| Date Last Modified | 2022-Sep-27 |
| Created By | |
| Revised By |
Primary Commodities: Iron
Township or Area: Garnet
Latitude: 47° 45' 8.47" Longitude: -82° 35' 33.44"
UTM Zone: 17 Easting: 380631.59 Northing: 5290004.21 UTM Datum: NAD83
Resident Geologist District: Timmins
NTS Grid: 41O10NE, 41O15SE
Point Location Description: Outcrop of oxide facies iron formation.
Location Method: Data Compilation
Access Description: Access into the area appears difficult and involves either flying in to one of the local lakes and traversing, or a series of canoe trips and portages followed by a traverse.
1929: Early geology maps indicate that the iron formation around Yarwood Lake has been staked since prior to 1929, as a possible iron source. Although it has been reported that the iron formation has been observed to be pitted and trenched at several locations, no record of the actual work exists in the public domain. 1966: The Canadian Nickel Co. Ltd. (INCO) drilled 2 holes into the extension of the iron formation to the southeast of the Cleland-Lundy patented claims. 1985-86: Western Pacific Energy conducted magnetic, VLF, and self potential surveys over a gridded block of claims that straddled the Wakami River and extended from the east central and northwest corner of Garnet Township. The extent of the Western Pacific claims to the northwest ended at the boundary with the Cleland-Lundy patents. The geophysics was followed by a 13 hole drill program; 7 holes on the west grid and 6 holes on the east grid. The western grid holes tested geophysical targets and intersected cherty, graphitic, and sulphide rich iron formation with intercalated metavolcanics and gabbroic intrusives. In the summer of 1986 the gridded portions of the property, as well as shorelines and roadsides, were geologically mapped and sampled.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| T-2969 / 2.8181 | 41O10NE9137 | 41O10NE9137 |
| T-2969 / 63.4494 | 41O09NW0087 | 41O09NW0087 |
| T-2969 / 2.9422 | 41O09NW0084 | 41O09NW0084 |
| T-2079 | 41O09NW0092 | 41O09NW0092 |
Province: Superior
Subprovince: Abitibi
Terrane: Wawa-Abitibi
Belt: Swayze
Tectonic Assemblage: Garnet-Tooms
Geological Age: Neoarchean Geochronological Age: 2700 MA Geochron. Age Ref.: GOO VOL 1
Metamorphism Type: Regional
Metamorphism Grade: Greenschist
| Rock Type | Rank | Composition | Texture | Relationship | Oxide Ironstone | 1 | Oxide-Facies | Banded Iron Formation | Host |
|---|---|---|---|---|
| Mafic lava flow-unsubdivided | 2 | Basalt | Near | |
| Chert | 3 | Adjacent |
Dec 07, 2005 (K Houle) - The showing of iron formation is described by Siragusa, 1987, as being interbedded chert-magnetite. The proportion of ironstone to chert is given as about 45%. One to two percent disseminated pyrite has been found locally within both the magnetite and chert layers.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Pyrite | Economic | Ore | ||||
| 2 | Magnetite | Economic | Ore | ||||
| 3 | Pyrrhotite | Economic | Ore | ||||
| 4 | Hematite | Economic | Ore | ||||
| 5 | Chalcopyrite | Economic | Ore | ||||
| 1 | Jasper | Economic | Gangue |
Dec 07, 2005 (K Houle) - A sample of fine grain massive magnetite returned an assay result of 32% iron (Siragusa, 1987). Pyrite has been found to exist locally in concentrations of 1-2% within both chert and iron formation layers. At other locations of the iron formation the unit has been described as containing chert, jasper, ferruginous argillite magnetite, hematite and in the eastern parts lenses containing pyrite, pyrrhotite, and trace chalcopyrite.
| Rank | Classification |
|---|---|
| 1 | Sedimentary |
| Rank | Characteristic |
|---|---|
| 1 | Stratiform |
| Shape | Length | Thickness | Depth | Strike | Dip | Plunge | Trend | Age | Reference |
|---|---|---|---|---|---|---|---|---|---|
| Unknown | 3657 | 60 | 270 | 80 | N/A | N/A |
Map - Geological series, Garnet Township, District of Sudbury
Publication Number: P2340 Scale: 1:15,840 Date: 1980
Author: Siragusa G.M.
Publisher Name: Ontario Geological Survey
Location:
Publication - Preliminary report on Woman river and ridout map areas, Sudbury district, Ontario; Geological Survey of Canada, Memoir 157
Publication Number: GSC Mem 157 Page: 25-26 Date: 1929
Author: Emmons, R.C. and Thomson, E.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/100840
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: 111 Date: 1985
Author: Rose, D.G.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/129999
Map - Cunningham and Garnet townships, Sudbury District
Publication Number: M2503 Scale: 1:31,680 Date: 1987
Author: Siragusa G.M.
Publisher Name: Ontario Geological Survey
Location:
Map - Cunningham-Garnet area, District of Sudbury, Ontario
Publication Number: ARM51F Scale: 1:63,360 Date: 1997
Author: Meen V.B.
Publisher Name: Ontario Dept. of Mines
Location:
Part - Geology of the Cunningham-Garnet area
Publication Number: ARV51-07 Page: 12-13 Date: 1997
Author: Meen V.B.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Geology, Swayze greenstone belt, Sultan, Ontario
Publication Number: OF 3384E Scale: 1:50,000 Date: 1999
Author: Heather, K B; Shore, G T
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/210453
MonoMap - Geology of the Chapleau area, districts of Algoma, Sudbury, and Cochrane
Publication Number: R157 Date: 1977
Author: Thurston P.C., Siragusa G.M., Sage R.P.
Publisher Name: Ontario Division of Mines
Location:
MonoMap - Geology of the Garnet Lake area, District of Sudbury
Publication Number: R248 Page: 54-55, 68 Date: 1987
Author: Siragusa G.M.
Publisher Name: Ontario Geological Survey
Location:
Book - Preliminary report on Woman River and Ridout map areas, Sudbury District, Ontario.
Publication Number: N/A Date: 1929
Author: Emmons, R.C. and Thomson, E.
Publisher Name:
Location: GSC-M157
Mono - Iron deposits of Ontario
Publication Number: MDC011 Page: 334-335 Date: 1968
Author: Shklanka R.
Publisher Name: Ontario Dept. of Mines
Location:
Book - GARNET LAKE AREA, SUDBURY DISTRICT, ONTARIO, P. 60
Publication Number: OFR5438 Date: 1983
Author: Siragusa, G.M.
Publisher Name:
Location: Timmins RGP
MonoMap - Mineral Prospects of the Swayze Greenstone Belt (Volume 1, Parts of NTS 41 O and Volume 2, Parts of NTS 41 P, 42 A and 42 B)
Publication Number: OFR5912 Page: 100-101 Date: 1995
Author: Fumerton S.L., Houle K.A.
Publisher Name: Ontario Geological Survey
Location:
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