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Ontario Geological Survey
Permanent Link to this Record:
MDI42L06NE00017
| Record Name(s) | Chimo - 1945, Holm - 1980 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Discretionary Occurrence |
| Date Created | 1980-Apr-22 |
| Date Last Modified | 2023-Aug-03 |
| Created By | |
| Revised By |
Primary Commodities: Copper
Secondary Commodities: Gold, Zinc, Lead
Township or Area: O Sullivan Lake Area
Latitude: 50° 27' 46.62" Longitude: -87° 3' 22.04"
UTM Zone: 16 Easting: 496016.58 Northing: 5590107.09 UTM Datum: NAD83
Resident Geologist District: Thunder Bay North
NTS Grid: 42L06NE
Point Location Description: General
Location Method: Conversion from MDI
1945: Chimo Gold Mines Ltd. carried out trenching and limited diamond drilling. 1983. Syngold Exploration Inc. carried out prospecting and sampling.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 2.6868 | 42L06NE0018 | 42L06NE0018 |
Province: Superior
Subprovince: Wabigoon
Terrane: Eastern Wabigoon
Belt: Onaman-Tashota
Geological Age: Archean
| Rock Type | Rank | Composition | Texture | Relationship | Mafic Tuff | 1 | Tuffaceous |
|---|
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Pyrite | Economic | Ore | ||||
| 2 | Arsenopyrite | Economic | Ore | ||||
| 3 | Pyrrhotite | Economic | Ore | ||||
| 4 | Chalcopyrite | Economic | Ore | ||||
| 5 | Sphalerite | Economic | Ore | ||||
| 6 | Galena | Economic | Ore | ||||
| 7 | Chalcocite | Economic | Ore | ||||
| 1 | Quartz | Economic | Gangue | ||||
| 2 | Albite | Economic | Gangue | ||||
| 3 | Sphene | Economic | Gangue | ||||
| 4 | Muscovite | Economic | Gangue | ||||
| 5 | Carbonate | Economic | Gangue | ||||
| 6 | Chlorite | Economic | Gangue | ||||
| 7 | Biotite | Economic | Gangue | ||||
| 8 | Tourmaline | Economic | Gangue |
Dec 17, 2020 (Therese Pettigrew) - Trenching was done on a sheared tuffaceous zone about 13 feet wide that strikes N80W. The shear zone is mineralized with pyrite, arsenopyrite, pyrrhotite, chalcopyrite, sphalerite, galena, and a little supergene chalcocite. Gangue minerals include quartz, albite, sphene, white mica, carbonate, chlorite, biotite and tourmaline. Gold is reported to have been obtained from this showing (Moorhouse, 1955). No assays have been reported.
Mono - Copper, nickel, lead and zinc deposits of Ontario
Publication Number: MDC012 Page: 349 Date: 1969
Author: Shklanka R.
Publisher Name: Ontario Dept. of Mines
Location:
Part - Geology of the O'Sullivan Lake area
Publication Number: ARV64-04 Page: 20 Date: 1997
Author: Moorhouse W.W.
Publisher Name: Ontario Dept. of Mines
Location:
Folio - O'Sullivan Lake area, District of Thunder Bay
Publication Number: GDIF017 Date: 1997
Author: Thunder Bay RGO
Publisher Name: Ontario Geological Survey
Location:
File - Resident Geologist Mineral Deposit Files
Publication Number: Min Dep Date: 1996
Author:
Publisher Name:
Location: Thunder Bay RGP
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For detailed information regarding this mineral record please contact the Thunder Bay North Resident Geologist District Office