Ontario Geological Survey
Permanent Link to this Record:
MDI41O04NW00009
| Record Name(s) | Butter Tin - 1925, Browne Lake - 1985 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1991-Sep-01 |
| Date Last Modified | 2022-Nov-28 |
| Created By | |
| Revised By |
Primary Commodities: Iron
Township or Area: Gapp
Latitude: 47° 7' 40.67" Longitude: -83° 54' 57.75"
UTM Zone: 17 Easting: 278842.98 Northing: 5223510.831 UTM Datum: NAD83
Resident Geologist District: Sault Ste. Marie
NTS Grid: 41O04NW
Point Location Description: Iron formation
Location Method: Conversion from MDI
Access Description: The occurrence is lcoated 100 metres west of Butter Tin Lake, 2.5 kilometres north est of of Hanes Lake.
Mapping and sampling work was conducted in 1925 by the Ontario Department of Mines by E.S. Moore. In 1959, a geological, ground mag was conducted by Algoma Ore Properties Ltd. In 1965 12 diamond drill holes were completed at 2546 feet by Algoma Ore Properties Ltd.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| Gapp-0010-A1 | 41O04NW0005 | 41O04NW0005 |
| Gapp-0011 | 41O04NW0007 | 41O04NW0007 |
Province: Superior
Subprovince: Abitibi
Terrane: Wawa-Abitibi
Belt: Batchawana
Geological Age: Early Precambrian
| Rock Type | Rank | Composition | Texture | Relationship | Ironstone-unsubdivided | 1 | Is |
|---|
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Magnetite | Economic | Ore | ||||
| 2 | Hematite | Economic | Ore | ||||
| 3 | Pyrite | Economic | Ore | ||||
| 1 | Jasper | Economic | Gangue |
Aug 20, 2010 (A Pace) - Band of iron formation runs from a point a little southwest of Butter Tin lake northwestward to the township boundary. Sourtheast of the lake it is of no importance as it consists of narrow stringers, but on the west shore it widens out to a considerable width. Diabase cuts off the band under the lake and breaks it up very badly on the west shore and at intervals. The iron formation would run about 33% iron, some of which is in the form of red jasper. Following a range N65W along the strike, several strippings are found and a little blasting has been done. A specimen of the siliceous magnetite analyzed by the provinical assayer gave 34.04% iron. Another band running parallel to the one just described contains 2 patches of high grade ore in two small sections. There is a band of magnetite between four and six feet wide which can be traced nearly 100 feet, the sample anaylzed by the Provincial assayer gave 59.60% iron. Another narrow band was also found in the formation which showed fair grade ore. The iron formation in this locality is about eighty feet wide but it is cut up by greenstone and diabase. Another band was followed up and was estimated to run between 30 and 35% iron of which a considerable amount is hematite in magnetite and silica. Stripping illustrated the iron formation to be 100 feet wide and although on the whole it is quite lean, one band about two feet wide and a few yards long is of good grade magnetite. An analysis of a picked specimen ran 64.65% iron.
| Rank | Classification |
|---|---|
| 1 | Exhalative |
| Rank | Characteristic |
|---|---|
| 1 | Sheared |
Map - Mississagi Reserve and Goulais River iron ranges, districts of Algoma and Sudbury, Ontario
Publication Number: ARM34D Scale: 1:63,360 Date: 1997
Author: Moore E.S.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Geological series, Quinn Lake area (eastern half), District of Algoma
Publication Number: P1834 Scale: 1:15,840 Date: 1978
Author: Siragusa G.M.
Publisher Name: Ontario Geological Survey
Location:
Map - Geological series, Precambrian geology of the Quinn Lake area, Algoma District
Publication Number: P2580 Scale: 1:15,840 Date: 1982
Author: Siragusa G.M.
Publisher Name: Ontario Geological Survey
Location:
Part - Mississagi Reserve and Goulais River iron ranges, District of Algoma
Publication Number: ARV34-04.001 Page: 28-31 Date: 1998
Author: Moore E.S.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Geological series, Precambrian geology, Batchawana synoptic project, Welcome Lake-Ranger Lake sheet, districts of Algoma and Sudbury
Publication Number: P3064 Scale: 1:50,000 Date: 1987
Author: Grunsky E.C.
Publisher Name: Ontario Geological Survey
Location:
Map - Geological series, Cowie Lake area, District of Algoma
Publication Number: P1562 Scale: 1:15,840 Date: 1978
Author: Grunsky E.C., Arengi J.T.
Publisher Name: Ontario Geological Survey
Location:
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