Ontario Geological Survey
Permanent Link to this Record:
MDI52N02SE00009
| Record Name(s) | Grassett - 1985, Uchi (Grasett) - 1985 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Past Producing Mine Without Reserves or Resources |
| Date Created | 1985-Nov-26 |
| Date Last Modified | 2022-Oct-13 |
| Created By | |
| Revised By |
Primary Commodities: Gold
Secondary Commodities: Silver
Township or Area: Earngey
Latitude: 51° 6' 6.33" Longitude: -92° 35' 22.44"
UTM Zone: 15 Easting: 528736.887 Northing: 5661221.117 UTM Datum: NAD83
Resident Geologist District: Red Lake
NTS Grid: 52N02SE
Point Location Description: Shaft symbol on KRL4505 Map 2498
Location Method: Conversion from MDI
Access Description: Trail from Lost Bay of Confederation Lake.
1937: Erie Canadian Mines - detailed underground sampling. 1969: Little Long Lac Mines - flew airborne electromagnetic and gamma-ray spectrometer surveys. 1973: Lac Minerals Ltd- conducted a humus geochemical survey, geological mapping, prospecting, overburden driling, magnetic, electromagnetic and IP. 1988: Lac Minerals - flew airborne magnetic and electromagnetic survey. 1990: Lac Minerals - conducted geological mapping and sampling. Production reported in MDI52N02SE00007.
Province: Superior
Subprovince: Uchi
Terrane: North Caribou
Domain: Uchi
Belt: Birch-Uchi
Geological Age: Archean
| Rock Type | Rank | Composition | Texture | Relationship | Felsic Tuff | 1 | Tuff | Adjacent |
|---|---|---|---|---|
| Vein | 2 | Contains |
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 5 | Gold | Economic | Ore | ||||
| 10 | Pyrite | Economic | Ore | ||||
| 15 | Pyrrhotite | Economic | Ore |
Mar 13, 2014 (Syed Ali) - Surface and underground chip samples taken by Erie Canadian assayed between 0.11 oz/t Au across 2.16 ft, to 0.54 oz/t Au. Grab samples taken from the main vein by Thurston assayed 0.25 oz/t Au. Subsidiary vein off the main vein assayed 0.32 oz/t Au. Samples taken from the vein, south of the shaft assayed between 0.03 to 0.22 oz/t Au. Two samples taken from a quartz vein by D. Panagapko assayed 0.15 and 7.85 oz/t Au.
| Zone | Year | Category | Tonnes | Reference | Comments | Commodities |
|---|---|---|---|---|---|---|
| Grasett | 1989 | Unclassified | 71030 | OFR 5835, p. 192 | Grade: 7.54 g/t Au (78 295 tons of 0.22 opt Au) Resource estimate may not be 43-101 Compliant | Gold 7.54 g/t |
Map - Earngey and Birkett townships, Kenora District
Publication Number: M2428 Scale: 1:31,680 Date: 1980
Author: Thurston P.C.
Publisher Name: Ontario Geological Survey
Location:
Part - Mines of Ontario in 1928
Publication Number: ARV38-01.003 Page: 93-94 Date: 1997
Author: Sinclair D.G., Cleland R.H., Keeley E.C., Jarrett G.S., Webster A.R.
Publisher Name: Ontario Dept. of Mines
Location:
Part - The Uchi Lake area
Publication Number: ARV47-03.002 Page: 81 Date: 1997
Author: Thomson J.E.
Publisher Name: Ontario Dept. of Mines
Location:
Part - Mines of Ontario in 1947
Publication Number: ARV57-02 Page: 36 Date: 1997
Author: Mines Inspection Branch
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Gold deposits of Ontario, part 1, districts of Algoma, Cochrane, Kenora, Rainy River, and Thunder Bay
Publication Number: MDC013 Page: 216-17, 219 Date: 1971
Author: Ferguson S.A., Groen H.A., Haynes R.
Publisher Name: Ontario Dept. of Mines and Northern Affairs
Location:
MonoMap - Geology of the Earngey-Costello area, District of Kenora, Patricia Portion
Publication Number: R234 Page: 98-101 Date: 1985
Author: Thurston P.C.
Publisher Name: Ontario Geological Survey
Location:
Mono - Report of Activities 2003, Resident Geologist Program, Red Lake Regional Resident Geologist Report: Red Lake and Kenora Districts
Publication Number: OFR6127 Date: 2004
Author: Lichtblau A.F., Hinz P., Ravnaas C., Storey C.C., Kosloski L., Raoul A.
Publisher Name: Ontario Geological Survey
Location:
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