Ontario Geological Survey
Permanent Link to this Record:
MDI52M01NE00009
| Record Name(s) | W. Hermiston Occurrence - 1976 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Discretionary Occurrence |
| Date Created | 1997-Jan-09 |
| Date Last Modified | 2022-Mar-02 |
| Created By | |
| Revised By |
Primary Commodities: Gold
Secondary Commodities: Silver
Township or Area: Ball
Latitude: 51° 2' 4.81" Longitude: -94° 10' 39"
UTM Zone: 15 Easting: 417438 Northing: 5654340 UTM Datum: NAD83
Resident Geologist District: Red Lake
NTS Grid: 52M01NE
Point Location Description: Showing on OGS map P0792
Location Method: Data Compilation
1953: West Red Lake Gold Mines Ltd. carried out mapping. 1969: Ontario Geological Survey collected grab samples. 1976: W. Hermiston owned property. 1979: drilled one diamond drill hole totalling 135.4 m.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 38 | 52M01SE0171 | 52M01SE0171 |
| 63.4076 | 52M01SE0028 | 52M01SE0028 |
Province: Superior
Subprovince: Uchi
Terrane: North Caribou
Domain: Uchi
Belt: Red Lake
Geological Age: Archean
Metamorphism Type: Regional
Metamorphism Grade: U. Greenschist
Dec 07, 2005 (K R Kettles) - This island is underlain by intermediate lava, chert-sulphide iron formation and porphyritic hornblende trondhjemite. Riley indicates an east-west striking shear zone exists on the island's south shore, and that gold occurs here.
| Rock Type | Rank | Composition | Texture | Relationship | Intermediate lava flow-unsubdivided | 1 | Lava | Near |
|---|---|---|---|---|
| Ironstone-unsubdivided | 2 | Chert-Sulphide | Iron Formation | Host |
| Tonalite | 3 | Hornblende Trondhjemite | Porphyritic | Near |
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Gold | Economic | Ore | ||||
| 2 | Silver | Economic | Ore | ||||
| 3 | Pyrite | Economic | Ore | ||||
| 4 | Chalcopyrite | Economic | Ore |
Dec 07, 2005 (K R Kettles) - Gold, silver, minor pyrite, and chalcopyrite probably occurs in chert-sulphide iron formation within a shear zone. A grab sample collected by the OGS in 1969 assayed: 0.01 opt Au and 0.23 opt Ag.
Mono - Gold occurrences, prospects, and deposits of the Red Lake area, volumes 1 and 2
Publication Number: OFR5558 Scale: Date: 1987
Author: Durocher M.E., Burchell P.S., Andrews A.J.
Publisher Name: Ontario Geological Survey
Location:
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