Ontario Geological Survey
Permanent Link to this Record:
MDI42C03NW00021
| Record Name(s) | Evans Occurrence - 1988 |
|---|---|
| Related Record Type | Simple |
| Record Status | Discretionary Occurrence |
| Date Created | 2000-Dec-13 |
| Date Last Modified | 2022-Jan-05 |
| Created By | A Wilson |
| Revised By | A Wilson |
Primary Commodities: Gold
Township or Area: Keating Additional
Latitude: 48° 13' 24.77" Longitude: -85° 19' 28.71"
UTM Zone: 16 Easting: 624431.33 Northing: 5342504.05 UTM Datum: NAD83
Resident Geologist District: Sault Ste. Marie
NTS Grid: 42C03NW
Point Location Description: Grab sample from north shore of pond
Location Method: Data Compilation
Access Description: The site is accessible via the Eagle River Mine/Paint Lake road. Drive west along the road for approximately 25.5 km to the powerline. Drive north along a forestry road for approximately 12 km.
Province: Superior
Subprovince: Wawa
Terrane: Wawa-Abitibi
Belt: Michipicoten
Geological Age: Archean
Metamorphism Type: Regional
Metamorphism Grade: Greenschist
| Rock Type | Rank | Composition | Texture | Relationship | Schist-Unsubdivided | 1 | Host |
|---|---|---|---|---|
| Mafic Tuff | 2 | Tuff, Sheared | Near | |
| Intermediate Tuff | 3 | Tuff, Sheared | Near |
Dec 07, 2005 (A Wilson) - An anomalous gold value was obtained from a grab sample collected in a local shear zone. The shear zone is located at the contact between a mafic to intermediate metavolcanic flow and a felsic to intermediate crystal tuff. Carbonate alteration si pervasive and fuchsite is locally present.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Pyrite | Economic | Gangue | ||||
| Ankerite | Alteration | Carbonatization | 1 | Medium | Replacement | ||
| Fuchsite | Alteration | Carbonatization | 2 | Medium | Replacement |
Dec 07, 2005 (A Wilson) - A grab sample in a shear zone yielded 575 ppb Au.
Map - University River, Algoma and Thunder Bay districts
Publication Number: M2333 Scale: 1:63,360 Date: 1976
Author: Bennett G., Thurston P.C., Giguere J.F.
Publisher Name: Ontario Division of Mines
Mono - Geology of the Iron Lake area
Publication Number: OFR5783 Scale: Date: 1991
Author: Reilly B.A.
Publisher Name: Ontario Geological Survey
Map - Geology of the Iron Lake Area
Publication Number: OFM0116 Scale: 1:15,840 Date: 1988
Author: Reilly B.A.
Publisher Name:
Map - Operation Pukaskwa, districts of Algoma and Thunder Bay
Publication Number: P0541 Scale: 1:126,720 Date: 1997
Author: Bennett G., Thurston P.C., Giguere J.F.
Publisher Name: Ontario Dept. of Mines
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For detailed information regarding this mineral record please contact the Sault Ste. Marie Resident Geologist District Office