Ontario Geological Survey
Permanent Link to this Record:
MDI31M04SW00080
| Record Name(s) | Portage Bay Occurrence - 1969 |
|---|---|
| Related Record Type | Simple |
| Record Status | Occurrence |
| Date Created | 1980-Jun-05 |
| Date Last Modified | 2022-Jan-05 |
| Created By | Q Unknown |
| Revised By | A Wilson |
Primary Commodities: Silver
Secondary Commodities: Gold
Township or Area: Strathcona
Latitude: 47° 3' 25.25" Longitude: -79° 47' 49.58"
UTM Zone: 17 Easting: 591353 Northing: 5212202 UTM Datum: NAD83
Resident Geologist District: Kirkland Lake
NTS Grid: 31M04SW
Point Location Description: grab sample
Location Method: Data Compilation
Access Description: Outcrop on west side of highway 11 approximately 0.8 km south of Temagami.
Province: Superior
Subprovince: Abitibi
Terrane: Wawa-Abitibi
Belt: Temagami
Geological Age: Archean
| Rock Type | Rank | Composition | Texture | Relationship | Breccia-unsubdivided | 1 | Contains |
|---|---|---|---|---|
| Mafic lava flow-unsubdivided | 2 | Intrudes | ||
| Sandstone | 3 | Greywacke | Adjacent | |
| Intermediate lava flow-unsubdivided | 4 | Sheared | Host |
Oct 18, 2012 (A Wilson) - Two narrow dikes of fine-grained, altered mafic material intrude the basal breccia of the Gowganda Fm in a rock cut south of Temagami. Immediately adjacent to one of these dikes is an irregularly shaped area of massive pyrite.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Pyrite | Economic | Gangue |
Oct 18, 2012 (A Wilson) - A sample collected by G. Bennett in 1969 assayed 0.56 oz/t Ag and trace gold.
| Rank | Characteristic |
|---|---|
| 1 | Intrusive |
Map - Briggs and Strathcona townships, Nipissing District
Publication Number: M2324 Scale: 1:31,680 Date: 1976
Author: Bennett G.
Publisher Name: Ontario Division of Mines
MonoMap - Geology of the northeast Temagami area, District of Nipissing
Publication Number: R163 Scale: Date: 1978
Author: Bennett G.
Publisher Name: Ontario Geological Survey
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For detailed information regarding this mineral record please contact the Kirkland Lake Resident Geologist District Office