Ontario Geological Survey
Permanent Link to this Record:
MDI31C12SE00322
| Record Name(s) | East Twin Sister - 1991 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Discretionary Occurrence |
| Date Created | 1991-Mar-18 |
| Date Last Modified | 2022-Mar-02 |
| Created By | |
| Revised By |
Primary Commodities: Silver
Township or Area: Marmora
Latitude: 44° 35' 54.21" Longitude: -77° 45' 21.06"
UTM Zone: 18 Easting: 281283.629 Northing: 4942032.906 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31C12SE, 31C12SW
Point Location Description: Ag symbol 0.3 km west of East Twin Sister Lake.
Location Method: Conversion from MDI
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Pyrite | Economic | Ore | ||||
| 2 | Pyrrhotite | Economic | Ore | ||||
| 3 | Tremolite | Economic | Ore |
Dec 07, 2005 (D Laidlaw) - Sample assayed 0.18 oz/ton silver.
Map - Geological series, Precambrian geology, Marmora Township, northern part, Hastings County
Publication Number: P2612 Scale: 1:15,840 Date: 1983
Author: Bartlett J.R., Moore J.M.
Publisher Name: Ontario Geological Survey
Location:
Mono - Geology of Belmont, Marmora, and southern Methuen townships, Peterborough and Hastings counties
Publication Number: OFR5537 Scale: Date: 1985
Author: Bartlett J.R., Moore J.M.
Publisher Name: Ontario Geological Survey
Location:
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