Ontario Geological Survey
Permanent Link to this Record:
MDI31F03NW00014
| Record Name(s) | Rettans Lake - 1990 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Discretionary Occurrence |
| Date Created | 1990-Nov-09 |
| Date Last Modified | 2022-Mar-02 |
| Created By | |
| Revised By |
Primary Commodities: Nepheline Syenite
Township or Area: Denbigh
Latitude: 45° 7' 35.78" Longitude: -77° 20' 14.04"
UTM Zone: 18 Easting: 316196.595 Northing: 4999672.285 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31F03NW
Point Location Description: Point 0.7 km SW of Rettans Lake.
Location Method: Conversion from MDI
Province: Grenville
Geological Age: Mesoproterozoic
Dec 07, 2005 (C Papertzian) - Nepheline syenite is noted to occur in an area of syenite gneiss. The rock is gneissic and all the nepheline has been altered to felted areas of gieseckite. Microcline forms the bulk of the feldspar. See GR 26 for a more detailed description.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Albite | Economic | Ore | ||||
| 2 | Garnet | Economic | Ore | ||||
| 3 | Microcline | Economic | Ore | ||||
| 4 | Magnetite | Economic | Ore | ||||
| 5 | Nepheline | Economic | Ore | ||||
| 6 | Pyrite | Economic | Ore | ||||
| 7 | Augite | Economic | Ore |
MonoMap - Geology of Ashby and Denbigh townships
Publication Number: R026 Scale: Date: 1997
Author: Evans A.M.
Publisher Name: Ontario Dept. of Mines
Location:
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