Ontario Geological Survey
Permanent Link to this Record:
MDI31F06NE00031
| Record Name(s) | Southeast of Mud Lake - 1898 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Discretionary Occurrence |
| Date Created | 1991-Jun-24 |
| Date Last Modified | 2022-Feb-24 |
| Created By | |
| Revised By |
Primary Commodities: Nepheline Syenite
Township or Area: Sebastopol
Latitude: 45° 23' 40.12" Longitude: -77° 9' 41.23"
UTM Zone: 18 Easting: 330817.998 Northing: 5029045.997 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31F06NE
Point Location Description: approximate
Location Method: Data Compilation
Access Description: 1.5 km west of Rileys (Clontarf) Lake.
Province: Grenville
Subprovince: Central Metasedimentary Belt
Geological Age: Mesoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Syenite | 1 | Nepheline Syenite | Gneissic | Is |
|---|
Jun 15, 2011 (A Wilson) - A layer about 20m thick of nepheline syenite gneiss occurs in the Mud Lake area. The strike length is unknown due to lack of exposure. The layer is characterized by 20% elongated nepheline. The mineralogy of the gneiss is biotite-magnetite-nepheline-plagioclase. The biotite and magnetite constitute up to 4% of the rock.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Corundum | Economic | Ore | ||||
| 2 | Nepheline | Economic | Ore |
MonoMap - Geology of the Clontarf area, Renfrew County
Publication Number: R209 Scale: Date: 1981
Author: Themistocleous S.G.
Publisher Name: Ontario Geological Survey
Location:
MonoMap - Industrial minerals of the Algonquin region
Publication Number: OFR5425 Scale: Date: 1983
Author: Martin W.
Publisher Name: Ontario Geological Survey
Location:
Part - Economic geology of eastern Ontario, corundum and other minerals
Publication Number: ARV07-03.001 Scale: Date: 1998
Author: Miller W.G., Goodwin W.L.
Publisher Name: Ontario Bureau of Mines
Location:
Map - Clontarf, Renfrew County
Publication Number: M2433 Scale: 1:31,680 Date: 1980
Author: Themistocleous S.G.
Publisher Name: Ontario Geological Survey
Location:
Map - Geological series, Clontarf area, Renfrew County, southern Ontario
Publication Number: P1560 Scale: 1:15,840 Date: 1978
Author: Themistocleous S.G.
Publisher Name: Ontario Geological Survey
Location:
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