Ontario Geological Survey
Permanent Link to this Record:
MDI31F04NE00025
| Record Name(s) | York River Group - 1954 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Discretionary Occurrence |
| Date Created | 1990-Oct-26 |
| Date Last Modified | 2022-Jan-28 |
| Created By | |
| Revised By |
Primary Commodities: Nepheline Syenite
Township or Area: Carlow
Latitude: 45° 11' 39.18" Longitude: -77° 42' 37.5"
UTM Zone: 18 Easting: 287101 Northing: 5008100.002 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31F04NE
Point Location Description: Point 1.5 Km S of Branch Bay.
Location Method: Data Compilation
Access Description: 3 outcrop areas on the E side of the York River.
1947-53: L. Moyd - stripping, trenching, DD
Province: Grenville
Subprovince: Central Metasedimentary Belt
Geological Age: Mesoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Gneiss-Unsubdivided | 1 | Nepheline-Plagioclase | Host |
|---|
Oct 28, 2011 (A Wilson) - Nepheline-plagioclase gneiss occurs interbedded with nepheline-poor plagioclase gneiss, pink leuco-syenite and syenite pegmatite.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Nepheline | Economic | Ore |
Oct 28, 2011 (A Wilson) - Stringers of nepheline pegmatite cut the nepheline gneisses. The nepheline-plagioclase rock is a medium-grained gneiss consisting of up to 50% nepheline.
Part - Geology of Monteagle and Carlow townships
Publication Number: ARV63-06 Scale: Date: 1998
Author: Hewitt D.F.
Publisher Name: Ontario Dept. of Mines
Location:
Part - Nepheline syenite deposits of southern Ontario
Publication Number: ARV69-08 Scale: Date: 1997
Author: Hewitt D.F., Armstrong H.S., Tilley C.E.
Publisher Name: Ontario Dept. of Mines
Location:
MonoMap - Industrial minerals of the Algonquin region
Publication Number: OFR5425 Scale: Date: 1983
Author: Martin W.
Publisher Name: Ontario Geological Survey
Location:
Map - Monteagle and Carlow townships, County of Hastings, Ontario
Publication Number: M1954-03 Scale: 1:31,680 Date: 1997
Author: Hewitt D.F.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Precambrian Geology, Bancroft Area
Publication Number: P3385 Scale: 1:50,000 Date: 1998
Author: Lumbers S.B., Vertolli V.M.
Publisher Name: Ontario Geological Survey
Location:
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