Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI31D16NW00102

Record: MDI31D16NW00102

General

Mineral Record Identification
Record Name(s) Fortescue Lake - 1977
Related Record Type Simple
Related Record(s)
Record Status Discretionary Occurrence
Date Created 1993-Mar-31
Date Last Modified 2022-Mar-02
Created By
Revised By

Commodities

Primary Commodities: Tremolite



Location

Township or Area: Glamorgan

Latitude: 44° 52' 55.48"    Longitude: -78° 21' 34"

UTM Zone: 17    Easting: 708543   Northing: 4973243.01    UTM Datum: NAD83

Resident Geologist District: Southern Ontario

NTS Grid: 31D16NW

Point Location Description: Point 0.3 km west of Fortescue.

Location Method: Data Compilation



Exploration History

ROM specimen.


Geology

Province: Grenville

Subprovince: Central Metasedimentary Belt

Terrane: Bancroft

Geological Age: Mesoproterozoic  



Geology Comments

Dec 07, 2005 (C Papertzian) - A sample of tremolite from this lot is at the ROM.




Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Marble 1 Phlogopite Host

Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1TremoliteEconomicOre

Mineral Record Details

References

Mono - A catalogue of the Ontario localities represented by the mineral collection of the Royal Ontario Museum

Publication Number: MP070 Scale:     Date: 1977

Author: Satterly J.

Publisher Name: Ontario Geological Survey

Location:


Map - Glamorgan Township, Haliburton County

Publication Number: M2173 Scale: 1:31,680    Date: 1970

Author: Armstrong H.S., Gittins J.

Publisher Name: Ontario Dept. of Mines

Location:


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For detailed information regarding this mineral record please contact the Southern Ontario Resident Geologist District Office