Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI31F08NW00063

Record: MDI31F08NW00063

General

Mineral Record Identification
Record Name(s) Mississippi Mouth - 1994
Related Record Type Simple
Related Record(s)
Record Status Discretionary Occurrence
Date Created 1994-Jun-08
Date Last Modified 2022-Apr-06
Created By
Revised By

Commodities

Primary Commodities: Tourmaline



Location

Township or Area: Fitzroy

Latitude: 45° 26' 20.56"    Longitude: -76° 16' 53.19"

UTM Zone: 18    Easting: 399777.147   Northing: 5032523.166    UTM Datum: NAD83

Resident Geologist District: Southern Ontario

NTS Grid: 31F08NW

Point Location Description: Point at the mouth of the Mississippi River.

Location Method: Conversion from MDI

Access Description: At the Chats (rapids), also at the Horse Shoe Fall in 'the same neighbourhood'. Tourmaline is also noted from Fitzroy Harbour, but with no specific location.



Geology

Province: Grenville

Geological Age: Mesoproterozoic  



Geology Comments

Dec 07, 2005 (C Papertzian) - Tourmaline found in float - brown and black in quartz with calcite and mica. Small tourmaline crystals found in limestone nearby and larger black ones (with quartz and feldspar) at the Horse Shoe Fall, in the same neighbourhood.




Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
5QuartzEconomicOre
10TourmalineEconomicOre

Mineral Record Details

References

Publication - Report of progress for the year 1845-6

Publication Number: Rep Prog 1845-6 Page: 49  Date: 1996

Author: Logan, W E

Publisher Name: Geological Survey of Canada

Location: https://doi.org/10.4095/123555


Publication - A list of Canadian mineral occurrences; Geological Survey of Canada, Memoir no. 74

Publication Number: GSC Mem 74 Page: 227  Date: 1915

Author: Johnston, R A A

Publisher Name: Geological Survey of Canada

Location: https://doi.org/10.4095/101571


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