Ontario Geological Survey
Permanent Link to this Record:
MDI31F04NE00079
Record Name(s) | Parkhurst - 1920 |
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Related Record Type | Simple |
Related Record(s) | |
Record Status | Occurrence |
Date Created | 1990-Aug-20 |
Date Last Modified | 2022-Jul-06 |
Created By | |
Revised By |
Primary Commodities: Mineral Specimen, Tourmaline
Township or Area: Ashby
Latitude: 45° 7' 58.22" Longitude: -77° 31' 2.07"
UTM Zone: 18 Easting: 302062.011 Northing: 5000789.982 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31F04NE
Point Location Description: 0.75 Km. south of Parkhurst Lake. It lies in the north half of lot 31,conc.14,Ashby Twp..
Location Method: Conversion from MDI
Collected by Dr. W. G. Miller in 1920. One of very few occurrences of dumortierite in Canada.
Province: Grenville
Subprovince: Central Metasedimentary Belt
Geological Age: Mesoproterozoic
Dec 07, 2005 (C Papertzian) - Dumortierite occurs as deep blue, sometimes radiating , crystals in a pegmatite band in the gneiss complex of the north half of lot 31 ,concession 14, Ashby Township. The pegmatite is medium - grained and consists largely of quartz and feldspar with muscovite, tourmaline and kyanite in subordinate proportions.
Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
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1 | Dumortierite | Economic | Ore | ||||
2 | Kyanite | Economic | Ore | ||||
3 | Tourmaline | Economic | Ore |
Book - Contributions to Canadian Mineralogy 1922
Publication Number: Can Min1922 Page: 80-83 Date: 1922
Author:
Publisher Name: University of Toronto Press
Location: https://www.mineralogicalassociation.ca/wordpress/wp-content/uploads/2020/10/1922.pdf
Book - Notes on Canadian Minerals (Caledonite, Dumortierite, Stephanite, Matildite, and Gersdorffite); In: University of Toronto Studies, Geological Series; Contributions to Canadian Mineralogy 1921, vol. 12
Publication Number: Can Min1921 Page: 69 Date: 1921
Author:
Publisher Name: University of Toronto Press
Location: https://www.mineralogicalassociation.ca/wordpress/wp-content/uploads/2020/10/1921.pdf
Publication - A Catalogue of Canadian Minerals; Geological Survey of Canada, Paper 69-45
Publication Number: Paper 69-45 Page: 190 Date: 1972
Author: Traill, R J
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/102924
Publication - Catalogue of Canadian minerals; Geological Survey of Canada, Paper 80-18
Publication Number: Paper 80-18 Page: 132 Date: 1980
Author: Traill, R J
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/119519
Mono - A catalogue of the Ontario localities represented by the mineral collection of the Royal Ontario Museum
Publication Number: MP070 Page: 137 Date: 1977
Author: Satterly J.
Publisher Name: Ontario Geological Survey
Location:
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