Ojibway Mine, Windsor, Essex County, Ontario, Canadai
|Regional Level Types|
|Windsor||- not defined -|
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Latitude & Longitude (WGS84):
42° 15' 21'' North , 83° 6' 2'' West
Latitude & Longitude (decimal):
Köppen climate type:
In dolomitic limestone and limy shale.
The main salt bed is 8.2 m thick and is at a depth of 289 m to 297 m below the surface. Another bed is 9 m above it. The salt is exceptionally pure containing less than 2 per cent impurities. The salt beds occur in the Salina Formation of Silurian age.
The salt bed was discovered by Canadian Rock Salt Company as a result of diamond drilling carried out in 1952. A production shaft was sunk to a depth of 335 m. The mine workings extend beneath the Detroit River. Due to water conditions (aquifers) and hydrogen sulphide gas, the ground had to be frozen to a depth of 229 m by a series of freeze-holes drilled 1 m along the circumference of a circle 9.7 m in diameter prior to shaft sinking. Production began in 1955.
Select Mineral List TypeStandard Detailed Strunz Dana Chemical Elements
Detailed Mineral List:
| ⓘ Anhydrite|
Habit: paper-thin lamellae banded with halite
Reference: Hewitt D. F. (1963) Salt in Ontario. Ontario Department of Mines Industrial Mineral Report No. 6
Habit: medium to coarse grained
Colour: colourless to white translucent
Reference: Ontario Mining & Exploration Directory 2009; Hewitt D. F. (1963) Salt in Ontario. Ontario Department of Mines Industrial Mineral Report No. 6
List of minerals arranged by Strunz 10th Edition classification
|Group 3 - Halides|
|Group 7 - Sulphates, Chromates, Molybdates and Tungstates|
List of minerals arranged by Dana 8th Edition classification
|Group 9 - NORMAL HALIDES|
|Group 28 - ANHYDROUS ACID AND NORMAL SULFATES|
List of minerals for each chemical element
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Geological Survey of Canada Miscellaneous Report 39.
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