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Clark Mine (Ball Mine; Topspar Mine), Cardiff Township, Haliburton Co., Ontario, Canada

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Latitude & Longitude (WGS84): 45° 4' 36'' North , 78° 9' 32'' West
Latitude & Longitude (decimal): 45.0766666667, -78.1588888889

In syenite pegmatite intruding hornblende gneiss.

"The deposit was worked for fluorite by Mr. W.E Clark from 1940 to 1942; shipments totalling 27.2 t of acid-grade fluorite were made. The ore was obtained from several pits and trenches extending over a distance of 180 m along the top of a hill. In 1950 Topspar Fluorite Mines, Limited conducted exploration consisting of an open-cut (3 m by 24 m) and an adit driven 27 m from the south end of the cut on the north side of the hill. A mill was conducted on the site."

Mineral List

7 valid minerals.

The above list contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Satterly, J. (1943) Mineral Occurrences in the Haliburton Area, Ontario Department of Mines, Annual report, ARV52, Pt.2, p.34.

Gordon, J.B., Rybak U.C., and Robertson J. A. (1981) Uranium and Thorium Deposits of Southern Ontario, Ontario Geological Survey, Open File Report 5311, p.177.

Ann P.Sabina (1986), Rocks and Minerals for the Collector, Bancroft-Parry Sound Area and Southern Ontario. GSC Misc. Report 39.

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