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National Gypsum Company quarries, Dingwall, Victoria Co., Nova Scotia, Canada

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Latitude & Longitude (WGS84): 46° 53' 36'' North , 60° 29' 2'' West
Latitude & Longitude (decimal): 46.89361,-60.48389
Köppen climate type:Dfb : Warm-summer humid continental climate

Abandoned gypsum mine located on the North end of Cape Breton Island. The deposit was last worked in 1955.

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

Mineral List

7 valid minerals.

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Early Carboniferous
323.2 - 358.9 Ma

ID: 2682984
Windsor Group

Age: Mississippian (323.2 - 358.9 Ma)

Stratigraphic Name: Hood Island Formation; Woodbine Road Formation; Uist Formation; Loch Lomond Formation; Enon Formation; Meadows Road Formation; Kempt Head Formation; Sydney River Formation; Gays River Formation; MacBeth Brook Formation; Macumber Formation

Description: Consists of the Upper Windsor Group, Middle Windsor Group, and Lower Windsor Group. Upper Windsor Group: mudstone, sandstone, minor conglomerate, gypsum and shallow marine limestone, 100-700 m (Viséan (Holkerian-Asbian), C-E subzones fauna and spores); includes the Hood Island Formation, Woodbine Road Formation, and Uist Formation; conformable-disconformable on Middle Windsor Group. Middle Windsor Group: halite, anhydrite, gypsum, mudstone, siltstone, sandstone, conglomerate, 300 m (Viséan (Holkerian), B subzone fauna and spores); includes the Loch Lomond Formation, Enon Formation, and Meadows Road Formation; conformable-disconformable on Lower Windsor Group. Lower Windsor Group: anhydrite, salt, gypsum, shale, marine dolostone and limestone >150m (Viséan (Arundian), A subzone fauna and spores); includes the Kempt Head Formation, Sydney River Formation, Gays River Formation, MacBeth Brook Formation, and Macumber Formation; disconformable-unconformable on Horton Group and older rocks

Reference: Kippie, J.D. (compiler), B.E. Fisher, J.C. Poole. Geological Map of the Province of Nova Scotia, Scale 1:500 000. Nova Scotia Department of Natural Resources. [118]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

This page contains all mineral locality references listed on mindat.org. 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 mindat.org 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.


Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Sabina, A.P. (1965) Rocks & minerals for the collector; Northeastern Nova Scotia, Cape Breton & Prince Edward Island. Geological Survey of Canada Paper 65-10: 24. (reprinted in 1973)
Goodman, N.R. (1952) Gypsum and Anhydrite in Nova Scotia. Nova Scotia Department of Mines, Memoir No. 1, 77 pp.

External Links

http://ngc-heritage.com/op-novascotia.htm - National Gypsum Company heritage page.

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