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Milford quarry (National Gypsum quarry), East Milford, Halifax Co., Nova Scotia, Canada

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Latitude & Longitude (WGS84): 45° 0' 46'' North , 63° 25' 5'' West
Latitude & Longitude (decimal): 45.01302,-63.41822


The largest gypsum quarry in the world. In operation since 1954. In 2015 it received approval for an expansion that would allow mining for at least 20 more years.

The gypsum it sent by train to Bedford Basin where it is loaded onto boats and sent to the United States for processing into wallboard.

In 1991 a mastodon skeleton was found at the quarry.

Mineral List


3 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
White Quarry, Stewiacke, Carrolls Corner, Macumber and Gays River Formations

Age: Mississippian (323.2 - 358.9 Ma)

Stratigraphic Name: White Quarry Formation; Stewiacke Formation; Carrolls Corner Formation; Macumber Formation; Gays River Formation

Description: Anhydrite, salt, marine dolostone and limestone (Viséan (Arundian), A subzone fauna and spores); includes the White Quarry Formation, Stewiacke Formation, Carrolls Corner Formation, Macumber Formation, and Gays River Formation; angular unconformity on Cheverie Formation, Devonian granitoids and Meguma Group

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.

References

Papezik, V.S., Fong, C.C.K. (1975) Howlite and Ulexite from Carboniferous Gypsum and Anhydrite Beds in Western Newfoundland. Canadian Mineralogist: 13: 370-376.

External Links

http://thechronicleherald.ca/business/1270033-national-gypsum-moving-ahead-with-expansion-plans-in-milford - National Gypsum moving ahead with expansion plans in Milford

http://novascotia.ca/natr/meb/fieldtrip/stop3.asp - The East Milford Quarry Type Section in the Hants (Carboniferous) Lowlands

http://rruff.info/doclib/cm/vol13/CM13_370.pdf - Papezik, V.S., and Fong, C.C.K. (1975) "Howlite and Ulexite from Carboniferous Gypsum and Anhydrite Beds in Western Newfoundland", Canadian Mineralogist, 13, 370-376.

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