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Clifton Quarry, Windsor, Hants Co., Nova Scotia, Canada

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Latitude & Longitude (WGS84): 44° 59' 24'' North , 64° 8' 16'' West
Latitude & Longitude (decimal): 44.99000,-64.13778
Köppen climate type:Dfb : Warm-summer humid continental climate

A lost locality that was collected by Henry How (howlite) in the mid/late 1800s. On the Clifton Estate, site of the Haliburton House. The site was a gypsum quarry with some borates and other evaporite minerals.

How referred to the minerals as:
natro-boro-calcite (ulexite)
glauber salt (mirabilite)
cryptomorphite (ginorite)

This was the first Canadian occurrence for each of these minerals. It was the second known occurrence worldwide of ulexite.

The quarry occupied both sides of what is now Clifton Ave. The east side was filled in in the mid 1900s and is now built over. The west side is now flooded and is a lake.

Commodity List

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

Mineral List

6 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

Early Carboniferous
323.2 - 358.9 Ma

ID: 2683225
Wentworth Station, Miller Creek, MacDonald Road and Elderbank Formations

Age: Mississippian (323.2 - 358.9 Ma)

Stratigraphic Name: Wentworth Station Formation; Miller Creek Formation; MacDonald Road Formation; Elderbank Formation

Description: Gypsum, minor siltstone, marine limestone, and dolostone (Viséan (Holkerian), B subzone fauna and spores); includes the Wentworth Station Formation, Miller Creek Formation, MacDonald Road Formation, and Elderbank Formation

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, used under Creative Commons Attribution 4.0 License

This page 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.


Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
How, H. (1857) On the Occurrence of Natro-Boro-Calcite with Glauber Salt in the Gypsum of Nova Scotia. The Edinburgh New Philosophical Journal: 6: 54-60.
How, H. (1861) On Natro-boro-calcite and another Borate occurring in the Gypsum of Nova Scotia. The American Journal of Science and Arts, Second Series: 32: 9-13.
Hey, M.H., Bannister, M.A. (1952) The identity of cryptomorphite and ginorite. Mineralogical Magazine: 29(218): 955-959.

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