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Potash Corporation of Saskatchewan Mine (PCS Mine; Potash Corporation of America Mine), Penobsquis, Cardwell Parish, Kings Co., New Brunswick, Canada

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Latitude & Longitude (WGS84): 45° 45' 15'' North , 65° 25' 15'' West
Latitude & Longitude (decimal): 45.75417,-65.42111
Köppen climate type:Dfb : Warm-summer humid continental climate

A potash mine in the Mississippian Windsor Group evaporites. Former Potash Corporation of America Mine.

Mineral List

39 valid minerals. 5 (TL) - type locality of 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

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.


Roulston, B.V. and Waugh, D.C.E. (1981) A borate mineral assemblage from Penobsquis and Salt Springs evaporite deposits of southern New Brunswick. Canadian Mineralogist: 19: 291-301.

Mandarino, J.A., Rachlin, A.L., Dunn, P.J., Le Page, Y., Back, M.E., Murowchick, B.L., Ramik, R.A., and Falls, R.B. (1990) Redefinition of volkovskite and its description from Sussex, New Brunswick. Canadian Mineralogist: 28: 351-356.

Burns, P.C., Hawthorne, F.C., and Stirling, J.A.R. (1992) Trembathite, (Mg,Fe)3B7O13Cl, a new borate mineral from the Salt Springs potash deposit, Sussex, New Brunswick. Canadian Mineralogist: 30: 445-448.

Roberts, A.C., Stirling, J.A.R., Grice, J.D., Burns, P.C., Roulston, B.V., Curtis, J.D., and Jambor, J.L. (1993) Pringleite and ruitenbergite, polymorphs of Ca9B26O34(OH)24Cl4$13H2O, two new mineral species from Sussex, New Brunswick. Canadian Mineralogist: 31: 795-800.

Grice, J.D., Burns, P.C., and Hawthorne, F.C. (1994) Determination of the megastructures of the borate polymorphs pringleite and ruitenbergite. Canadian Mineralogist: 32: 1-14.

Grice, J.D., Gault, R.A., and Van Velthuizen, J. (1996) Penobsquisite: a new borate mineral with a complex framework structure. Canadian Mineralogist: 34: 657-665.

Grice, J.D., Gault, R.A., and Van Velthuizen, J. (1997) Brianroulstonite: a new borate mineral with a sheet structure. Canadian Mineralogist: 35: 751-758.

Schindler, M. and Hawthorne, F.C. (1998) The crystal structure of trembathite, (Mg1.55Fe1.43Mn0.02)B7O13Cl, a mineral of the boracite group: an example of the insertion of a cluster into a three-dimensional net. Canadian Mineralogist: 36: 1195-1201.

Grice, J.D., Gault, R.A., Van Velthuizen, J., and Pratt, A. (2002) Walkerite: a new borate mineral species in an evaporitic sequence from Sussex, New Brunswick. Canadian Mineralogist: 40: 1675-1685.

Grice, J.D. (2002) Borate Minerals from the Penobsquis and Millstream Deposits of Southern New Brunswick, Canada. Bergverksmuseets Skrift: 20: 27-33.

GRICE, J.D. (2005) Borate Minerals from the Penobsquis and Millstream Deposits of Southern New Brunswick, Canada. Canadian Mineralogist: 43: 1469-1487.

Grice, J.D., Gault, R.A. and Van Velthuizen, J. (2005) Borate minerals from the Penobsquis and Millstream deposits, Southern New Brunswick, Canada. Canadian Mineralogist: 43: 1469-1487.

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