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Boulby Potash Mine – United Kingdom

Producer of



Northeast England


Israel Chemicals Ltd (100%)

Geology type

Permian evaporite sequences overlain by porous sandstones and other sedimentary rocks

Mineral type

Sylvinite and halite

Reserve base

28.4Mt grading 40.2% KCl, plus additional resources of 3Mt grading 38.7% KCl

Annual production

1Mt/y potash and 450,000–660,000t/y salt

Mining Method

Room and pillar, using remote controlled continuous miners

Processing method

Grinding / flotation, compaction and crystallisation to yield three potash grades and marketable salt




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