The potash-resource status of our country is described in this paper. The distribution and forming disciplines of large potash deposits in the world are concluded: foundation of substance, geological constructions, facies and paleo-geography conditions and special climate. The general situations and the history of the geological evolution of Tarim basin between the late Cretaceous Period and the early Tertiary are analyzed. Then it analyzes the characters of the facies of the late Cretaceous Period and the ...
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