Zechstein Anhydrites NW of the Holy Cross Mts. (Upper Permian, central Poland): facies and palaeogeography

Alicja Kasprzyk


The facies variety of the sulphate deposits in the Zechstein of the Holy Cross Mts. reflects distinct sedimentary conditions in the peripheral part of the evaporitic basin. where the cyclic sedimentation of PZl, PZ2, PZ3, and PZ4 was largely affected by input of terrigenous material. In this area two sectors, southern and northern, may be distinguished on the basis of facies zonation. During the evaporite sedimentation, a major area north-west of the Holy Cross Mts. was exposed and affected by intense denudation at low sea level stands. In the marginal zone, evaporites are lacking and their facies equivalents are siliciclastic deposits. Palaeogeographic and facies patterns were controlled mainly by climatic and tectonic factors.

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