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Peryt M.

Przegląd Techniczny : Gazeta Inżynierska

2017

nr 4

Geochemical and foraminiferal records of environmental changes during the Zechstein Limestone (Lopingian) deposition in Northern Poland

Peryt M., Peryt D.

Geological Quarterly

2012

Vol. 56, No 1

187-198

The entire Zechstein Limestone section of the Zdrada IG 8 borehole (Northern Poland) is composed of oncoid packstone that is accompanied by stromatolites in the upper part of the unit. Deposition of the Zechstein Limestone occurred in persistently subtidal environments, above the storm wave base, in mostly dysoxic conditions, and thus these conditions did not differ essentially from those characteristic for the Kupferschiefer strata. The previous supposition of vadose diagenesis is not confirmed by the isotopic study of calcite that showed its clearly marine values (average d1318