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The isotopic study (S, O, C) of carbonate fluorapatite (CFA) and pyrite in the Neocomian sequence at Wawal, Polish Lowland, provides a rare occasion to understand factors that controlled fractionation between these phases in the process of bacterial sulfate reduction (BSR). Sulfur isotopic composition of CFA-sulfate is moderately enriched in 34 S, but pyrite is highly depleted in ...
The Turonian stromatolite-bearing condensed sequence in the Polish Jura Chain (the European epicontinental basin) provides good insight into the environment of formation of Cretaceous phosphatic stromatolites, owing to their purely phosphatic development and negligible post-depositional alteration. The sequence developed as a result of slow pelagic sedimentation and microbial mat phosphatization on...
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