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Fig. 5 | Journal of Palaeogeography

Fig. 5

From: Demise of the Jabłonna Reef (Zechstein Limestone) and the onset of gypsum deposition (Wuchiapingian, west Poland): carbonate-to-evaporite transition in a saline giant

Fig. 5

Polished section (a) and thin sections (b-d), uppermost Zechstein Limestone, Jabłonna 2 borehole (the depths in relation to the top of Zechstein Limestone are: a: − 0.6 m, b − 1.4 m, c − 1.7 m, d − 2.2 m); an – anhydrite, dl – detrital limestone, ml – microbial limestone. a dolomite breccia composed of sharp-edged clasts of peritidal carbonates and, in the top part of the sample, nodular anhydrite; b sample depth: microbial encrustations at the boundary of a clast composed of bryozoan grainstone that is enclosed in nodular anhydrite; c recrystallized limestone composed of crinkle laminations and fine allochems; arrows show bryozoan zoaria; d micritic dolomite showing laminae (arrow) and faint outlines of allochems, with abundant fine quartz grains (white dots) and rare fine mica flakes

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