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Journal of Palaeogeography
Fig. 8 | Journal of Palaeogeography

Fig. 8

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. 8

Coarse crystalline calcite (orange in CL) within medium crystalline dolomite (bright red in CL) with abundant anhydrite cementation. a, b, e, f transmitted light microphotographs (plane-polarized light and crossed polars, respectively), c, g CL images, d, h BSE images (cal – calcite, dol – dolomite, anh – anhydrite; fine red dots mark spots of microprobe analyses). The calcite crystals are probably burial cements that occlude porosity within dolomite. Jabłonna 3 borehole, sample located 0.6 m below the top of the Zechstein Limestone

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