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Journal of Palaeogeography
Fig. 4 | Journal of Palaeogeography

Fig. 4

From: Different accretion and diagenetic patterns within the fabrics of the Permian–Triassic boundary microbialites on the Leye isolated carbonate platform, South China Block

Fig. 4

Mesoscopic and microscopic characteristics of the stromatolitic thrombolites. a Polished slab of the stromatolitic thrombolites; b Photomicrograph of clots within the stromatolitic thrombolites, showing inhomogeneous microsparry components. PLFs are marked by arrows. Plane-polarized light; c Enlargement of the rectangle in b, showing structureless and fragmentary PLFs (marked by arrows). Plane-polarized light

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