Fig. 2From: Different accretion and diagenetic patterns within the fabrics of the Permian–Triassic boundary microbialites on the Leye isolated carbonate platform, South China BlockStratigraphy of the PTBMs at the Tianba section. a Lithologic log showing vertical changes of growth patterns of PTBMs marked with the first appearance of the Hindeodus parvus and U–Pb age; b PTBM was sandwiched by the Permian bioclastic limestone and the Triassic micritic limestone and laminated mudstoneBack to article page