Fig. 3From: Early Triassic microbialites from the Changxing Region of Zhejiang Province, South Chinaa Calcareous algae (mainly Gymnocodium) and b foraminifera fossils preserved in the Late Permian bioclastic limestone in Panjiazhuang section (under plane-polarized light). The bioclastic limestone is grain-supported with sparry cement, indicating a turbulent, shallow marine depositional environmentBack to article page