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Fig. 5 | Journal of Palaeogeography

Fig. 5

From: Early Triassic microbialites from the Changxing Region of Zhejiang Province, South China

Fig. 5

Calcified coccoid cyanobacteria preserved in the Early Triassic microbialites (under plane-polarized light). The yellow arrows point to the calcified coccoid cyanobacteria. The light colored parts in the above images are sparry calcite. a calcified coccoid cyanobacteria produced at a horizon 70cm above the bottom of microbialite; b higher magnification of the coccoid cyanobacteria in the image a; c clusters of calcified cyanobacteria preserved at a horizon 90cm above the bottom of microbialite; d higher magnification of the coccoid cyanobacteria within the same thin section of image c

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