Fig. 3: Diatoms, cyanobacteria, and other prokaryotic organisms may participate in the lithification process of Pozo Bravo microbial mats. | Communications Earth & Environment

Fig. 3: Diatoms, cyanobacteria, and other prokaryotic organisms may participate in the lithification process of Pozo Bravo microbial mats.

From: Seasonal biogeochemical variations in a modern microbialite reef under early Earth-like conditions

Fig. 3

a–p Scanning electron microscopy images from microbial mat samples. Different recognized structures are marked with an arrow: Orange, EPS serving as a template for mineral precipitation; Red, mineral structure; Green, filamentous cyanobacterium; Yellow, bacillus; Purple, spirochete; Blue, diatom (genera identified morphologically: Navicula in a and b; Halamphora in c, d and k; Nitzschia in e).

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