Scanning electron microscopy (SEM) reveals that fantastic filaments, characteristic of microorganisms, are related to the secondary phosphate mineralization. Continuous degradation and fragmentation of the stromatolitic mat has created pellets, peloids, and intraclasts all enriched in secondary apatite. Degrading recrystallization around the edges of the principal apatite crystals has... https://ericg555evm5.nizarblog.com/profile