Scanning electron microscopy (SEM) reveals that wonderful filaments, characteristic of microorganisms, are associated with 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 round the edges of the main apatite crystals has ... https://amirg666hat8.wikisona.com/user