"Phosphatic sedimentary rocks are commonly accompanied by or interbedded with shales, cherts, limestone, dolomites and sometimes sandstone. These layers contain the same textures and structures as fine grained limestones and may represent diagenetic replacements of carbonate minerals by phosphates.,,,"
wonder if this answers why some tanks have huge phosphate loads and others don't. [Phosphates in excess are the reason for algae blooms.]
wonder if this answers why some tanks have huge phosphate loads and others don't. [Phosphates in excess are the reason for algae blooms.]
