− | The marine phreatic environment, in most cases, is where carbonate sediments originate and begin their diagenetic history. It can be divided into two distinct zones that represent two ends of a spectrum:<ref name=ch09r35>Longman, M., W., 1980, Carbonate diagenetic textures from nearsurface diagenetic environments: AAPG Bulletin, vol. 64, no. 4, p. 461–487.</ref> | + | The marine phreatic environment, in most cases, is where carbonate sediments originate and begin their diagenetic history. It can be divided into two distinct zones that represent two ends of a spectrum:<ref name=ch09r35>Longman, M., W., 1980, [http://archives.datapages.com/data/bulletns/1980-81/data/pg/0064/0004/0450/0461.htm Carbonate diagenetic textures from nearsurface diagenetic environments]: AAPG Bulletin, vol. 64, no. 4, p. 461–487.</ref> |