Coquina punika rock sedimentary sing dumadi salah siji Enèng sing lamur meh tanggung saka diangkut, abraded, lan mekanisme-diurutake pecahan saka meriam moluska, trilobites, brachiopods, utawa invertebrata liyane
diatomite punika rock sedimentary nggoleki-grained kang kawangun saka bumi diatomaceous nggabungake
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque