definisi
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
pumice punika rock vulkanik sing kasusun saka Highly vesicular atos kaca vulkanik tekstur, kang bisa utawa ora bisa ngemot kristal
asal
bokor foreland european
spain
panemu
Ora dingerteni
Ora dingerteni
Etimologi
saka Concha (latin) + Coquina (spanish) + Keong (english) = couquina (pertengahan abad ka-19)
saka pomis french lawas, saka varian dialect latin saka pumex
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, rock alus
awet rock, medium atose rock
kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque