definisi
troctolite jinis rock intrusive mafic. iku kasusun ateges Jumlah utama nanging maneko rupo olivine lan calcic plagioclase bebarengan karo pyroxene suntingan. iku anorthosite-sugih olivine, utawa sing relatif pyroxene-kurang saka gabbro
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
asal
dingerteni
bokor foreland european
panemu
christian Leopold von Buch
Dingertèni
Etimologi
saka troklotit german, saka trōktēs greek, iwak segara (dijupuk dadi sejenis iwak)
saka Concha (latin) + Coquina (spanish) + Keong (english) = couquina (pertengahan abad ka-19)
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, hard rock
awet rock, rock alus
group
plutonic
ora ditrapake
kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock opaque