boninite punika rock extrusive mafic kang dhuwur ing Magnesium silika isi, kawangun ing lingkungan ngarep-busar, biasane sak orane tumrap sekolah awal saka subduksi
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
saka kedadeyan ing busar Izu-Bonin kidul japan
saka Concha (latin) + Coquina (spanish) + Keong (english) = couquina (pertengahan abad ka-19)
rock grained nggoleki, rock opaque
rock grained coarse, rock opaque