Coquina lan Skarn Definition
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
skarns kawangun sak metamorphism regional utawa kontak lan saka macem-macem pangolahan metasomatic nglibatno cairan saka magmatic, metamorphic, lan / utawa asal segara
asal
bokor foreland european
usa, australia
panemu
Ora dingerteni
tornebohm
Etimologi
saka Concha (latin) + Coquina (spanish) + Keong (english) = couquina (pertengahan abad ka-19)
saka tembung mining swedish lawas Originally dipigunakaké kanggo njlèntrèhaké jinis gangue silicate utawa sampah rock.
kelas
rocks sedimentary
rocks metamorphic
sub-kelas
awet rock, rock alus
awet rock, hard rock
kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque