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
  
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
  
Sajarah
  
  
asal
bokor foreland european
  
pennsylvania, kita
  
panemu
Dingertèni
  
Dingertèni
  
Etimologi
saka Concha (latin) + Coquina (spanish) + Keong (english) = couquina (pertengahan abad ka-19)
  
saka anthrakites greek, saka anthrax, anthrak meaning coal
  
kelas
rocks sedimentary
  
rocks metamorphic
  
sub-kelas
awet rock, rock alus
  
awet rock, rock alus
  
kulawarga
  
  
group
ora ditrapake
  
ora ditrapake
  
kategori liyane
rock grained coarse, rock opaque
  
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque