definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
kimberlite iku langka, biru-tinged, coarse-grained intrusive rock igneous, kang kadhangkala ngandhut perhiasan lan akéh ditemokaké ing africa kidul lan Siberia.
Sajarah
asal
pennsylvania, kita
kimberley, tresna
panemu
Ora dingerteni
John W. Judd
Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka kimberley + -ite, saka jeneng kutha african kidul kimberley ngendi rock iki pisanan ditemokaké.
kelas
rocks metamorphic
batuan beku
sub-kelas
awet rock, rock alus
awet rock, hard rock
kulawarga
group
-
vulkanik
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock grained nggoleki, rock opaque