definisi
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
adakite iku sawijining penengah kanggo felsic rock vulkanik sing nduweni ciri geochemical saka magma kang wis ngandika bakal kawangun dening leleh sebagean saka basalt ngrubah sing subducted ngisor busur vulkanik
asal
pennsylvania, kita
adak, Kapuloan Aleutian
panemu
Ora dingerteni
defant lan Drummond
Etimologi
saka anthrakites greek, saka anthrax, anthrak meaning coal
saka adak, Kapuloan Aleutian
kelas
rocks metamorphic
batuan beku
sub-kelas
awet rock, rock alus
awet rock, medium atose rock
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained nggoleki, medium rock grained, rock opaque