definisi
porphyry punika reddish-coklat kanggo kain rock igneous ngemot phenocrysts akeh macem-macem mineral ditempelake ing matrik nggoleki-grained
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
Sajarah
asal
egypt
pennsylvania, kita
panemu
Ora dingerteni
Ora dingerteni
Etimologi
saka lawas porfire french, saka porfiro italian lan ing sawetara kasus langsung saka porphyrites latin
saka anthrakites greek, saka anthrax, anthrak meaning coal
kelas
batuan beku
rocks metamorphic
sub-kelas
awet rock, hard rock
awet rock, rock alus
kulawarga
group
plutonic
-
kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque