definisi
diabase punika rock igneous nggoleki-grained kang dumadi saka biasane pyroxene lan Feldspar
porphyry punika reddish-coklat kanggo kain rock igneous ngemot phenocrysts akeh macem-macem mineral ditempelake ing matrik nggoleki-grained
Sajarah
asal
germany
egypt
panemu
christian Leopold von Buch
Ora dingerteni
Etimologi
saka di greek + basa
saka lawas porfire french, saka porfiro italian lan ing sawetara kasus langsung saka porphyrites latin
kelas
batuan beku
batuan beku
sub-kelas
awet rock, hard rock
awet rock, hard rock
kulawarga
group
vulkanik
plutonic
kategori liyane
rock grained nggoleki, medium rock grained, rock opaque
rock grained nggoleki, rock opaque