definisi
porphyry punika reddish-coklat kanggo kain rock igneous ngemot phenocrysts akeh macem-macem mineral ditempelake ing matrik nggoleki-grained
dunite ijo kanggo brownish coarse-grained rock igneous utamané dumadi saka olivine
Sajarah
asal
egypt
new zealand
panemu
Ora dingerteni
ferdinand von hochstetter
Etimologi
saka lawas porfire french, saka porfiro italian lan ing sawetara kasus langsung saka porphyrites latin
saka jeneng dun gunung, zealand anyar, + -ite1
kelas
batuan beku
batuan beku
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
kulawarga
group
plutonic
plutonic
kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock opaque