definisi
porphyry punika reddish-coklat kanggo kain rock igneous ngemot phenocrysts akeh macem-macem mineral ditempelake ing matrik nggoleki-grained
kenyte iku macem-macem phonolite porphyritic utawa trachyte rock karo phenocrysts rhomb shaped anorthoclase karo rupo olivine lan augite ing matrik glassy
Sajarah
asal
egypt
gunung kenya
panemu
Ora dingerteni
JW Gregory
Etimologi
saka lawas porfire french, saka porfiro italian lan ing sawetara kasus langsung saka porphyrites latin
saka gunung ranges- Gunung kenya lan dijenengi dening JW Gregory in 1900
kelas
batuan beku
batuan beku
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
kulawarga
group
plutonic
-
kategori liyane
rock grained nggoleki, rock opaque
rock grained nggoleki, rock opaque