definisi
porphyry punika reddish-coklat kanggo kain rock igneous ngemot phenocrysts akeh macem-macem mineral ditempelake ing matrik nggoleki-grained
tachylite punika wangun vitreous saka kaca vulkanik basaltic. kaca iki alami dening cooling kanthi cepet saka basalt molten
panemu
Dingertèni
Dingertèni
Etimologi
saka lawas porfire french, saka porfiro italian lan ing sawetara kasus langsung saka porphyrites latin
saka tachylite german, saka tachy- + lutos greek telat, leleh
kelas
batuan beku
batuan beku
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque