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