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
Sajarah
asal
iceland
egypt
panemu
Ora dingerteni
Ora dingerteni
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
kulawarga
group
vulkanik
plutonic
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained nggoleki, rock opaque