definisi
tachylite punika wangun vitreous saka kaca vulkanik basaltic. kaca iki alami dening cooling kanthi cepet saka basalt molten
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
asal
iceland
pennsylvania, kita
panemu
Dingertèni
Dingertèni
Etimologi
saka tachylite german, saka tachy- + lutos greek telat, leleh
saka anthrakites greek, saka anthrax, anthrak meaning coal
kelas
batuan beku
rocks metamorphic
sub-kelas
awet rock, medium atose rock
awet rock, rock alus
group
vulkanik
ora ditrapake
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque