1 Definition
1.1 definisi
a sandstone kuning kang fleksibel nalika Cut menyang lancip ngudani
tachylite punika wangun vitreous saka kaca vulkanik basaltic. kaca iki alami dening cooling kanthi cepet saka basalt molten
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
1.3 Etimologi
saka jeneng sawijining pagunungan ing ngendi iku ketemu; gunung itacolumi ing brasil
saka tachylite german, saka tachy- + lutos greek telat, leleh
1.4 kelas
rocks sedimentary
batuan beku
1.4.1 sub-kelas
awet rock, hard rock
awet rock, medium atose rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained coarse, rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque