1 Definition
1.1 definisi
trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali
greywacke wis ditetepake minangka rock sandstone coarse-grained peteng kang ngandhut sen lempung luwih saka 15 saben
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
Alexandre brongniart Rene Hauy
Dingertèni
1.3 Etimologi
saka trakhus greek atos 'utawa roughness trakhutēs
saka grauwacke german, saka grau grey + wacke
1.4 kelas
batuan beku
rocks sedimentary
1.4.1 sub-kelas
awet rock, medium atose rock
awet rock, hard rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained nggoleki, rock opaque
rock grained nggoleki, rock opaque