Greywacke lan Trachyte Definition
definisi
greywacke wis ditetepake minangka rock sandstone coarse-grained peteng kang ngandhut sen lempung luwih saka 15 saben
trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali
panemu
Ora dingerteni
Alexandre brongniart Rene Hauy
Etimologi
saka grauwacke german, saka grau grey + wacke
saka trakhus greek atos 'utawa roughness trakhutēs
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
kategori liyane
rock grained nggoleki, rock opaque
rock grained nggoleki, rock opaque