1 Definition
1.1 definisi
greywacke wis ditetepake minangka rock sandstone coarse-grained peteng kang ngandhut sen lempung luwih saka 15 saben
ignimbrite punika rock vulkanik dumadi utamané saka pecahan pumice, kawangun dening consolidation saka materi setor dening mili pyroclastic
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
Dingertèni
Patrick marshall
1.3 Etimologi
saka grauwacke german, saka grau grey + wacke
saka geni ignis latin + Imber, padusan imbr- udan, badai maya + -ite
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 nggoleki, rock opaque
rock grained nggoleki, rock opaque