1 Definition
1.1 definisi
wesi sugih rock extrusive ditemokake minangka anggota saka alkali basalt magma seri
trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali
1.2 Sajarah
1.2.1 asal
Pulo cilik saka Mull, Scotland
dingerteni
1.2.2 panemu
ben luwih
Alexandre brongniart Rene Hauy
1.3 Etimologi
saka jeneng panemu, ben liyane
saka trakhus greek atos 'utawa roughness trakhutēs
1.4 kelas
1.4.1 sub-kelas
awet rock, medium atose 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