definisi
asal
panemu
Etimologi
kelas
sub-kelas
group
kategori liyane
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
rock grained coarse, rock opaque
trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali
Alexandre brongniart Rene Hauy
saka trakhus greek atos 'utawa roughness trakhutēs
awet rock, medium atose rock
rock grained nggoleki, rock opaque