definisi
ganister punika hard, nggoleki-grained sandstone quartzose utawa orthoquartzite kang Sejatine digunakake ing Pabrik silika bata biasane digunakake kanggo geni baris lan jinis rocks sedimentary.
trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali
panemu
Ora dingerteni
Alexandre brongniart Rene Hauy
Etimologi
saka gan'is-ter IE hard, watu siliceous close-grained, asring mbentuk stratum kang underlies a coal-lapisan
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 coarse, rock grained nggoleki, rock opaque
rock grained nggoleki, rock opaque