definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
trachyandesite iku sawijining igneous rock extrusive.
Sajarah
asal
pennines, england
indonesia
panemu
JJ Ferber
Ora dingerteni
Etimologi
saka grit + watu
saka french trachyandésite, trachy + andesit awujud, a lahar penengah ing komposisi antarane trachyte lan awujud
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
kulawarga
group
-
vulkanik
kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque