definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
tephrite iku sawijining aphanitic kanggo porphyritic tekstur, vulkanik rock igneous
Sajarah
asal
pennines, england
germany
panemu
JJ Ferber
van tooren
Etimologi
saka grit + watu
saka tephra greek, awu saka basa indo-european, kanggo ngobong
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, hard rock
awet rock, hard rock
kulawarga
group
-
vulkanik
kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque