definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
scoria punika igneous rock extrusive peteng-colored karo babak rongga gelembung-kaya KALUBÈRAN
Sajarah
asal
pennines, england
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panemu
JJ Ferber
Ora dingerteni
Etimologi
saka grit + watu
saka pungkasan tengah english (denoting slag saka logam molten), saka skōria greek nolak, saka dung Skor
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