definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
marl iku sawijining rock sedimentary unconsolidated dumadi saka lempung lan jeruk
Sajarah
asal
pennines, england
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panemu
JJ Ferber
William Smith
Etimologi
saka grit + watu
saka lawas marle french, saka pungkasan marglia latin
kelas
rocks sedimentary
rocks sedimentary
sub-kelas
awet rock, hard rock
awet rock, rock alus
kulawarga
group
-
-
kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque