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Gritstone
Gritstone

Coquina
Coquina



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Gritstone
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Coquina

Gritstone lan Coquina Definition

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1 Definition
1.1 definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
Coquina punika rock sedimentary sing dumadi salah siji Enèng sing lamur meh tanggung saka diangkut, abraded, lan mekanisme-diurutake pecahan saka meriam moluska, trilobites, brachiopods, utawa invertebrata liyane
1.2 Sajarah
1.2.1 asal
pennines, england
bokor foreland european
1.2.2 panemu
JJ Ferber
Dingertèni
1.3 Etimologi
saka grit + watu
saka Concha (latin) + Coquina (spanish) + Keong (english) = couquina (pertengahan abad ka-19)
1.4 kelas
rocks sedimentary
rocks sedimentary
1.4.1 sub-kelas
awet rock, hard rock
awet rock, rock alus
1.5 kulawarga
1.5.1 group
ora ditrapake
ora ditrapake
1.6 kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock opaque