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Greywacke
Greywacke

Batubara
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Greywacke lan Batubara Definition

1 Definition
1.1 definisi
greywacke wis ditetepake minangka rock sandstone coarse-grained peteng kang ngandhut sen lempung luwih saka 15 saben
coal iku combustible-ireng coklat ireng utawa sedimentary rock biasane kedadean ing parang tingkat ing lapisan sing disebut kasur coal
1.2 Sajarah
1.2.1 asal
dingerteni
usa
1.2.2 panemu
Dingertèni
john peter Salley
1.3 Etimologi
saka grauwacke german, saka grau grey + wacke
saka col term english lawas, kang wis temenan Mineral karbon fosil wiwit abad kaping 13
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 nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque