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Greywacke
Greywacke

Taconite
Taconite



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Greywacke
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Taconite

Greywacke lan Taconite Definition

Definition

definisi

greywacke wis ditetepake minangka rock sandstone coarse-grained peteng kang ngandhut sen lempung luwih saka 15 saben
taconite punika biji wesi kurang-bahan kang belongs kanggo sedimen rock lan ngemot bab 27% wesi lan 51% silika

Sajarah

asal

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western australia, Minnesota

panemu

Ora dingerteni
Newton Horace Winchell

Etimologi

saka grauwacke german, saka grau grey + wacke
saka jeneng gunung taconic ing england anyar

kelas

rocks sedimentary
rocks sedimentary

sub-kelas

awet rock, hard rock
awet rock, medium atose rock

kulawarga

group

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-

kategori liyane

rock grained nggoleki, rock opaque
rock grained coarse, rock opaque