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Chert
Chert

Taconite
Taconite



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Taconite

Chert lan Taconite Definition

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Definition

definisi

chert punika hard, peteng, opaque rock sedimentary kang dumadi saka silika karo susunan nggoleki-grained amorf
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 quartz Flint-kaya, 1670s, diweruhi origin- istilah lokal, kang wis dijupuk menyang nggunakake geologi
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