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Chert
Chert

Scoria
Scoria



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Chert
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Scoria

Formasi Chert lan Scoria

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Tatanan

tatanan

Wangun chert nalika microcrystals silikon dioksida tuwuh ing endapan alus sing dadi watu gamping utawa kapur. tatanan chert bisa dadi salah siji saka asal kimia utawa biologi.
Wangun scoria nalika magma ngemot jumlah ageng mili gas dipun bibaraken saka gunung mbledhos sak jeblugan.

komposisi

isi Mineral

quartz, Silicon
apatite, biotite, kalsit, Feldspar, hematite, hornblade, ilmenite, magnetite, olivine, pyroxene, quartz, silika

senyawa isi

silikon dioksida
ca, NaCl

transformasi

metamorphism

jinis metamorphism

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metamorphism kakubur, metamorphism cataclastic, kontak metamorphism

cuaca

jinis udan

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udan biologi, udan kimia, udan mechanical

erosi

jinis erosi

erosi kimia
erosi kimia, erosi gisik, erosi Glacier