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Obsidian
Obsidian

Chert
Chert



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Obsidian
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Chert

Formasi Obsidian lan Chert

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Tatanan

tatanan

nalika lahar dirilis saka gunung, iku diwiwiti saka cooling cepet banget kang freezes mekanisme saka crystallization. asil punika kaca vulkanik karo susunan Gamelan seragam.
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.

komposisi

isi Mineral

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quartz, Silicon

senyawa isi

aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
silikon dioksida

transformasi

metamorphism

jinis metamorphism

metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
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cuaca

jinis udan

udan biologi, udan kimia, udan mechanical
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erosi

jinis erosi

erosi kimia, erosi gisik, erosi Glacier
erosi kimia