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Chert
Chert

Gneiss
Gneiss



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Gneiss

Formasi Chert lan Gneiss

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1 Tatanan
1.1 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.
gneiss punika bahan dhuwur metamorphic rock IE wis ngalami luwih Suhu lan tekanan saka Schist. iku kawangun dening metamorfosis saka wangun gneiss saka rock vulkanik, krikel utawa granitie.
1.2 komposisi
1.2.1 isi Mineral
quartz, Silicon
biotite, chlorite, Feldspar, garnet, grafit, hornblade, micas, muscovite utawa illite, quartz, Quartzite, silika, zirkon
1.2.2 senyawa isi
silikon dioksida
aluminium oxide, NaCl, cao, wesi (iii) oxide, feo, kalium oxide, Magnesium karbonat, MgO, keda, fosfor pentoxide, silikon dioksida, titanium dioxide
1.3 transformasi
1.3.1 metamorphism
19% Sedimentary Rocks rocks have it !
50% Metamorphic Rocks rocks have it !
1.3.2 jinis metamorphism
ora ditrapake
impact metamorphism
1.3.3 cuaca
78% Sedimentary Rocks rocks have it !
65% Metamorphic Rocks rocks have it !
1.3.4 jinis udan
ora ditrapake
udan biologi, udan mechanical
1.3.5 erosi
86% Sedimentary Rocks rocks have it !
77% Metamorphic Rocks rocks have it !
1.3.6 jinis erosi
erosi kimia
erosi kimia, erosi gisik, erosi segara