Formasi Essexite lan Chert
Tatanan
tatanan
essexite jinis rock igneous, kang biasane abu ireng rock plutonic. kanggo tatanan kang essexite, magma cocok karo komposisi pas k, ba, rb, cs, sr kudu diprodhuksi.
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
augite, Feldspar, hornblende, nepheline, olivine, plagioclase, pyroxene
quartz, Silicon
senyawa isi
aluminium oxide, ba, ca, cs, kalium, rb, sodium, sr
silikon dioksida
transformasi
metamorphism
Yes
No
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism
ora ditrapake
cuaca
Yes
No
jinis udan
udan biologi, udan kimia
ora ditrapake
erosi
Yes
Yes
jinis erosi
erosi gisik, erosi Glacier, banyu erosi
erosi kimia
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