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Novaculite
Novaculite

Tephrite
Tephrite



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Novaculite
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Tephrite

Formasi Novaculite lan Tephrite

Tatanan

tatanan

Wangun novaculite nalika microcrystals silikon dioksida tuwuh ing endapan alus sing dadi watu gamping utawa kapur. tatanan novaculite bisa dadi salah siji saka asal kimia utawa biologi.
tephrite punika, hard rock nggoleki-grained kang jinis metasomatite, ateges ngrubah basalt. iku formulir karo utawa tanpa crystallization, salah siji ngisor permukaan minangka rocks intrusive utawa ing lumahing minangka rocks extrusive.

komposisi

isi Mineral

quartz, Silicon
Feldspar alkali, nepheline, plagioclase, pyroxene

senyawa isi

ca, silikon dioksida
cao, karbon dioksida, MgO, silikon dioksida

transformasi

metamorphism

jinis metamorphism

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metamorphism cataclastic, kontak metamorphism, impact metamorphism, metamorphism regional

cuaca

jinis udan

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udan biologi, udan kimia, udan mechanical

erosi

jinis erosi

erosi kimia, erosi gisik, erosi Glacier
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi