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Tephrite
Tephrite

Novaculite
Novaculite



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Tephrite
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Novaculite

Formasi Tephrite lan Novaculite

Tatanan

tatanan

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.
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.

komposisi

isi Mineral

Feldspar alkali, nepheline, plagioclase, pyroxene
quartz, Silicon

senyawa isi

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

transformasi

metamorphism

jinis metamorphism

metamorphism cataclastic, kontak metamorphism, impact metamorphism, metamorphism regional
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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 segara, banyu erosi
erosi kimia, erosi gisik, erosi Glacier