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Anthracite
Anthracite

Tephrite
Tephrite



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Anthracite
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Tephrite

Formasi Anthracite lan Tephrite

Tatanan

tatanan

Wangun Anthracite saka klempakan saka lebu tetanduran ing lingkungan rawa. nalika lebu tetanduran mati lan tumiba menyang rawa, banyu ngadeg rawa ngreksa saka bosok.
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

kalsit, lempung, mineral lempung
Feldspar alkali, nepheline, plagioclase, pyroxene

senyawa isi

karbon, hidrogen, nitrogen, oksigen, belerang
cao, karbon dioksida, MgO, silikon dioksida

transformasi

metamorphism

jinis metamorphism

metamorphism kakubur, kontak metamorphism, metamorphism regional
metamorphism cataclastic, kontak metamorphism, impact metamorphism, metamorphism regional

cuaca

jinis udan

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udan biologi, udan kimia, udan mechanical

erosi

jinis erosi

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