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Nephelinite
Nephelinite

Anthracite
Anthracite



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Nephelinite
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Anthracite

Formasi Nephelinite lan Anthracite

1 Tatanan
1.1 tatanan
nephelinite 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 Anthracite saka klempakan saka lebu tetanduran ing lingkungan rawa. nalika lebu tetanduran mati lan tumiba menyang rawa, banyu ngadeg rawa ngreksa saka bosok.
1.2 komposisi
1.2.1 isi Mineral
clinopyroxene, nepheline, plagioclase
kalsit, lempung, mineral lempung
1.2.2 senyawa isi
ca, cao, karbon, cl, MgO
karbon, hidrogen, nitrogen, oksigen, belerang
1.3 transformasi
1.3.1 metamorphism
1.3.2 jinis metamorphism
kontak metamorphism
metamorphism kakubur, kontak metamorphism, metamorphism regional
1.3.3 cuaca
1.3.4 jinis udan
udan biologi, udan kimia, udan mechanical
ora ditrapake
1.3.5 erosi
1.3.6 jinis erosi
erosi kimia, banyu erosi, angin erosi
ora ditrapake