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.
pegmatite rock punika holocrystalline, intrusive rock igneous kang kawangun dening leleh sebagean lan dewatering sak proses metamorphism.
komposisi
isi Mineral
clinopyroxene, nepheline, plagioclase
apatite, beryl, Feldspar, fluorit, garnet, lepidolite, quartz, silika, spodumene, topaz
senyawa isi
ca, cao, karbon, cl, MgO
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, Magnesium karbonat, MgO, fosfor pentoxide
transformasi
metamorphism
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✔
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jinis metamorphism
kontak metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional
cuaca
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✘
✔
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jinis udan
udan biologi, udan kimia, udan mechanical
udan biologi, udan kimia, udan mechanical
erosi
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✘
✔
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jinis erosi
erosi kimia, banyu erosi, angin erosi
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi, angin erosi