tatanan
Wangun coal saka klempakan saka lebu tetanduran ing lingkungan rawa kang wis kakubur sedimen kayata lendhut utawa wedhi lan banjur compacted kanggo mbentuk coal.
trachyandesite 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
analcime, apatite, barite, kalsit, chalcopyrite, chlorite, chromite, clausthalite, mineral lempung, grup crandallite, dolomite, Feldspar, galena, gypsum, marcasite, muscovite utawa illite, pyrite, quartz, siderite, sphalerite, zirkon
Feldspar alkali, biotite, olivine, plagioclase, pyroxene, sodic plagioclase
senyawa isi
karbon, hidrogen, nitrogen, oksigen, belerang
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
transformasi
metamorphism
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✘
✔
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jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, metamorphism regional
metamorphism cataclastic, kontak metamorphism, metamorphism regional
cuaca
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✘
✔
✘
jinis udan
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udan biologi, udan kimia, udan mechanical
erosi
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✔
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jinis erosi
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erosi kimia, erosi gisik, banyu erosi, angin erosi