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.
watu gamping punika rock sedimentary kang utamané arupi kalsium karbonat.
isi Mineral
kalsit, lempung, mineral lempung
kalsit, chert, lempung, dolomite, quartz, wedhi, silt
senyawa isi
karbon, hidrogen, nitrogen, oksigen, belerang
aluminium oxide, NaCl, cao, wesi (iii) oxide, feo, MgO
jinis metamorphism
metamorphism kakubur, kontak metamorphism, metamorphism regional
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jinis udan
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udan biologi, udan kimia, udan mechanical
jinis erosi
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erosi kimia, erosi gisik