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.
gabbro, a rock mafic, formulir amarga cooling lan crystallization saka magma ing ngisor permukaan bumi.
isi Mineral
kalsit, lempung, mineral lempung
augite, olivine, plagioclase, pyroxene
senyawa isi
karbon, hidrogen, nitrogen, oksigen, belerang
aluminium oxide, cao, krom (iii) oxide, wesi (iii) oxide, kalium oxide, MgO, sodium oxide, silikon dioksida, trioxide belerang
jinis metamorphism
metamorphism kakubur, kontak metamorphism, metamorphism regional
impact metamorphism
jinis erosi
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erosi gisik