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.
picrite punika nggoleki-grained, hard rock 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.
isi Mineral
kalsit, lempung, mineral lempung
biotite, olivine, plagioclase, pyrrhotite
senyawa isi
karbon, hidrogen, nitrogen, oksigen, belerang
al, cao, karbon dioksida, mg, MgO
jinis metamorphism
metamorphism kakubur, kontak metamorphism, metamorphism regional
metamorphism kakubur, metamorphism cataclastic, impact metamorphism, metamorphism regional
jinis udan
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udan biologi
jinis erosi
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erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi, angin erosi