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.
basanite punika, hard rock nggoleki-grained sing formulir nalika bit lahar njupuk metu saka gunung.
isi Mineral
kalsit, lempung, mineral lempung
augite, Feldspar, ilmenite, olivine, plagioclase
senyawa isi
karbon, hidrogen, nitrogen, oksigen, belerang
kalium oxide, sodium oxide, silikon dioksida
jinis metamorphism
metamorphism kakubur, kontak metamorphism, metamorphism regional
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, metamorphism regional
jinis udan
ora ditrapake
udan kimia, udan mechanical
jinis erosi
ora ditrapake
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi, angin erosi