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.
phonolite sing kawangun amarga aktivitas igneous alkalin lan umumé kawangun ing wilayah crustal Continental nglukis utawa ing zona subduksi cordilleran.
komposisi
isi Mineral
kalsit, lempung, mineral lempung
albite, amphibole, biotite, cancrinite, Feldspar, hornblende, plagioclase, pyroxene, sodalite
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
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, kontak metamorphism, metamorphism regional
kontak metamorphism
cuaca
✔
✘
✔
✘
jinis udan
-
udan kimia, udan mechanical
erosi
✔
✘
✔
✘
jinis erosi
-
erosi kimia, erosi gisik, banyu erosi, angin erosi