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.
shonkinites sing kawangun amarga aktivitas igneous alkalin lan umumé kawangun ing wilayah dharatan crustal nglukis utawa ing zona subduksi cordilleran.
komposisi
isi Mineral
kalsit, lempung, mineral lempung
amphibole, biotite, Feldspar, hornblade, micas, muscovite utawa illite, plagioclase, pyroxene, quartz
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
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional
cuaca
✔
✘
✔
✘
jinis udan
-
udan biologi, udan kimia, udan mechanical
erosi
✔
✘
✔
✘
jinis erosi
-
erosi kimia, erosi gisik, erosi segara, banyu erosi