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.
aplites kagungane intrusive batuan beku kang biasane quart lan Feldspar alkali lan sing kawangun saka ampas eutectic cairan granitic lan makili produk crystallization final saka magma.
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, hidrotermal metamorphism, metamorphism regional
cuaca
✔
✘
✔
✘
jinis udan
-
udan kimia, udan mechanical
erosi
✔
✘
✔
✘
jinis erosi
-
erosi kimia, erosi gisik, angin erosi