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.
icelandite punika, hard rock nggoleki-grained 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.
komposisi
isi Mineral
kalsit, lempung, mineral lempung
amphibole, apatite, biotite, Feldspar, garnet, hornblade, ilmenite, magnetite, plagioclase, pyroxene, quartz, zirkon
senyawa isi
karbon, hidrogen, nitrogen, oksigen, belerang
silikon dioksida
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
erosi
✔
✘
✔
✘
jinis erosi
-
erosi kimia, erosi gisik, erosi segara, banyu erosi, angin erosi