Formasi Anthracite lan Gneiss
Tatanan
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.
gneiss punika bahan dhuwur metamorphic rock IE wis ngalami luwih Suhu lan tekanan saka Schist. iku kawangun dening metamorfosis saka wangun gneiss saka rock vulkanik, krikel utawa granitie.
komposisi
isi Mineral
kalsit, lempung, mineral lempung
biotite, chlorite, Feldspar, garnet, grafit, hornblade, micas, muscovite utawa illite, quartz, Quartzite, silika, zirkon
senyawa isi
karbon, hidrogen, nitrogen, oksigen, belerang
aluminium oxide, NaCl, cao, wesi (iii) oxide, feo, kalium oxide, Magnesium karbonat, MgO, keda, fosfor pentoxide, silikon dioksida, titanium dioxide
transformasi
metamorphism
Yes
Yes
jinis metamorphism
metamorphism kakubur, kontak metamorphism, metamorphism regional
impact metamorphism
cuaca
No
Yes
jinis udan
ora ditrapake
udan biologi, udan mechanical
erosi
No
Yes
jinis erosi
ora ditrapake
erosi kimia, erosi gisik, erosi segara
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