tatanan
Wangun mugearite nalika lahar tekan lumahing bumi near vulkanik. suhu lava iku antarane 1100 1250 ° c nalika nemu menyang permukaan.
tatanan coal njupuk Panggonan amarga klempakan saka lebu tetanduran ing lingkungan rawa. proses tatanan coal terus, peat dadi lignite coal coklat utawa ireng ing nambah panas lan meksa.
komposisi
isi Mineral
olivine, plagioclase, pyroxene
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senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
karbon, hidrogen, nitrogen, oksigen, belerang
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, impact metamorphism
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cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan kimia
udan biologi, udan kimia, udan mechanical
erosi
✔
✘
✔
✘
jinis erosi
-
erosi kimia, banyu erosi, angin erosi