tatanan
picrite punika nggoleki-grained, hard rock 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.
Wangun arkose rock saka udan saka-sugih Feldspar rock igneous utawa metamorphic, paling umum rocks granitic, kang utamané saka quartz lan Feldspar.
komposisi
isi Mineral
biotite, olivine, plagioclase, pyrrhotite
kalsit, lempung, mineral lempung, Feldspar, micas, quartz
senyawa isi
al, cao, karbon dioksida, mg, MgO
aluminium oxide, cao, wesi (iii) oxide, kalium oxide, MgO, sodium oxide, silikon dioksida
transformasi
metamorphism
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✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, impact metamorphism, metamorphism regional
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cuaca
✔
✘
✔
✘
jinis udan
udan biologi
udan biologi, udan kimia, udan mechanical
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi, angin erosi
erosi gisik, erosi Glacier, banyu erosi, angin erosi