tatanan
nalika Feldspar alkali sing dijupuk saka granit, iku diganti kanggo granitoid lan mengko, dadi tonalite karo quartz minangka mineral utama.
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
albite, amphibole, apatite, biotite, Feldspar, hornblade, ilmenite, magnetite, oksida manganese, olivine, plagioclase, pyroxene, quartz, sulfides, titanite, zirkon
biotite, chlorite, Feldspar, garnet, grafit, hornblade, micas, muscovite utawa illite, quartz, Quartzite, silika, zirkon
senyawa isi
NaCl, cao, MgO, silikon dioksida
aluminium oxide, NaCl, cao, wesi (iii) oxide, feo, kalium oxide, Magnesium karbonat, MgO, keda, fosfor pentoxide, silikon dioksida, titanium dioxide
transformasi
metamorphism
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✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional
impact metamorphism
cuaca
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✘
✔
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jinis udan
udan biologi, udan kimia, udan mechanical
udan biologi, udan mechanical
erosi
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✘
✔
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jinis erosi
angin erosi
erosi kimia, erosi gisik, erosi segara