tatanan
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.
basaltic trachandesite punika, hard rock nggoleki-grained sing formulir nalika bit lahar njupuk metu saka gunung.
komposisi
isi Mineral
biotite, chlorite, Feldspar, garnet, grafit, hornblade, micas, muscovite utawa illite, quartz, Quartzite, silika, zirkon
olivine, plagioclase, pyroxene
senyawa isi
aluminium oxide, NaCl, cao, wesi (iii) oxide, feo, kalium oxide, Magnesium karbonat, MgO, keda, fosfor pentoxide, silikon dioksida, titanium dioxide
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
impact metamorphism
kontak metamorphism
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan mechanical
udan biologi
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, erosi gisik, erosi segara
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