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.
borolanites sing kawangun amarga aktivitas igneous alkalin lan umumé kawangun ing wilayah dharatan crustal nglukis utawa ing zona subduksi cordilleran.
komposisi
isi Mineral
biotite, chlorite, Feldspar, garnet, grafit, hornblade, micas, muscovite utawa illite, quartz, Quartzite, silika, zirkon
albite, amphibole, biotite, cancrinite, Feldspar, hornblende, plagioclase, pyroxene, sodalite
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
metamorphism regional
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan mechanical
udan kimia, udan mechanical
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, erosi gisik, erosi segara
angin erosi