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.
obahe bumi bisa nimbulaké rocks dadi salah siji rumiyin disarèkaké utawa squeezed lan Empu rocks sing digawe panas lan sijine ing meksa gedhe.
komposisi
isi Mineral
biotite, chlorite, Feldspar, garnet, grafit, hornblade, micas, muscovite utawa illite, quartz, Quartzite, silika, zirkon
apatite, augite, biotite, bronzite, kalsit, chert, epidote, Feldspar, hornblende, micas, plagioclase, pyroxene, quartz, sulfides, zirkon
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, fe, feo, silikon dioksida, belerang
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
impact metamorphism
-
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan mechanical
-
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, erosi gisik, erosi segara
erosi kimia, erosi segara, angin erosi