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.
gabbro, a rock mafic, formulir amarga cooling lan crystallization saka magma ing ngisor permukaan bumi.
komposisi
isi Mineral
biotite, chlorite, Feldspar, garnet, grafit, hornblade, micas, muscovite utawa illite, quartz, Quartzite, silika, zirkon
augite, 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, krom (iii) oxide, wesi (iii) oxide, kalium oxide, MgO, sodium oxide, silikon dioksida, trioxide belerang
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
impact metamorphism
impact metamorphism
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan mechanical
udan kimia
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, erosi gisik, erosi segara
erosi gisik