tatanan
anorthosite punika phaneritic, intrusive rock igneous kang ditondoi dening predominance saka plagioclase Feldspar kang meh 90-100%, lan komponèn mafic tithik.
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
amphibole, clinopyroxene, ilmenite, magnetite, olivine, orthopyroxene
biotite, chlorite, Feldspar, garnet, grafit, hornblade, micas, muscovite utawa illite, quartz, Quartzite, silika, zirkon
senyawa isi
ca, cao, krom (iii) oxide, MgO, trioxide belerang
aluminium oxide, NaCl, cao, wesi (iii) oxide, feo, kalium oxide, Magnesium karbonat, MgO, keda, fosfor pentoxide, silikon dioksida, titanium dioxide
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism cataclastic, kontak metamorphism
impact metamorphism
cuaca
✔
✘
✔
✘
jinis udan
udan biologi
udan biologi, udan mechanical
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, angin erosi
erosi kimia, erosi gisik, erosi segara