tatanan
anorthosite punika phaneritic, intrusive rock igneous kang ditondoi dening predominance saka plagioclase Feldspar kang meh 90-100%, lan komponèn mafic tithik.
nephelinite punika, hard rock nggoleki-grained kang jinis metasomatite, ateges ngrubah basalt. iku formulir karo utawa tanpa crystallization, salah siji ngisor permukaan minangka rocks intrusive utawa ing lumahing minangka rocks extrusive.
komposisi
isi Mineral
amphibole, clinopyroxene, ilmenite, magnetite, olivine, orthopyroxene
clinopyroxene, nepheline, plagioclase
senyawa isi
ca, cao, krom (iii) oxide, MgO, trioxide belerang
ca, cao, karbon, cl, MgO
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism cataclastic, kontak metamorphism
kontak metamorphism
cuaca
✔
✘
✔
✘
jinis udan
udan biologi
udan biologi, udan kimia, udan mechanical
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, angin erosi
erosi kimia, banyu erosi, angin erosi