tatanan
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.
anorthosite punika phaneritic, intrusive rock igneous kang ditondoi dening predominance saka plagioclase Feldspar kang meh 90-100%, lan komponèn mafic tithik.
komposisi
isi Mineral
clinopyroxene, nepheline, plagioclase
amphibole, clinopyroxene, ilmenite, magnetite, olivine, orthopyroxene
senyawa isi
ca, cao, karbon, cl, MgO
ca, cao, krom (iii) oxide, MgO, trioxide belerang
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
kontak metamorphism
metamorphism cataclastic, kontak metamorphism
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan kimia, udan mechanical
udan biologi
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, banyu erosi, angin erosi
erosi kimia, angin erosi