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.
rocks adakite sing kawangun nalika cairan hydrous sing dirilis saka mineral sing break mudhun ing basalt metamorfosis, lan munggah menyang lapisan, banjur padha salat leleh sebagean.
komposisi
isi Mineral
clinopyroxene, nepheline, plagioclase
olivine, plagioclase, pyroxene
senyawa isi
ca, cao, karbon, cl, MgO
aluminium oxide, MgO, silikon dioksida
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
kontak metamorphism
metamorphism cataclastic, kontak metamorphism, impact metamorphism, metamorphism regional
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan kimia, udan mechanical
udan kimia, udan mechanical
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, banyu erosi, angin erosi
erosi gisik, erosi segara, banyu erosi