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.
rhyolite punika rock extrusive felsic lan amarga isi silika dhuwur, rhyolite lahar banget viscous lan padha vulkanik granit.
komposisi
isi Mineral
clinopyroxene, nepheline, plagioclase
biotite, Feldspar, hornblade, plagioclase, pyroxene, quartz
senyawa isi
ca, cao, karbon, cl, MgO
ca, fe, kalium oxide, mg, kalium, silikon dioksida, sodium
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
kontak metamorphism
metamorphism kakubur, metamorphism cataclastic, metamorphism regional
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan kimia, udan mechanical
udan biologi, udan kimia, udan mechanical
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, banyu erosi, angin erosi
erosi kimia, erosi segara, banyu erosi, angin erosi