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.
itacolumite punika rock sedimentary kang formulir saka clasts wedhi-ukuran cemented lan jinis sandstone.
komposisi
isi Mineral
clinopyroxene, nepheline, plagioclase
kalsit, lempung, mineral lempung, Feldspar, micas, quartz
senyawa isi
ca, cao, karbon, cl, MgO
aluminium oxide, cao, wesi (iii) oxide, kalium oxide, MgO, sodium oxide, silikon dioksida
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
kontak metamorphism
-
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan kimia, udan mechanical
udan biologi, udan kimia
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, banyu erosi, angin erosi
erosi kimia, erosi gisik, angin erosi