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.
Wangun scoria nalika magma ngemot jumlah ageng mili gas dipun bibaraken saka gunung mbledhos sak jeblugan.
komposisi
isi Mineral
clinopyroxene, nepheline, plagioclase
apatite, biotite, kalsit, Feldspar, hematite, hornblade, ilmenite, magnetite, olivine, pyroxene, quartz, silika
senyawa isi
ca, cao, karbon, cl, MgO
ca, NaCl
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
kontak metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
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 gisik, erosi Glacier