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.
basalt formulir nalika lahar tekan lumahing bumi near vulkanik. suhu lava iku antarane 1100 1250 ° c nalika nemu menyang permukaan.
isi Mineral
clinopyroxene, nepheline, plagioclase
olivine, plagioclase, pyroxene
senyawa isi
ca, cao, karbon, cl, MgO
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
jinis metamorphism
kontak metamorphism
kontak metamorphism
jinis udan
udan biologi, udan kimia, udan mechanical
udan biologi
jinis erosi
erosi kimia, banyu erosi, angin erosi
ora kasedhiya