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