tatanan
basalt formulir nalika lahar tekan lumahing bumi near vulkanik. suhu lava iku antarane 1100 1250 ° c nalika nemu menyang permukaan.
websterite bisa kawangun minangka cumulates ing intrusions ultramafic dening klempakan saka kristal pyroxene ing dasar ing kamar lahar.
komposisi
isi Mineral
olivine, plagioclase, pyroxene
amphibole, augite, bronzite, chromite, diopside, enstatite, garnet, hornblende, hypersthene, magnetite, pyroxene
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
aluminium oxide, cao, krom (iii) oxide, wesi (iii) oxide, kalium oxide, MgO, sodium oxide, silikon dioksida, trioxide belerang
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
kontak metamorphism
metamorphism kakubur, impact metamorphism
cuaca
✔
✘
✔
✘
jinis udan
udan biologi
udan biologi, udan kimia, udan mechanical
erosi
✔
✘
✔
✘
jinis erosi
-
erosi kimia, erosi gisik, erosi Glacier, banyu erosi, angin erosi