tatanan
anorthosite punika phaneritic, intrusive rock igneous kang ditondoi dening predominance saka plagioclase Feldspar kang meh 90-100%, lan komponèn mafic tithik.
Wangun mugearite nalika lahar tekan lumahing bumi near vulkanik. suhu lava iku antarane 1100 1250 ° c nalika nemu menyang permukaan.
komposisi
isi Mineral
amphibole, clinopyroxene, ilmenite, magnetite, olivine, orthopyroxene
olivine, plagioclase, pyroxene
senyawa isi
ca, cao, krom (iii) oxide, MgO, trioxide belerang
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism cataclastic, kontak metamorphism
metamorphism kakubur, impact metamorphism
cuaca
✔
✘
✔
✘
jinis udan
udan biologi
udan biologi, udan kimia
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, angin erosi
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