tatanan
dacitic magma wis kawangun dening subduksi saka lemah ndhuwur enom laut ing piring Continental felsic nglukis. luwih, ing satunggalipun saperangan wis hydrothermally ngrubah minangka quartz lan sodium sing ditambahake.
ignimbrites sing kawangun saka dicampur banget lingkungan diurutake saka awu vulkanik utawa tuff lan pumice lapilli, umum karo pecahan lithic kasebar.
komposisi
isi Mineral
amphibole, apatite, biotite, Feldspar, garnet, hornblade, magnetite, plagioclase, pyroxene, quartz, zirkon
apatite, biotite, kalsit, chlorite, Feldspar, hematite, hornblade, ilmenite, magnetite, olivine, pyroxene, quartz
senyawa isi
ca, fe, kalium oxide, mg, kalium, silikon dioksida
ca, NaCl
transformasi
metamorphism
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✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic
metamorphism kakubur, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan kimia, udan mechanical
udan biologi, udan kimia
erosi
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✘
✔
✘
jinis erosi
erosi kimia
erosi kimia, erosi gisik