tatanan
porphyry wis kawangun rong: magma cools alon jero ing lemah ndhuwur utawa magma punika ndingin kanthi cepet minangka erupts saka gunung mbledhos, nggawe butiran alit sing biasane bisa dideleng nganggo mripat wuda.
rhyolite punika rock extrusive felsic lan amarga isi silika dhuwur, rhyolite lahar banget viscous lan padha vulkanik granit.
komposisi
isi Mineral
biotite, chert, Feldspar, garnet, grafit, quartz, silika
biotite, Feldspar, hornblade, plagioclase, pyroxene, quartz
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, kalium oxide, MgO, sodium oxide, silikon dioksida, titanium dioxide
ca, fe, kalium oxide, mg, kalium, silikon dioksida, sodium
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional
metamorphism kakubur, metamorphism cataclastic, metamorphism regional
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan kimia
udan biologi, udan kimia, udan mechanical
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, erosi gisik, erosi Glacier
erosi kimia, erosi segara, banyu erosi, angin erosi