tatanan
Wangun rock pumice nalika magma cools supaya cepet sing atom ing nyawiji sing ora bisa kanggo ngatur piyambak menyang struktur kristal.
basanite punika, hard rock nggoleki-grained sing formulir nalika bit lahar njupuk metu saka gunung.
komposisi
isi Mineral
oksida aluminium, kalsit, karbonat, oksida wesi, silika
augite, Feldspar, ilmenite, olivine, plagioclase
senyawa isi
al, aluminium oxide, cao, karbon dioksida, MgO, silikon dioksida
kalium oxide, sodium oxide, silikon dioksida
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, impact metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, metamorphism regional
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan kimia, udan mechanical
udan kimia, udan mechanical
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi, angin erosi
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi, angin erosi