phonolite sing kawangun amarga aktivitas igneous alkalin lan umumé kawangun ing wilayah crustal Continental nglukis utawa ing zona subduksi cordilleran. 0
albite, amphibole, biotite, cancrinite, Feldspar, hornblende, plagioclase, pyroxene, sodalite 0
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide 0
udan kimia, udan mechanical 0
erosi kimia, erosi gisik, banyu erosi, angin erosi 0