trachyte iku sawijining rock vulkanik igneous karo aphanitic kanggo tektur porphyritic. iku padha karo vulkanik saka syenite rock lan formulir minangka asil diferensiasi magmatic. 0
augite, biotite, Feldspar, hornblade, plagioclase, quartz 0
kalium oxide, sodium oxide, silikon dioksida 0
metamorphism cataclastic, kontak metamorphism, metamorphism regional 0
udan biologi, udan kimia, udan mechanical 0
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi, angin erosi 0