basaltic trachandesite punika, hard rock nggoleki-grained sing formulir nalika bit lahar njupuk metu saka gunung.
ganisters sing kawangun dening karusakan saka mineral gampang weathered utamané Feldspar, ing cakrawala lumahing lemah dening pangolahan lemah pambentuk.
olivine, plagioclase, pyroxene
kalsit, lempung, mineral lempung, Feldspar, micas, quartz
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
aluminium oxide, cao, wesi (iii) oxide, kalium oxide, MgO, sodium oxide, silikon dioksida