jinis
gandheng tuff, tuff rhyolitic, basaltic tuff, trachyte tuff lan tuff andesitic.
schists mica, schists calc-silicate, schists grafit, blueschists, whiteschists, greenschists, hornblende Schist, talc Schist, chlorite Schist, garnet Schist, Schist glaucophane.
fitur
tansah ditemokake minangka pipo vulkanik liwat lemah ndhuwur Continental jero
gampang pecah dadi lancip piring, Gamelan kanggo tutul