jinis
anorthosite proterozoic lan anorthosite archean
schists mica, schists calc-silicate, schists grafit, blueschists, whiteschists, greenschists, hornblende Schist, talc Schist, chlorite Schist, garnet Schist, Schist glaucophane.
fitur
umume atos kanggo tutul, iku salah siji saka rock tuwa
gampang pecah dadi lancip piring, Gamelan kanggo tutul