jinis
schists mica, schists calc-silicate, schists grafit, blueschists, whiteschists, greenschists, hornblende Schist, talc Schist, chlorite Schist, garnet Schist, Schist glaucophane.
basalt alkalin, boninite, basalt alumina dhuwur, agêng segara Pegunungan basalt (morb) lan basalt tholeiitic
fitur
gampang pecah dadi lancip piring, Gamelan kanggo tutul
tahan struktural dhuwur marang erosi lan iklim, rock grained banget nggoleki