Flint, jasper, radiolarite, chert umum, chalcedony, agate, onyx, opal, magadi-jinis chert, porcelanite, Sinter siliceous
gabbro hornblende lan hornblende peridotite
clasts Gamelan kanggo tutul, gampang pecah dadi lancip piring, tahan struktural dhuwur marang erosi lan iklim
clasts Gamelan kanggo tutul, global matrik, lumahan asring mengilap