jinis
Flint, jasper, radiolarite, chert umum, chalcedony, agate, onyx, opal, magadi-jinis chert, porcelanite, Sinter siliceous
dacite footwall, hanging dacite wall, tuff lan biotite dacite
fitur
clasts Gamelan kanggo tutul, gampang pecah dadi lancip piring, tahan struktural dhuwur marang erosi lan iklim
tuan rumah rock kanggo timbal, iku salah siji saka rock tuwa