jinis
rhyolite
Flint, jasper, radiolarite, chert umum, chalcedony, agate, onyx, opal, magadi-jinis chert, porcelanite, Sinter siliceous
fitur
rock grained banget nggoleki, iku salah siji sing paling tuwa, kuat lan paling angel rock
clasts Gamelan kanggo tutul, gampang pecah dadi lancip piring, tahan struktural dhuwur marang erosi lan iklim
pinunjul arkeologi
monumen
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monumen misuwur
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reca
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patung misuwur
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Pictographs
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petroglyphs
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figurines
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fosil
absen
saiki