jinis
rocks pumice, rocks obsidian, rocks perlite, rocks porphyritic.
gandheng tuff, tuff rhyolitic, basaltic tuff, trachyte tuff, tuff andesitic lan ignimbrite.
fitur
ngandhut asam ing alam, kasedhiya ing persil saka werna
tansah ditemokake minangka pipo vulkanik liwat lemah ndhuwur Continental jero
pinunjul arkeologi
monumen
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monumen misuwur
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pulo Paskah ing segitiga Polinesia, pacific segara
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
absen