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Miocene marine rocks (CAMI;0)

Geologic Formation in CA
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Lithology
Siltstone
Conglomerate
Sandstone
Other (3,874 mi²)
Geologic Age
Oligocene – Pliocene (33.9 Ma – 2.58 Ma ago)
Geologic Unit Label
MI
Sandstone, shale, siltstone, conglomerate and breccia; in part Pliocene and Oligocene.
— USGS
Taxonomy

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Geologic Formation
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