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placervillegeomap

Rock units from oldest to youngest: m/um, mafic and ultramafic rocks of early Mesozoic age (ophiolite); J, marine rocks of Jurassic age; Mzv, volcanic rocks of Mesozoic age; grMz, late Jurassic granite; gb, late Jurassic gabbro. From the online state geologic map.

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placervillegeomap