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Geologic Atlas of California - Ukiah Sheet



Geologic Atlas of California - Ukiah Sheet


California Geological Survey, Geologic Atlas of California Map No. 024, 1:250,000 scale

Compilation by: Charles W. Jennings and Rudolph G. Strand

1960

DESCRIPTION OF MAP UNITS

Dune sand
Alluvium
Stream channel deposits
Fan deposits
Basin deposits
Recent volcanic rocks
Qrvr-rhyolite
Qrva-andesite
Qrvb-basalt
Qrvp-pyroclastic rocks
River terrace deposits
Pleistocene marine and marine terrace deposits
Pleistocene volcanic rocks
Qpvr-rhyolite
Qpva-andesite
Qpvb-basalt
Qpvp-pyroclastic rocks
Pleistocene nonmarine
Plio-Pleistocene nonmarine
Quaternary and/or Pliocene cinder cones
Upper Pliocene nonmarine
Middle and/or lower Pliocene marine
Pliocene volcanic rocks
Pvr-rhyolite
Pva-andesite
Pvb-basalt
Pvp-pyroclastic rocks
Middle Miocene marine
Eocene marine
Paleocene marine
Tertiary volcanic rocks
Tvr-rhyolite
Tva-andesite
Tvb-basalt
Tvp-pyroclastic rocks
Undivided Cretaceous marine
Upper Cretaceous marine
Lower Cretaceous marine
Franciscan group
Franciscan volcanic and metavolcanic rocks
Knoxville formation
Mesozoic ultrabasic intrusive rocks
Pre-Cretaceous metasedimentary rocks
Pre-Cretaceous metavolcanic rocks

Click here for the Index to Geologic Mapping in California.

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