Welcome to the California Department of Conservation

Click here to go to the California Geological Survey

Geologic Atlas of California - Santa Maria Sheet



Geologic Atlas of California - Santa Maria Sheet


California Geological Survey, Geologic Atlas of California Map No. 021, 1:250,000 scale

Compilation by: Charles W. Jennings

1959

DESCRIPTION OF MAP UNITS

Dune sand
Alluvium
River terrace deposits
Pleistocene marine and marine terrace deposits
Pleistocene nonmarine
Plio-Pleistocene nonmarine
Upper Pliocene marine
Middle and/or lower Pliocene marine
Upper Miocene marine
Middle Miocene marine
Lower Miocene marine
Miocene volcanic rocks
Mvr-rhyolite
Mva-andesite
Mvb-basalt
Mvp-pyroclastic rocks 
Oligocene nonmarine
Oligocene marine
Eocene marine
Tertiary intrusive (hypabyssal) rocks
Tir-rhyolite
Tia-andesite
Tib-basalt
Upper Cretaceous marine
Lower Cretaceous marine
Franciscan group
Franciscan volcanic and metavolcanic rocks
Knoxville formation
Mesozoic ultrabasic intrusive rocks

Click here for the Index to Geologic Mapping in California.

Click here to order this CGS map.