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Geologic Atlas of California - Los Angeles Sheet



Geologic Atlas of California - Los Angeles Sheet


California Geological Survey, Geologic Atlas of California Map No. 008, 1:250,000 scale

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

1969

DESCRIPTION OF MAP UNITS

Dune sand
Alluvium
Fan deposits
Lake deposits
River terrace deposits
Pleistocene marine and marine terrace deposits
Pleistocene nonmarine
Plio-Pleistocene nonmarine
Undivided Pliocene nonmarine
Upper Pliocene nonmarine
Upper Pliocene marine
Middle and/or lower Pliocene nonmarine
Middle and/or lower Pliocene marine
Undivided Miocene nonmarine
Upper Miocene marine
Middle Miocene nonmarine
Middle Miocene marine
Lower Miocene marine
Miocene volcanic rocks
Mvr-rhyolite
Mva-andesite
Mvb-basalt
Mvp-pyroclastic rocks 
Oligocene nonmarine
Oligocene marine
Oligocene volcanic rocks
Ovr-rhyolite
Ova-andesite
Ovb-basalt
Ovp-pyroclastic rocks  
Eocene marine
Paleocene marine
Tertiary nonmarine
Tertiary marine
Tertiary intrusive (hypabyssal) rocks
Tir-rhyolite
Tia-andesite
Tib-basalt
Tertiary volcanic rocks
Tvr-rhyolite
Tva-andesite
Tvb-basalt
Tvp-pyroclastic rocks
Upper Cretaceous marine
Lower Cretaceous marine
Franciscan group
Franciscan volcanic and metavolcanic rocks
Upper Jurasssic marine
Mesozoic granitic rocks 
Mesozoic basic intrusive rocks
Mesozoic ultrabasic intrusive rocks
Pre-Cretaceous metamorphic rocks (ls=limestone)
Pre-Cretaceous metasedimentary rocks
Paleozoic marine (ls=limestone)
Pre-Cretaceous metavolcanic rocks
Pre-Cenozoic granitic and metamorphic rocks
Paleozoic metavolcanic rocks
Undivided Precambrian metamorphic rocks
pCg=gneiss
pCs=schist
pCls=limestone and/or dolomite
Undivided Precambrian granitic rocks

Precambrian anorthosite

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