U.S. GEOLOGICALSURVEY 
GEORGE OTIS SM ITH, DI RECTOR 
BULLETIN NO 322 PL. VI! 
SANTA MARIA 
VALLEY 
Ot a 
SANTA MARIA 
VALLEY 
PACIFIC 
OCEAX 
Sea level . 
GRACIOSA 
RIOGE 
SANTA MARIA VALLEY 
E Of Dal 
SANTA MARIA 
VALLEY 
SANTA MARIA 
n . VALLEY 
Sea le\’el 
Oil sands 
LOS ALAMOS 
VALLEY 
SANTA YNEZ *.2 
VALLEY 55 
TIONS ALONG LINES a-a to j-j on GEOLOGIC MAI 
Scale 12600 0 
5 miles 
LEGEND 
SEDIMENTARY ROCKS 
Q al 
Alluvium 
Terrace deposits 
• including alluvtum ejccept 
in huger valleys) 
UNCON FOR M / T Y 
>- 
(T 
< 
\l 
( UJ 
1 h 
Id 
I a 
mm 
Fernando formation 
Monterey shale 
f siliceous, bituminous,tliatnmuceous 
shales and. limestone) 
Tuff in terbe deled 
with the Monterev 
Vaqueros, Sespe, anil Tejon formations, 
undifferentiated 
(including some Monterey in Santa Inez Ranae- 
Sandstone, shale,conglomerate, and limestone) 
Pre -Monterey 
I safulstone,shale,and conglomerate > 
UNCONFORMITY 
Jf 
Franciscan formation. 
i chiefly serjyentine intruded in 
sandstoneRasfjer' and associated 
metamorplue glaucophaneschist 1 
Asphalt 
IGNEOUS ROCKS 
Post-Monterey inlrusives 
( intrusive diabase / 
b 
Pre 7 Monleiey inlrusives 
t intrusive basalt,diabase,gubbro, 
peridotite, and serpen tine .) 
1 
1 
1907 
PRE-TERTIARY? TERTIARY JURASSIC? CRETACEOUS- TERTIARY 
