Nrocenr Secrions or CALiIroRNIA (afler J. P. Smith) 
Kern (County) Coalinga San Luis Obispo Salinas Valley Santa Cruz Mt. Diablo Region 
os 
Marine beds iS 
3 | of Lake Mer- | 9 
& |ced and fresh-| & 
: th [S| Type section of |$ 2 | Sania Clana [a 
F fa| eibebetart || TeeeSeelan et | | covets thon 2 
(Tule with some 6 | Supposed to be of |‘, type section g Brechwater 
brackish-water beds] 3 | freshwater origin | 4 2 Phiacena 
& Ay o 
: od _ and 
Marine bedaioe 5 | Miocene of the 
ea Y |! Berkeley Hills 
5 Pecten healeyi 
‘DB 
— E a 
d 
= Ay 
49 
= Beds with a 
| Pecten wattsi g 
Ss and ——_—*| 8 |Doubtfully referred] .¢ Sand é LE 
(Base of ¢| P.coalingaensis | £| to this horizon. | & Seu ae with ; 
“McKittrick So & | It may be the E-| cute 5 gibbsi 5 Type section on 
Formation ”’) 2 “ | equivalent of the |S] p fe et 2| San Pablo Bay 
iS = | Santa Margarita | CCLeL Wats cS with 
rca} B © | Pecten pabloensis 
Ay g and 
D Astrodapsis 
tumidus 
Jacalitos beds ; Kirker’s Pass beds 
with Type section of with 
Pecten oweni £ Typical sandstones s Santa Mereanta gs s Santa Margarita 
| with Ostrea titan | 3 | With Ostrea titan [2 | cu ndstones with | 8 fauna 
&| “ Tamiosoma | |  Tamiosoma | | ““Ostrea titan | 8 
S a s gregaria, 3 ee 
RNS i = Ss gregaria, and S and> I 
ASSES UES) me) s = | Pecten estrellanus a Pecten estrellanus | 4 Astrodapsis e 5 
= Beds with 8 $ and _ gs Anitiselit | Sandstones with 
g Tamiosoma § S (Pecten crassicardo) § q Ostrea titan 
5 | gregaria, Ostrea | eB io) 2 and _ 
= titan, and > ae SS Pecten crassicardo 
&2| Pecten estrellanus ; , 
4 ___| Pecten discus bed |__| Pecten discus beds | — see 
fo} 
S D> ES 
2 D> ea) 3 
= alent Doubtfully referred] 2 5 5 ares 5 
£ Bituminous 6 ie 2! Diatomaceous | 2 2 __, Bituminous re Monterey shale 
5 shales Mesa Bll spelt, iio cing IS Type section of | § |diatomaceous shale] § 
S S | typical Monterey |= Monterey shale |S S 
=z Sa | ee ee eee Beal 
2 ‘ker’ ch b 
B 5 : 
ne oath Acaeoma os | Type section of | | Sandstone with «| Sandstones with 
S barkerianum |= | , 2emblor, with | -2 |Agasoma gravidum 2 |Agasoma gravidum 
Oo Agasoma g | fauna like that of g Turritella ocoyana ‘g | Turritella ocoyana 
=| kernianumand |< the Ocoya Creel é and Mytilus é and : 
3 Pecten andersoni formation mathewsoni Pecten andersoni 
(S) Sen 
Type section of 
Vaqueros, 
= |massive sandstones| 
‘ali r he : | 3 
Massive sandstones 
with 
