PROCEEDINGS 
OF THE 
CALIFORNIA ACADEMY OF SCIENCES 
FourtH SERIES 
Vo. III, pp. 1-40 OctToBER 31, 1908 
A FURTHER STRATIGRAPHIC STUDY IN THE 
MOUNT DIABLO RANGE OF CALIFORNIA 
BY FRANK M. ANDERSON 
Curator of the Department of Invertebrate Paleontology 
CONTENTS 
PAGE 
INTRODUCTION : : : : : : 2 
CONDITIONS OF DEPOSITION DURING THE TERTIARY 6 
THE CRETACEOUS AND EARLIER SERIES 8 
THE EOCENE ROCKS 9 
Distribution 9 
Stratigraphy 11 
The Lower Sandstones } : : ; , i : 12 
The Lower Shales . ; . : : 4 : ; : 13 
The Upper Sands 14 
The Upper Shales . 15 
THE MIOCENE SERIES 17 
The Temblor Beds . 18 
The Monterey Shales : f : p : ; F 20 
The Coalinga Beds : : : : : : ’ : 22 
THE PLIOCENE SERIES . f ! : , : : : : 28 
The Etchegoin Beds : : : j : : : : 28 
The Tulare Formation . q : A , ; 5 ea) | 
THE PLEISTOCENE RECORD . é : : : ; : 5 32 
The Terraces . ‘ P ‘ ; ; z : 2 5 32 
The Pleistocene Deposits 5 : : ; : ; : 34 
STRATIGRAPHIC RELATIONS . 3 : : : A , : 35 
CORRELATIONS : é ; : ‘ : : : : ‘ 37 
October 31, 1908 
