THE TERRESTRIAL DEPOSITS OF OWENS VALLEY, 



CALIFORNIA 



ARTHUR C. TROWBRIDGE 



State University of Iowa 



CONTENTS 



Introduction 



Deposits at the Base of the Sierra Mountains 

 Location and Extent 

 Topography 



Fans and Inter-Fan Areas 

 Channels and Ridges 

 Stream Canyons 

 Bowlder Belts 

 Slope of the Bajada 

 Materials 

 Texture 

 Structure 

 Terrestrial Deposits of the Inyo Mountains 

 Pliocene Lacustrine Deposits 



Lake Beds in Waucobi Canyon 

 Lake Beds near Haiwee 



Older Deposits at the Foot of the Inyo Mountains 

 Distribution as Indication of Age 

 Constitution 

 Origin 

 The Present Fans 

 Distribution 

 Shape and Topography 

 Materials 

 Summary 

 Some Problems of the Terrestrial Deposits 

 Manner of Formation of the Fans and Bajada 

 Causes of Deposition 

 Forms Taken by the Deposits 

 The Transportation of Large Bowlders 

 Lens and Pocket Stratification 

 The Dissection of the Sierra Bajada 



Deposits of Two Ages at the Foot of the Inyo Mountains 

 Criteria for Distinguishing Alluvial Fan Materials 



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