California Division of Mines and Geology Bulletin 182 Geologic Guide to the Merced Canyon and Yosemite Valley, California

Cover

Letter of transmittal

Preface

Part I—Geologic guide to the Merced Canyon and Yosemite Valley, California

Summary of the pre-Tertiary geology of the western Sierra Nevada metamorphic belt, California, by Lorin D. Clark

Granitic rocks of the Yosemite Valley area, California, by Frank C. Calkins and Dallas L. Peck

The geology, geomorphology, and soils of the San Joaquin Valley in the vicinity of the Merced River, California, by Rodney J. Arkley

Geomorphology of the Yosemite Valley region, California, by Clyde Wahrhaftig

Part II—Road logs from Hayward through Yosemite Valley via Tracy, Patterson, Turlock, and Merced Falls

Road log 1, U.S. Highway 50 from Hayward to Tracy, California, by Holly C. Wagner and Frederic R. Kelley

Road log 2, Tracy to El Portal via Patterson and Turlock, California, by Clyde Wahrhaftig and L. D. Clark

Road log 3, El Portal to Wawona Tunnel and a circuit of Yosemite Valley, California, by Dallas L. Peck, Clyde Wahrhaftig, and Frank C. Calkins

Plate 1. Geomorphic map and section of the southern part of the western Sierra Nevada metamorphic belt (PDF format)

Plate 2. Guide map to Highway 50, Hayward to Tracy, California (PDF format)

Prepared for the annual meeting of the
AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS
and the
SOCIETY OF ECONOMIC PALEONTOLOGISTS AND MINERALOGISTS
in conjunction with the
PACIFIC SECTIONS OF AAPG-SEPM-SEG

at
SAN FRANCISCO, CALIFORNIA
March 26-29, 1962

CONTRIBUTING AGENCIES

California Division of Mines and Geology
United States Geological Survey
University of California

CONTRIBUTING AUTHORS

FIELD TRIP COMMITTEE

PARKE D. SNAVELY, JR., Chairman
JACK E. SCHOELIHAMER, Vice-Chairman

YOSEMITE VALLEY TRIP

TRANSPORTATION

HOMER J. STEINY, Chairman
KARL ARLETH, Vice-Chairman

STATE OF CALIFORNIA
EDMUND G. BROWN, Governor

THE RESOURCES AGENCY
WILLIAM E. WARNE, Administrator

DEPARTMENT OF CONSERVATION
DeWITT NELSON, Director

DIVISION OF MINES AND GEOLOGY
IAN CAMPBELL, State Geologist