Table of Contents for Guidebook 26, Black Canyon of the Colorado River and Castle Mountains Gold Mine, 1998:

TABLE OF CONTENTS

Field Trip Itinerary.......................................................................................................................1

Geology and Mineral Deposits of Clark County, Nevada (excerpt)........................................................3

C.R. Longwell, E.H. Pampeyan, Ben Bowyer, and R.J. Roberts

Gold Deposits of the Las Vegas Region...........................................................................................9

Peter A. Drobeck, Richard R. Kern, Scott L. Jenkins, David L. McClure, Kent Ashburn, Harold Linder, Edward J. Huskinson, F.L. 'Bud' Hillemeyer, and W. Thomas Dodge

Geologic Tours in the Las Vegas Area: Trip 4 - Lake Mead, Hoover Dam, and Nelson.......................31

Becky Weimer Purkey, Ernest M. Duebendorfer, Eugene I. Smith, Jonathan G. Price, and Stephen B. Castor

Geologic Map of the Boulder Beach Quadrangle (portion of)...............................................................50

Eugene I. Smith

Greetings from Hoover Dam.........................................................................................................53

Susan E. Tanges

Boulder Canyon Project Final Reports, Part I - Introductory Bulletin I - History and Description of Project (excerpt)...........................................................................................................................55

US Department of the Interior, Bureau of Reclamation

Geologic History of the Hoover Dam 7.5'Quadrangle....................................................................85

James G. Mills, Jr.

Geologic Map of the Hoover Dam Quadrangle (portion of)...............................................................89

James G. Mills, Jr.

Mid-Tertiary Volcanoes in the Lake Mead Area of Southern Nevada and Northwestern Arizona........93

Eugene I. Smith, Casey S. Schmidt, and James G. Mills

Magma Mixing and Commingling in the Northern Colorado River Extensional Corridor: Constraints on the Production of Intermediate Magmas - Parts I and II..............................................................109

Rodney V. Metcalf, Eugene I. Smith, and James G. Mills

Geometry and Kinematics of a Miocene "Accommodation Zone" in the Central Black and Southern Eldorado Mountains, Arizona and Nevada..................................................................................131

James E. Faulds, F.L. 'Bud' Hillemeyer, and Eugene I. Smith

Castle Mountains - Geology and Gold Mineralization: San Bernardino County, California and Clark County, Nevada......................................................................................................................149

Richard C. Capps and John A. Moore

Castle Mountains Gold Deposit, Hart Mining District, San Bernardino County, California..............172

Harold Linder

Gold in the California Desert - Past, Present, and Future............................................................180

Robert Hill

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