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THIS VOLUME IS DEDICATED TO WARREN B. HAMILTON For his pioneering work on Mesozoic Compressional Tectonics in the Colorado River area. LIST OF CONTRIBUTORS J. Lawford Anderson Derrick D. Hirsch Christopher J. Natenstedt Richard L. Armstrong Thomas D. Hoisch Robert J. Knipe Rachel Baltz Keith A. Howard James K. Otton Gary M. Beckerman Mary Hume Martha A. Pernokas Lindee Berg Richard W. Hurst Jan-Claire Phillips J. P. Calzia Barbara E. John J. E. N. Pike Christy Craig Michael R. Jorgensen Cynthia L. Pridmore Jerry B. Dahm Douglas P. Klein William A. Rehrig Gregory A. Davis Valerie A. Krass Stephen J. Reynolds M. Jane Ellis Daniel Krummenacher Stephen M. Richard William S. Emerson Gregory Leveille James Ridenour Douglas J. English Richard A. LeVeque Jamie P. Robinson Eric G. Frost Robert E. Logan Eugene I. Smith Welford E. Garner John H. Lyle Jon E. Spencer Pattie Geis Donna L. Martin Paul Stone Mark P. Germinario Richard F. Marvin Susan E. Tanges John W. Goodge John E. Marzolf Derrick B. Teel Warren W. Gross Randall S. Mathis Linda C. Thurn James T. Gutmann William C. McClelland Richard M. Tosdal Warren Hamilton Michael McCurray Phillip t'~. Trumbly David D. Hankins Calvin F. Miller Ryan D. Turner V. L. Hansen David M. Miller Robert D. Wallace Lucy E. Harding Phillip R. Moyle Joe Wilkins, Jr. Gordon Haxel Karl J. Mueller Spencee L. Willett Tom L. Heidrick Kent Murray William R. Wood F. L. "Bud" Hillemeyer John K. Nakata Richard A. Young THIS VOLUME IS DEDICATED TO R. ERNEST ANDERSON For his pioneering work on Tertiary Extensional Tectonics in the Colorado River area. Table of Contents STRUCTURAL EVOLUTION OF THE BIG MARIA MOUNTAINS, NORTHEASTERN RIVERSIDE COUNTY, SOUTHEASTERN CALIFORNIA Warren Hamilton PALEOGEOMORPHOLOGIC EVIDENCE FOR THE STRUCTURAL HISTORY OF THE COLORADO PLATEAU MARGIN IN WESTERN ARIZONA Richard A. Young 29 GEOLOGY AND GEOCHEMISTRY OF THE VOLCANIC ROCKS IN THE RIVER MOUNTAINS, CLARK COUN­ TY, NEVADA AND COMPARISONS WITH VOLCANIC ROCKS IN NEARBY AREAS Eugene I. Smith 41 THE MULE MOUNTAINS THRUST IN THE MULE MOUNTAINS CALIFORNIA AND ITS PROBABLE EXTEN­ SION IN THE SOUTHERN DOME ROCK MOUNTAINS, ARIZONA; A PRELIMINARY REPORT Richard M. Tosdal 55 REGIONAL GRAVITY AND MAGNETIC EVIDENCE FOR A TECTONIC WEAKNESS ACROSS SOUTHWESTERN ARIZONA Douglas P. Klein 61 MINERAL OCCURRENCES IN THE WHIPPLE MOUNTAINS WILDERNESS STUDY AREA, SAN BERNAR- DINO COUNTY, CALIFORNIA james Ridenour, Phillip R. Moyle, and Spencee L. Willett 69 TECTONIC IMPLICATIONS OF CENOZOIC VOLCANISM IN SOUTHEASTERN CALIFORNIA Kent Murray 77 PRELIMINARY REPORT ON DIKING EVENTS IN THE MOHAVE MOUNTAINS, ARIZONA john K. Nakata 85 COMPLEX TERTIARY STRATIGRAPHY AND STRUCTURE, MOHAVE MOUNTAINS, ARIZONA: A PRELIMINARY REPORT J.E.N. Pike and V.L. Hansen 91 DIKE SWARMS AND LOW-ANGLE FAULTS, HOMER MOUNTAIN AND THE NORTHWESTERN SACRA- MENTO MOUNTAINS, SOUTHEASTERN CALIFORNIA Jon E. Spencer and Ryan D. Turner 97 CHARACTER AND ORIGIN OF CATACLASITE DEVELOPED ALONG THE LOW-ANGLE WHIPPLE DETACH­ MENT FAULT, WHIPPLE MOUNTAINS, CALIFORNIA Jan-Claire Phillips 109 GEOLOGY AND REGIONAL SETTING OF THE CASTLE DOME MOUNTAINS, SOUTHWESTERN ARIZONA James T. Gutmann 117 ORIGIN OF FOLDS OF TERTIARY LOW-ANGLE FAULT SURFACES, SOUTHEASTERN CALIFORNIA AND WESTERN ARIZONA jon E. Spencer 123 A PROGRESS REPORT ON THE TECTONIC SIGNIFICANCE OF THE MCCOY MOUNTAINS FORMATION, SOUTHEASTERN CALIFORNIA AND SOUTHWESTERN ARIZONA Lucy H. Harding 135 MULTIPLE DEFORMATION IN THE HARCUVAR AND HARQUAHALA MOUNTAINS, WEST-CENTRAL ARIZONA Stephen J. Reynolds 137 TERTIARY EXTENSIONAL TECTONICS AND ASSOCIATED VOLCANISM IN WEST-CENTRAL ARIZONA James K. Otton 143 MID-TERTIARY DETACHMENT FAULTING AND MINERALIZATION IN THE TRIGO MOUNTAINS, YUMA COUNTY, ARIZONA Welford E. Garner, Eric G. Frost, Susan E. Tanges, and Mark P. Germinario 158 GEOLOGY OF GRANODIORITE IN THE COXCOMB MOUNTAINS, SOUTHEASTERN CALIFORNIA J.P. Calzia 173 BASE AND PRECIOUS METAL MINERALIZATION RELATED TO LOW-ANGLE TECTONIC FEATURES IN THE WHIPPLE MOUNTAINS, CALIFORNIA AND BUCKSKIN MOUNTAINS, ARIZONA Joe Wilkins, Jr. and Tom L. Heidrick 182 THE TEUTONIA BATHOLITH: A LARGE INTRUSIVE COMPLEX OF JURASSIC AND CRETACEOUS AGE IN THE EASTERN MOJAVE DESERT, CALIFORNIA Gary M. Beckerman, Jamie P Robinson, and J. Lawford Anderson 205 STRUCTURAL ANALYSIS OF THE BIG MARIA MOUNTAINS, RIVERSIDE COUNTY, CALIFORNIA M. Jane Ellis 222 PRELIMINARY REPORT ON THE STRUCTURE AND STRATIGRAPHY OF THE SOUTHERN LITTLE HAR- QUAHALA MOUNTAINS, YUMA COUNTY, ARIZONA Stephen M. Richard 235 GEOLOGIC DEVELOPMENT AND LATE MESOZOIC DEFORMATION OF THE LITTLE MARIA MOUNTAINS, RIVERSIDE COUNTY, CALIFORNIA William S. Emerson 245 GEOMETRIC ANALYSIS OF UPPER-PLATE FAULT PATTERNS IN THE WHIPPLE-BUCKSKIN DETACHMENT TERRANE Warren W. Gross and F.L. "Bud" Hillemeyer 256 STRATIGRAPHY AND STRUCTURE OF THE PALEN FORMATION, PALEN MOUNTAINS, SOUTHEASTERN CALIFORNIA Richard A. LeVeque 267 SYNOROGENIC EVOLUTION OF THE COPPER BASIN FORMATION IN THE EASTERN WHIPPLE MOUN- TAINS, SAN BERNARDINO COUNTY, CALIFORNIA Derrick B. Teel and Eric G. Frost 275 THE PETROLOGIC AND TECTONIC EVOLUTION OF VOLCANIC ROCKS IN THE SOUTHERN CALIFORNIA BORDERLAND: A TRANSITIONAL TECTONIC ENVIRONMENT Richard W, Hurst, William R, Wood, and Mary Hume 287 MID-TERTIARY DETACHMENT FAULTING AND MANGANESE MINERALIZATION IN THE MIDWAY MOUN- TAINS, IMPERIAL COUNTY, CALIFORNIA Lindee Berg, Gregory Leveille, and Pattie Geis 298 POSSIBLE RELATIONSHIP BETWEEN MIOCENE CRUSTAL EXTENSION/DETACHMENT FAULTING AND THE DEPOSITION OF THE TOLBARD FANGLOMERATE IN THE MIDWAY AND WESTERN PALO VERDE MOUNTAINS, IMPERIAL COUNTY, CALIFORNIA Michael R, Jorgensen, Christopher J, Natenstedt and Phillip N, Trumbly 313 GEOLOGIC FRAMEWORK OF THE CHEMEHUEVI MOUNTAINS, SOUTHEASTERN CALIFORNIA Barbara E, John 317 MID-TERTIARY DETACHMENT FAULTING IN THE SOUTHEASTERN NEWBERRY MOUNTAINS, CLARK COUNTY, NEVADA Randall S, Mathis 326 GEOLOGIC AND GEOCHRONOLOGIC RECONNAISSANCE OF THE TURTLE MOUNTAINS AREA, CALIFORNIA: WEST BORDER OF THE WHIPPLE MOUNTAINS DETACHMENT TERRANE Keith A Howard, Paul Stone, Martha A Pernokas, and Richard F. Marvin 341 UPPER-PLATE STRUCTURE AND SEDIMENTATION OF THE BAKER PEAKS AREA, YUMA COUNTY, ARIZONA Cynthia L. Pridmore and Christy Craig 356 DETACHED CRYSTALLINE ROCKS OF THE MOHAVE, BUCK, AND BILL WILLIAMS MOUNTAINS, WESTERN ARIZONA Keith A. Howard, John W. Goodge, and Barbara E. John 377 CRYSTALLINE TERRANES OF THE BOWMAN'S WASH AREA OF THE WHIPPLE MOUNTAINS Valerie A Krass 393 STRUCTURAL GEOLOGY OF THE CENTRAL SACRAMENTO MOUNTAINS, SAN BERNARDINO COUNTY, CALIFORNIA William C. McClelland 401 GEOLOGIC AND GEOCHRONOLOGIC RELATIONS IN THE LOWER PLATE OF THE WHIPPLE DETACH­ MENT FAULT, WHIPPLE MOUNTAINS, SOUTHEASTERN CALIFORNIA: A PROGRESS REPORT Gregory A Davis, J. Lawford Anderson, Donna L. Martin, Daniel Krummenacher, Eric G. Frost, and Richard L. Armstrong 408 THE GEOLOGY OF A LATE MIOCENE SILICIC VOLCANIC CENTER IN THE WOODS AND HACKBERRY MOUNTAINS AREA OF THE EASTERN MOJAVE DESERT, SAN BERNARDINO COUNTY, CALIFORNIA Michael McCurry 433 REGIONAL CHARACTER OF MYLONITIC GNEISS IN THE CADIZ VALLEY AREA, SOUTHEASTERN CALIFORNIA Keith A. Howard, David M, Miller, and Barbara E. John 441 MID-TERTIARY DETACHMENT FAULTING IN THE MOHAWK MOUNTAINS OF SOUTHWESTERN ARIZONA Karl J. Mueller, Eric G. Frost, and Gordon Haxel 448 PRELIMINARY GEOLOGY OF A PORTION OF THE SOUTHERN KOFA MOUNTAINS, YUMA COUNTY, ARIZONA Jerry B. Dahm and David D. Hankins 459 INTERRELATIONSHIP OF LATE MESOZOIC THRUST FAULTING AND MID-TERTIARY DETACHMENT FAULTING IN THE RIVERSIDE MOUNTAINS, SOUTHEASTERN CALIFORNIA John H. Lyle 470 PALEOGEOGRAPHIC IMPLICATIONS OF THE EARLY JURASSIC (?) NAVAJO AND AZTEC SANDSTONES John E. Marzolf 493 EVALUATION OF POSSIBLE DETACHMENT FAULTING WEST OF THE SAN ANDREAS, SOUTHERN SANTA ROSA MOUNTAINS, CALIFORNIA Robert D. Wallace and Douglas J. English 502 INTERPRETATION OF AGE RELATIONSHIPS AND DEFORMATIONAL HISTORY, SOUTHEASTERN WHIP­ PLE MOUNTAINS, CALIFORNIA Linda C. Thurn 511 K-Ar GEOCHRONOLOGIC RECORD OF MESOZOIC AND TERTIARY TECTONICS OF THE BIG MARIA- LITTLE MARIA-RIVERSIDE MOUNTAINS TERRANE Donna L. Martin, Daniel Krummenacher, and Eric G. Frost 518 METAMORPHIC CORE COMPLEXES OF THE SOUTHWESTERN UNITED STATES - AN UPDATED ANALYSIS William A Rehrig 551 MESOZOIC THRUSTING, METAMORPHISM, AND PLUTONISM, OLD WOMAN-PI UTE RANGE, SOUTH- EASTERN CALIFORNIA Calvin F. Miller, Keith A Howard, and Thomas D. Hoisch 561 LATE MESOZOIC FOLDING AND THRUSTING AND TERTIARY EXTENSIONAL FAULTING IN THE ARICA MOUNTAINS, RIVERSIDE COUNTY, CALIFORNIA Rachel Baltz 582 GEOMETRY OF DETACHMENT FAULTING AND DIKE EMPLACEMENT IN THE SOUTHWESTERN CASTLE DOME MOUNTAINS, YUMA COUNTY, ARIZONA Robert E. Logan and Derrick D. Hirsch 598 INTERACTION OF FOOTWALL GEOMETRY AND FOLDS DEVELOPED DURING DETACHMENT FAULTING Robert J. Knipe 608 ACKNOWLEDGEMENTS We would like to thank many of the people that have been involved in bringing this volume to its final form. Foremost among these are three people who have kindled our scientific thought, interest, and direction. This volume is really an outgrowth of their research into the Colorado River area, which has brought many of the other workers into this terrane. For their years of teaching, guidance, and friendship, we would like to extend a very heart-felt thanks to Greg Davis, Lawford Anderson, and Daniel Krummenacher. Part of the motivation for bringing this volume together was to recognize the pioneering work of R. Ernest Anderson and Warren B. Hamilton in their studies of Tertiary extension and Mesozoic thrust faulting in the
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    TN 2.4 C3 A3 i<o3 HK STATE OP CAlIFOa!lTA DEPARTMENT OF NATURAL RESOURCES msmtBmmmmmmmmmaam GYPSUM IN CALIFORNIA BULLETIN 163 1952 aou DIVl^ON OF MNES fZBar SDODSia sxh lasncisco ^"^^^^^nBM^^MMa^HBi«iaMa«NnMaMHBaaHB^HaHaa^^HHMi«nfl^HaMHiBHHHMauuHJin««aHiav^aMaHHaHHB«auKaiaMi^^M«ni^Maai^iMMWi^iM^ THE LIBRARY OF THE UNIVERSITY OF CALIFORNIA DAVIS STATE OF CALIFORNIA EARL WARREN, Governor DEPARTMENT OF NATURAL RESOURCES WARREN T. HANNUM, Director DIVISION OF MINES FERRY BUILDING, SAN FRANCISCO 11 OLAF P. JENKINS, Chief San Francisco BULLETIN 163 September 1952 GYPSUM IN CALIFORNIA By WILLIAM E. VER PLANCK LIBRARY UNTXERollY OF CAUFC^NIA DAVIS LETTER OF TRANSMITTAL To IIlS EXCELLKNCY, TlIK IIONORAHLE EauL AVaRREN Governor of the State of California Dear Sir: I have the lionor to transmit herewitli liuUetiii 163, Gyj)- sinn in California, prepared under tlie direetion of Ohif P. Jenkins, Chief of the Division of ]\Iines. Gypsum represents one of the important non- metallic mineral commodities of California. It serves particularly two of California's most important industries, aprieulture and construction. In Bulletin 163 the author, W. p]. Xev Phinek, a member of the staff of the Division of Mines, has prepared a comprehensive treatise cover- ing all phases of the subject : history of the industry, geologic occurrence and origin of tlie minoi-al, mining, i)rocessing and marketing of the com- modity. Specific g3'psum i)roperties Avere examined and mapped. The report is profusely illustrated by maps, charts and photographs. In the preparation of the report it was necessary for the author to make field investigations, laboratory and library studies, and to determine how the mineral is used in industry as Avell as how it occurs in nature and how it is mined.
  • Chemehuevi Valley Groundwater Basin Bulletin 118

    Chemehuevi Valley Groundwater Basin Bulletin 118

    Hydrologic Region Colorado River California’s Groundwater Chemehuevi Valley Groundwater Basin Bulletin 118 Chemehuevi Valley Groundwater Basin • Groundwater Basin Number: 7-43 • County: San Bernardino • Surface Area: 273,000 acres (427 square miles) Basin Boundaries and Hydrology This basin underlies Chemehuevi Valley in eastern San Bernardino County. The basin is bounded by Havasu Lake on the east and by nonwater-bearing rocks of the Sacramento Mountains on the north, of the Chemehuevi Mountains on the northeast, of the Whipple Mountains on the southeast, of the Turtle Mountains on the west and south (Bishop 1963). The valley is drained by Chemehuevi Wash to Havasu Lake. Annual average precipitation ranges from about 4 to 6 inches. Hydrogeologic Information Water Bearing Formations Groundwater in the basin is found in alluvium and the Bouse Formation. Alluvium. Holocene age younger alluvium, which is found in washes and the floodplain of the Colorado River, is composed of sand, silt and gravel (Metzger and Loeltz 1973). Older alluvium consists of unconsolidated, fine- to coarse-grained sand, pebbles, and boulders with variable amounts of silt and clay. Bouse Formation. The Pliocene age Bouse Formation is composed of a basal limestone bed overlain by interbedded clay, silt, and sand. Thickness of the formation reaches 254 feet (Metzger and Loeltz 1973). The formation is underlain by locally derived fanglomerate and overlain by alluviums of the Colorado River and its tributaries. Restrictive Structures An unnamed fault crosses a portion of the southern side of the basin (Bishop 1963), but it is not known whether or not this fault impedes groundwater flow in the basin.