CONTACT INFORMATION Mining Records Curator Arizona Geological Survey 416 W. Congress St., Suite 100 Tucson, Arizona 85701 520-770-3500 http://www.azgs.az.gov [email protected] The following file is part of the James Doyle Sell Mining Collection ACCESS STATEMENT These digitized collections are accessible for purposes of education and research. We have indicated what we know about copyright and rights of privacy, publicity, or trademark. Due to the nature of archival collections, we are not always able to identify this information. We are eager to hear from any rights owners, so that we may obtain accurate information. Upon request, we will remove material from public view while we address a rights issue. CONSTRAINTS STATEMENT The Arizona Geological Survey does not claim to control all rights for all materials in its collection. These rights include, but are not limited to: copyright, privacy rights, and cultural protection rights. 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I WESTERN ARIZONA PROJECT I A regional geologic-metallogenic-target delineation I study for precious metals in the Ajo, Phoenix and parts of Lukeville, Salton Sea, El Centro, Prescott, I Needles, Kingman and Williams 1° X 2° Sheets I I Prepared by Z~ I William A. Rehrigi~and Robert T. Wilson | : & APPLIED GEOLOGIC STUDIES INC. I with Section on Tectono-S~ratigraphic Units I by I James J. Hardy, Jr. I February, 1985 I I I I L WESTERN ARIZONA PROJECT A regional geologic-metallogenic-target delineation study for precious metals in the Ajo, Phoenix and parts of Lukeville,.Salton Sea, El Centro, Prescott, Needles, Kingman and Williams I ° X 2° Sheets Prepared by William A. Rehrig and RobertT. Wilson APPLIED GEOLOGIC STUDIES INC. with Section on Tectono-Stratigraphic Units by James J. Hardy, Jr. February, 1985 TABLE OF CONTENTS Page SUMMARY AND CONCLUSIONS ...................................................... 1 RECOMMENDATIONS .............................................................. 5 LITHOTECTONIC UNITS.......................................................... 6 TECTONIC OVERVIEW ............................................................ 31 METALLIZATION ................................................................ 50 Overview and Regional Distribution ........................................ 51 District Focus ............................................................ 60 Alamo District ....................................................... 62 Alamo Springs District ............................................... 64 Big Horn District .................................................... 67 Black Canyon District ................................................ 71 Black Rock District .................................................. 74 Black Rock Hills District ............................................ 79 Bouse District ....................................................... 80 Bullard Peak District ................................................ 81 Castle Creek District ................................................ 85 Castle Dome District ................................................. 88 Cienega District ..................................................... 92 Cimarron Hills District .............................................. 96 Cottonwood District ....................... ... ........................ 99 Crosby District ...................................................... 101 Cunningham Pass District ............................................. 103 Diamond Joe District ................................................. 105 Dome Rock District ................................................... 107 Eagle Tail District .................................................. 111 El Dorado Pass-Gold Bug District ..................................... 114 Ellsworth District ................................................... 116 Eureka (Bagdad) District ............................................. 120 Eureka District ...................................................... 126 Fortuna District ..................................................... 128 French Gulch District ................................................ 130 Gila Bend Mountains District ......................................... 132 Gila City District ................................................... 134 Gold Basin District .................................................. 136 Greenwood District ................................................... 143 Gunsight District .................................................... 145 Hackberry District ................................................... 148 Harquahala District .................................................. 149 Humbug District ....................................................... 155 Kofa District ......................................................... 157 Laguna District .......................................................... La Posa District ........................................................ I62 I Little Harquahala District .......... "..................................... 164 Lost Basin District .................................................. 168 1 Martinez District ~4, O ~Om ~l~e Iwm~e 8e~ n e ee. OB~ ml .6~ e~ ~a4 o4 ~O~O~ ~oIo~4 8~I 171 • Maynard District ............ •......................................... 174 1 McConnico District .................................................... 177 McCracken District ..................................................... 179 1 Midway-Corona Districts ......................... ....................... 180 1 FIinnehaha-Silver Mountain District ................................... 182 Minnesota District ................................................... 184 1 Mojave Mountains District .................................... , ....... 186 1 ?4Don MouNtains District ............................................... 191 Muggi ns Di strict ...................................................... 193 1 Music Mountains District-. .............................................. 195 [] New Water and Bear Hills Area ........................................... 197 1 Northern Plomosa District .............................................. 199 Northern Trigo District il lilt 1tlll41a~lilitll !11 IIJlitlell III tli I110 ! 204 1 0atman District ........................................................ 206 1 Osborne District ...................................................... 211 Pikes Peak District ...................................................... 215 1 Pil grim Di strict 220 1 Pine Grove-Tiger District ............................................. 224 Pine Peak District .... ... ...... ...,..,....... ,....,.........,..... .. .... 230 ll .~0rtland District 231 1 Quijotoa Di strict " 233 1 Rawhide District ....................................................... 238 Relief District 242 1 Salt River Mountains District ........................................ 244 [] Santa Maria District ................................................. 247 Sheep Tanks District .................................................. 253 1 Sil ver District ....................................................... 256 1 Sout~ern Plomosa District .............................................. 26! Tank Mountai ns .......................................................... 264 1 Tip Top District ............... , ..................................... 266 • Union Pass District ................................................... 268 1 Ve~o~ District ........................................................ 274 Virginia-Mocking Bird District ........................................ 278. 1 V~Iture District ....................................................... 281 [] Wallapai District ..................................................... 289 Weaver District ........................................................... 296 1 Webb Di strict ........................................................ 301 1 White Hills District ................................................... 303 White Picacho District ............................................... 308 l Winifred District ........................................................ 315 1 Types of Precious Metals Related Deposits .................................... 317 I. DetachmeRt Fault Type .............................................. 318 1 2. Lower Plate Microdiorite Dike Type................................. 329 [] 3. Thrust Fault Type ................................................. 334 I Page I 4. Mesozoic Stratiform Type........................................... 339 5. Hotspring Deposits of Volcanic Related Origin ..................... 344 6. Vincent-Chocolate Mountains Allochthon Model ...................... 349 i 7. Precambrian Lode Gold Mineralization .............................