Preliminary Surficial Geologic Map of the Newberry Springs 30'X 60

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Preliminary Surficial Geologic Map of the Newberry Springs 30'X 60 Preliminary Surficial Geologic Map of the Newberry Springs 30' x 60' Quadrangle, California By G.A. Phelps, D.R. Bedford, D.J. Lidke, D.M. Miller, and K.M. Schmidt Pamphlet to accompany Open-File Report 2011–1044 2012 U.S. Department of the Interior U.S. Geological Survey U.S. Department of the Interior KEN SALAZAR, Secretary U.S. Geological Survey Marcia K. McNutt, Director U.S. Geological Survey, Reston, Virginia: 2012 For product and ordering information: World Wide Web: http://www.usgs.gov/pubprod Telephone: 1–888–ASK–USGS For more information on the USGS—the Federal source for science about the Earth, its natural and living resources, natural hazards, and the environment: World Wide Web: http://www.usgs.gov Telephone: 1–888–ASK–USGS Suggested citation: Phelps, G.A., Bedford, D.R., Lidke, D.J., Miller, D.M., and Schmidt, K.M., 2012, Preliminary surficial geologic map of the Newberry Springs 30’ x 60’ quadrangle, California: U.S. Geological Survey Open-File Report 2011–1044, pamphlet 68 p., 1 sheet, scale 1:100,000. (Available at http://pubs.usgs.gov/of/2011/1044/.) Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government Although this report is in the public domain, permission must be secured from the individual copyright owners to reproduce any copyrighted material contained within this report. ii Contents Contents .......................................................................................................................................................................................... iii Figures ............................................................................................................................................................................................ iv Tables .............................................................................................................................................................................................. v Introduction ......................................................................................................................................................................................1 Physiographic Setting ......................................................................................................................................................................1 Previous Quaternary Mapping..........................................................................................................................................................2 Tectonic Setting ...............................................................................................................................................................................3 Quaternary Faults ............................................................................................................................................................................5 South Bristol Mountains Fault ......................................................................................................................................................5 Broadwell Lake Fault ....................................................................................................................................................................6 Broadwell Mesa Fault ...................................................................................................................................................................6 Ludlow Fault .................................................................................................................................................................................6 Lavic Lake Fault ...........................................................................................................................................................................7 Bullion Fault .................................................................................................................................................................................8 Cady Fault ....................................................................................................................................................................................9 West Calico Fault .........................................................................................................................................................................9 Pisgah Fault .................................................................................................................................................................................9 Manix Fault .................................................................................................................................................................................10 Calico Fault ................................................................................................................................................................................11 Rodman Fault .............................................................................................................................................................................12 Galway Lake Fault .....................................................................................................................................................................12 Emerson Fault ............................................................................................................................................................................13 Homestead Valley Fault .............................................................................................................................................................13 Camp Rock Fault .......................................................................................................................................................................13 Johnson Valley Fault ..................................................................................................................................................................14 Dolores Lake Fault .....................................................................................................................................................................14 Lenwood Fault ............................................................................................................................................................................14 Tin Can Alley Fault .....................................................................................................................................................................15 Harper Lake Fault ......................................................................................................................................................................15 The Fault Database ........................................................................................................................................................................15 Quaternary Volcanic Rocks ............................................................................................................................................................17 Broadwell Lake ...............................................................................................................................................................................17 Mojave River Plain .........................................................................................................................................................................18 Late Pliocene–Late Pleistocene Playa and Lake Deposits along the Mojave River Valley (Manix formation and Mojave River formation) .......................................................................................................................................................................................19 Groundwater Discharge Deposits ..................................................................................................................................................21 Pedogenesis ..................................................................................................................................................................................21 Desert Pavements ..........................................................................................................................................................................23 Explanation of Map-Unit labels.......................................................................................................................................................25 Map-Unit labels ..........................................................................................................................................................................25 Composite Unit Labels ...............................................................................................................................................................26 Overlying Unit (/) ....................................................................................................................................................................26 Mixed Units (+) .......................................................................................................................................................................26 iii Parent Lithology (-) .................................................................................................................................................................26
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