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Preliminary geologic map of the Murrieta 7.5' quadrangle, Riverside County, California

The Murrieta quadrangle is located in the northern part of the Peninsular Ranges Province and includes parts of two structural blocks, or structural subdivisions of the province. The quadrangle is diagonally crossed by the active Elsinore fault zone, a major fault zone of the San Andreas fault system, and separates the Santa Ana Mountains block to the west from the Perris block to the east. Both
Authors
Michael P. Kennedy, Douglas M. Morton

Preliminary northeast Asia geodynamics map

This map portrays the geodynamics of Northeast Asia at a scale of 1:5,000,000 using the concepts of plate tectonics and analysis of terranes and overlap assemblages. The map is the result of a detailed compilation and synthesis at 5 million scale and is part of a major international collaborative study of the Mineral Resources, Metallogenesis, and Tectonics of Northeast Asia conducted from 1997 th
Authors
Leonid M. Parfenov, Alexander I. Khanchuk, Gombosuren Badarch, Robert J. Miller, Vera V. Naumova, Warren J. Nokleberg, Masatsugu Ogasawara, Andrei V. Prokopiev, Hongquan Yan

Preliminary paleomagnetic results from the Coyote Creek Outdoor Classroom drill hole, Santa Clara Valley, California

Paleomagnetic samples were obtained from cores taken during the drilling of a research well along Coyote Creek in San Jose, California, in order to use the geomagnetic field behavior recorded in those samples to provide age constraints for the sediment encountered. The well reached a depth of 308 meters and material apparently was deposited largely (entirely?) during the Brunhes Normal Polarity Ch
Authors
Edward A. Mankinen, Carl M. Wentworth

Preliminary publications book 2 from project on mineral resources, metallogenesis, and tectonics of northeast Asia

This is the Web version of a CD-ROM publication. This report consists of summary major compilations and syntheses accomplished in the six-year project through April 2003 for the study on the Mineral Resources, Metallogenesis, and Tectonics of Northeast Asia (Eastern and Southern Siberia, Mongolia, Northeastern China, South Korea, and Japan). The major scientific goals and benefits of the project a
Authors
Warren J. Nokleberg, Robert J. Miller, Vera V. Naumova, Alexander I. Khanchuk, Leonid M. Parfenov, Mikhail I. Kuzmin, Tatiana M. Bounaeva, Alexander A. Obolenskiy, Sergey M. Rodionov, Zhan V. Seminskiy, Michael F. Diggles

Preliminary metallogenic belt and mineral deposit maps for northeast Asia

The metallogenic belts and locations of major mineral deposits of Northeast Asia are portrayed on Sheets 1-4. Sheet 1 portrays the location of significant lode deposits and placer districts at a scale of 1:7,500,000. Sheets 2-4 portray the metallogenic belts of the region in a series of 12 time-slices from the Archean through the Quaternary at a scale of 1:15,000,000. For all four map sheets, a ge
Authors
Alexander A. Obolenskiy, Sergey M. Rodionov, Gunchin Dejidmaa, Ochir Gerel, Duk-Hwan Hwang, Elimir G. Distanov, Gombosuren Badarch, Alexander I. Khanchuk, Masatsugu Ogasawara, Warren J. Nokleberg, Leonid M. Parfenov, Andrei V. Prokopiev, Zhan V. Seminskiy, Alexander P. Smelov, Hongquan Yan, Gennandiy V. Birul'kin, Yuriy V.V. Davydov, Valeriy Yu. Fridovskiy, Gennandiy N. Gamyanin, Alexei V. Kostin, Sergey A. Letunov, Xujun Li, Valeriy M. Nikitin, Sadahisa Sotnikov, Vitaly I. Sudo, Alexander V. Spiridonov, Vitaly A. Stepanov, Fengyue Sun, Jiapeng Sun, Weizhi Sun, Valeriy M. Supletsov, Vladimir F. Timofeev, Oleg A. Tyan, Valeriy G. Vetluzhskikh, Koji Wakita, Yakov V. Yakovlev, Lydia M. Zorina

Geology of Badlands National Park: A preliminary report

Badlands National Park is host to perhaps the most scenic geology and landscape features in the Western Interior region of the United States. Ongoing erosion that forms the "badlands" exposes ancient sedimentary strata of Late Cretaceous through Oligocene age. Quaternary erosional and depositional processes are responsible for most of the modern landscape features in the park and surrounding regio
Authors
Philip W. Stoffer

Geologic map of the Valjean Hills 7.5' quadrangle, San Bernardino County, California

Open-File Report 03-096 contains a digital geologic map database of the Valjean Hills 7.5' quadrangle, San Bernardino County, California that includes: ARC/INFO (Environmental Systems Research Institute, http://www.esri.com) version 8. 2 coverages of the various elements of the geologic map. A Postscript file to plot the geologic map on a topographic base, and containing a Correlation of Map Unit
Authors
J. P. Calzia, Bennie W. Troxel, Christian G. Raumann

Geologic map and digital database of the Bachelor Mountain 7.5' quadrangle, Riverside County, California

Open-File Report 03-102 contains a digital geologic map database of the Bachelor Mountain 7.5’ quadrangle, Riverside County, California that includes: ARC/INFO (Environmental Systems Research Institute, http://www.esri.com) version 7.2.1 coverages of the various elements of the geologic map. A Postscript file to plot the geologic map on a topographic base, and containing a Correlation of Map Unit
Authors
Douglas M. Morton, Michael P. Kennedy, Kelly R. Bovard, Diane Burns

Geologic map and digital database of the Romoland 7.5' quadrangle, Riverside County, California

Open-File Report 03-102 contains a digital geologic map database of the Romoland 7.5’ quadrangle, Riverside County, California that includes: ARC/INFO (Environmental Systems Research Institute, http://www.esri.com) version 7.2.1 coverages of the various elements of the geologic map. A Postscript file to plot the geologic map on a topographic base, and containing a Correlation of Map Units diagram
Authors
Douglas M. Morton, Kelly R. Bovard, Gregory Morton

Principal facts for gravity stations in the Dry Valley area, west-central Nevada and east-central California

In June, 2002, the U.S. Geological Survey (USGS) established 143 new gravity stations and 12 new rock samples in the Dry Valley area, 30 miles north of Reno, Nevada, on the California - Nevada border (see fig. 1). This study reports on gravity, magnetic, and physical property data intended for use in modeling the geometry and depth of Dry Valley for groundwater analysis. It is part of a larger stu
Authors
Elizabeth A. Sanger, David A. Ponce

Principal facts for 408 gravity stations in the vicinity of the Talkeetna Mountains, south-central Alaska

Gravity data were collected between 1999 and 2002 along transects in the Talkeetna Mountains of south-central Alaska as part of a geological and geophysical study of the framework geology of the region. The study area lies between 61° 30’ and 63° 45’ N. latitude and 145° and 151° W. longitude. This data set includes 408 gravity stations. These data, combined with the pre-existing 3,286 stations, b
Authors
Robert L. Morin, Jonathan M. G. Glen

Geochemistry of Permian rocks from the margins of the Phosphoria Basin: Lakeridge core, western Wyoming

The Permian Phosphoria Formation and interbedded units of the Park City Formation and Shedhorn Sandstone in western Wyoming represent deposition along a carbonate ramp at the eastern margin of the Phosphoria Basin, with portions of the Phosphoria units reflecting periods of upwelling and widespread phosphogenesis. Thickness-weighted slab-samples of these units were collected at a maximum interval
Authors
Robert B. Perkins, Brandie McIntyre, James R. Hein, David Z. Piper