Publications
Publications from the staff of the Geology, Minerals, Energy, and Geophysics Science Center
Filter Total Items: 2493
Seasonal variation in metal concentrations in a stream affected by acid mine drainage, St. Kevin Gulch, Colorado Seasonal variation in metal concentrations in a stream affected by acid mine drainage, St. Kevin Gulch, Colorado
Mining of mineral deposits in the Rocky Mountains has left a legacy of acidic inflows to otherwise pristine upland watersheds. Since 1986, the U.S. Geological Survey has studied physical, chemical, and biological processes that affect the transport and transformation of metals in St. Kevin Gulch, an acidic, metal-rich stream near Leadville, Colorado. Well-known chemical processes have...
Authors
B. A. Kimball
Map showing principal debris-flow source areas in the San Francisco Bay region, California Map showing principal debris-flow source areas in the San Francisco Bay region, California
No abstract available.
Authors
Stephen D. Ellen, Robert K. Mark, Gerald F. Wieczorek, Carl M. Wentworth, David W. Ramsey, Thomas E. May
By
Geology, Energy, and Minerals Mission Area, Natural Hazards Mission Area, Energy Resources Program, Landslide Hazards Program, Mineral Resources Program, National Laboratories Program, Science and Decisions Center, Geologic Hazards Science Center, Geology, Minerals, Energy, and Geophysics Science Center
Preliminary geologic map of the Moorpark 7.5' quadrangle, Southern California: A digital database Preliminary geologic map of the Moorpark 7.5' quadrangle, Southern California: A digital database
This Open-File report is a digital geologic map database. This pamphlet serves to introduce and describe the digital data. There is no paper map included in the Open-File report. This digital map database is compiled from previously published sources combined with some new mapping and modifications in nomenclature. The geologic map database delineates map units that are identified by...
Authors
R.F. Yerkes, R. H. Campbell
Maps showing geology, oil and gas fields and geological provinces of Africa Maps showing geology, oil and gas fields and geological provinces of Africa
The CD-ROM was compiled according to the methodology developed by the U.S. Geological Survey's World Energy Project . The goal of the project was to assess the undiscovered, technically recoverable oil and gas resources of the world and report these results by the year 2000. A worldwide series of geologic maps, published on CD-ROMs, was released by the U.S. Geological Survey's World...
Authors
F.M. Persits, Thomas S. Ahlbrandt, Michele L. Tuttle, Ronald R. Charpentier, Michael E. Brownfield, Kenneth I. Takahashi
Preliminary geologic map of the Hollywood 7.5' quadrangle, Southern California: A digital database Preliminary geologic map of the Hollywood 7.5' quadrangle, Southern California: A digital database
This Open-File report is a digital geologic map database. This pamphlet serves to introduce and describe the digital data. There is no paper map included in the Open-File report. This digital map database is compiled from previously published sources combined with some new mapping and modifications in nomenclature. The geologic map database delineates map units that are identified by...
Authors
R. F. Yerkes, S. E. Graham
Use of a neural network to integrate geoscience information in the classification of mineral deposits and occurrences Use of a neural network to integrate geoscience information in the classification of mineral deposits and occurrences
No abstract available.
Authors
Donald A. Singer, Ryoichi Kouda
Geologic map of Santa Cruz County, California: A digital database Geologic map of Santa Cruz County, California: A digital database
No abstract available.
Authors
S. Graham, C. Wentworth, D. Knifong, R. Graymer, J. Blissenbach
Summary distribution of slides and earth flows in the San Francisco Bay region, California Summary distribution of slides and earth flows in the San Francisco Bay region, California
No abstract available.
Authors
Carl M. Wentworth, Scott E. Graham, Richard J. Pike, Gregg S. Beukelman, David W. Ramsey, Andrew D. Barron
Geology of Point Reyes National Seashore and vicinity, California: A digital database Geology of Point Reyes National Seashore and vicinity, California: A digital database
This Open-File report is a digital geologic map database. This pamphlet serves to introduce and describe the digital data. There is no paper map included in the Open-File report. The report does include, however, a PostScript plot file containing an image of the geologic map sheet with explanation, as well as the accompanying text describing the geology of the area. For those interested...
Authors
Jospeh C. Clark, Earl E. Brabb
Preliminary geologic map of the Santa Susana 7.5' quadrangle, southern California: A digital database Preliminary geologic map of the Santa Susana 7.5' quadrangle, southern California: A digital database
This Open-File report is a digital geologic map database. This pamphlet serves to introduce and describe the digital data. There is no paper map included in the Open-File report. This digital map database is compiled from previously published sources combined with some new mapping and modifications in nomenclature. The geologic map database delineates map units that are identified by...
Authors
R.F. Yerkes, R. H. Campbell
Map showing geology, oil and gas fields, and geologic provinces of Europe including Turkey Map showing geology, oil and gas fields, and geologic provinces of Europe including Turkey
Introduction This digitally compiled map includes geology, geologic provinces, and oil and gas fields of Europe including Turkey. The maps are part of a worldwide series of maps on CD-ROM released by the U.S. Geological Survey's World Energy Project. The goal of the project is to assess the undiscovered, technically recoverable oil and gas resources of the world. For data management...
Authors
Mark J. Pawlewicz, Douglas W. Steinshouer, Donald L. Gautier