Mineralogical characterization of strata of the Meade Peak phosphatic shale member of the Permian Phosphoria Formation: Channel and individual rock samples of measured section J and their relationship to measured sections A and B, central part of Rasmussen Ridge, Caribou County, Idaho
A. C. Knudsen, M. E. Gunter, J. R. Herring, R. I. Grauch
2002, Open-File Report 2002-125
The Permian Phosphoria Formation of southeastern Idaho hosts one of the largest phosphate deposits in the world. Despite the economic significance of this Formation, the fine-grained nature of the phosphorite has discouraged detailed mineralogical characterization and quantification studies. Recently, selenium and other potentially toxic trace elements in mine wastes have...
AVIRIS data calibration information: Oquirrh and East Tintic mountains, Utah
Barnaby W. Rockwell, Roger N. Clark, K. Eric Livo, Robert R. McDougal, Raymond F. Kokaly
2002, Open-File Report 2002-200
The information contained herein pertains to the original reflectance calibration derived solely from the Saltair beach site on the shores of Great Salt Lake. The reflectance data derived from this calibration becomes markedly affected by residual absorptions due to atmospheric water vapor and carbon dioxide within short horizontal and vertical...
Modified Mercalli intensities (MMI) for large earthquakes near New Madrid, Missouri, in 1811-1812 and near Charleston, South Carolina, in 1886
W. H. Bakun, A. C. Johnston, M. G. Hopper
2002, Open-File Report 2002-184
Large historical earthquakes occurred in the eastern United States on December 16, 1811 near New Madrid, MO, on January 23, 1812 near New Madrid, MO, on February 7, 1812 near New Madrid, MO, and on September 1, 1886 near Charleston, SC. Modified Mercalli Intensity (MMI) assignments for these earthquakes were...
Distribution of high-temperature (>150 °C) geothermal resources in California
John H. Sass, Susan S. Priest
2002, Open-File Report 2002-132
California contains, by far, the greatest geothermal generating capacity in the United States, and with the possible exception of Alaska, the greatest potential for the development of additional resources. California has nearly 2/3 of the US geothermal electrical installed capacity of over 3,000 MW. Depending on assumptions regarding reservoir characteristics...
Moloka'i fieldtrip guidebook: Selected aspects of the geology, geography, and coral reefs of Moloka'i
Susan A. Cochran, Lucile M. Roberts, Kevin R. Evans
2002, Open-File Report 2002-158
This guidebook was compiled with the express purpose of describing the general geology of Moloka'i and those locations with significance to the U.S. Geological Survey's study of Moloka'i's coral reef, a part of the U.S. Department of Interior's 'Protecting the Nation's Reefs' program. The first portion of the guidebook describes the...
AVIRIS data calibration information: Wasatch Mountains and Park City region, Utah
Barnaby W. Rockwell, Roger N. Clark, K. Eric Livo, Robert R. McDougal, Raymond F. Kokaly
2002, Open-File Report 2002-199
This report contains information regarding the reflectance calibration of spectroscopic imagery acquired over the Wasatch Mountains and Park City region, Utah, by the Airborne Visible/Infrared Imaging Spectrometer (AVIRIS) sensor on August 5, 1998. This information was used by the USGS Spectroscopy Laboratory to calibrate the Park City AVIRIS imagery to...
Pick_sw: a program for interactive picking of S-wave data, version 2.00
Karl J. Ellefsen
2002, Open-File Report 2002-176
Program pick_sw is used to interactively pick travel times from S-wave data. It is assumed that the data are collected using 2 shots of opposite polarity at each shot location. The traces must be in either the SEG-2 format or the SU format. The program is written in the IDL...
Results of streamflow gain-loss studies in Texas, with emphasis on gains from and losses to major and minor aquifers, Texas, 2000
Raymond M. Slade Jr., J. Taylor Bentley, Dana Michaud
2002, Open-File Report 2002-68
Data for all 366 known streamflow gain-loss studies conducted by the U.S. Geological Survey in Texas were aggregated. A water-budget equation that includes discharges for main channels, tributaries, return flows, and withdrawals was used to document the channel gain or loss for each of 2,872 subreaches for the studies. The...
Landslides triggered by Hurricane Mitch in Tegucigalpa, Honduras
Edwin L. Harp, Mario Castaneda, Matthew D. Held
2002, Open-File Report 2002-33
The arrival of Hurricane Mitch in Honduras in the latter part of the 1998 hurricane season produced effects that were unprecedented in their widespread nature throughout Central America. After winds from the storm had blown down more than 70 percent of the conifer forest on the Bay Island of Guanaja,...
Multibeam mapping of the Los Angeles, California Margin
James V. Gardner, Peter Dartnell
2002, Open-File Report 2002-162
The Los Angeles, California Margin was mapped using multibeam echosounders during three separate surveys (Figure 1). In 1996, the USGS surveyed the shelf and slope in Santa Monica Bay from Pt. Dume to south of the Palos Verdes Peninsula. The mapping was accomplished using a Kongsberg Simrad EM1000 multibeam sonar...
GPR data processing computer software for the PC
Jeffrey E. Lucius, Michael H. Powers
2002, Open-File Report 2002-166
The computer software described in this report is designed for processing ground penetrating radar (GPR) data on Intel-compatible personal computers running the MS-DOS operating system or MS Windows 3.x/95/98/ME/2000. The earliest versions of these programs were written starting in 1990. At that time, commercially available GPR software did not meet...
Coalbed gas in Hungary; a preliminary report
E.R. Landis, T.J. Rohrbacher, C.E. Barker, Bela Fodor, Gizella Gombar
2002, Open-File Report 2001-473
No abstract available....
Implosion, earthquake, and explosion recordings from the 2000 Seattle Kingdome Seismic Hazards Investigation of Puget Sound (SHIPS), Washington
Thomas M. Brocher, Thomas L. Pratt, Craig S. Weaver, Catherine M. Snelson, Arthur D. Frankel
2002, Open-File Report 2002-123
This report describes seismic data obtained in Seattle, Washington, March 24-28, 2000, during a Seismic Hazards Investigation of Puget Sound (SHIPS). The seismic recordings obtained by this SHIPS experiment, nicknamed Kingdome SHIPS, were designed to (1) measure site responses throughout Seattle and to (2) help define the location of the...
Determination of methyl mercury by aqueous phase ethylation, followed by gas chromatographic separation with cold vapor atomic fluorescence detection
John F. De Wild, Mark L. Olsen, Shane D. Olund
2002, Open-File Report 2001-445
A recent national sampling of streams in the United States revealed low methyl mercury concentrations in surface waters. The resulting median and mean concentrations, calculated from 104 samples, were 0.06 nanograms per liter (ng/L) and 0.15 ng/L, respectively. This level of methyl mercury in surface water in the United States...
Investigation of an earthquake swarm near Trinidad, Colorado, August-October 2001
Mark E. Meremonte, John C. Lahr, Arthur D. Frankel, James W. Dewey, Anthony J. Crone, Dee E. Overturf, David L. Carver, W. Thomas Bice.
2002, Open-File Report 2002-73
A swarm of 12 widely felt earthquakes occurred between August 28 and September 21, 2001, in the area west of the town of Trinidad, Colorado. The earthquakes ranged in magnitude between 2.8 and 4.6, and the largest event occurred on September 5, eight days after the initial M 3.4...
San Antonio, Texas audio-magnetotelluric data
H. A. Pierce
2002, Open-File Report 2002-118
No abstract available....
Shear-wave velocity compilation for Northridge strong-motion recording sites
Roger D. Borcherdt, Thomas E. Fumal
2002, Open-File Report 2002-107
Borehole and other geotechnical information collected at the strong-motion recording sites of the Northridge earthquake of January 17, 1994 provide an important new basis for the characterization of local site conditions. These geotechnical data, when combined with analysis of strong-motion recordings, provide an empirical basis to evaluate site coefficients used...
An interpretation of the 1996 aeromagnetic data for the Santa Cruz basin, Tumacacori Mountains, Santa Rita Mountains, and Patagonia Mountains, south-central Arizona
Mark E. Gettings
2002, Open-File Report 2002-99
High resolution aeromagnetic survey data flown at 250 m above the terrain and 250 m line spacing over the Santa Cruz Valley and the surrounding Tumacacori, Patagonia, and Santa Rita Mountains has been interpreted by correlation of the magnetic anomaly field and various derivative maps with geologic maps. Measurements of...
Processing and interpretation of aeromagnetic data for the Santa Cruz Basin–Patagonia Mountains area, south-central Arizona
Jeffrey D. Phillips
2002, Open-File Report 2002-98
In 1997, the U.S. Geological Survey (USGS) contracted with Sial Geosciences Inc. for a detailed aeromagnetic survey of the Santa Cruz basin and Patagonia Mountains area of south-central Arizona. The contractor's Operational Report is included as an Appendix in this report. This section describes the data processing performed by the...
Principal facts for 463 gravity stations in the vicinity of Tangle Lakes, east-central Alaska
Robert L. Morin, Jonathan M. G. Glen
2002, Open-File Report 2002-96
During the summer of 2001, a gravity survey was conducted in the vicinity of Tangle Lakes, east-central Alaska. Measurements of 87 gravity stations were made. The Tangle Lakes area is located about 25 km west of Paxson and north of the Denali Highway. The gravity survey is located on the...
Mine and mineral occurrences of Afghanistan
G. J. Orris, J. D. Bliss
2002, Open-File Report 2002-110
This inventory of more than 1000 mines and mineral occurrences in Afghanistan was compiled from published literature and the files of project members of the National Industrial Minerals project of the U.S. Geological Survey. The compiled data have been edited for consistency and most duplicates have been deleted. The data...
Trace, minor and major element data for ground water near Fairbanks, Alaska, 1999-2000
S. H. Mueller, R.J. Goldfarb, G. L. Farmer, R. Sanzolone, M. Adams, P. M. Theodorakos, S.A. Richmond, R. Blaine McCleskey
2002, Open-File Report 2002-90
No abstract available....
Alaska resource data file: Norton Bay quadrangle
S.S. Dashevsky
2002, Open-File Report 2002-75
No abstract available....
Petrographic and Geochemical Characterization of Ore-Bearing Intrusions of the Noril'sk type, Siberia; With Discussion of Their Origin, Including Additional Datasets and Core Logs
Gerald K. Czamanske (compiler)
2002, Open-File Report 2002-74
The Noril'sk I, Talnakh, and Kharaelakh intrusions of the Noril'sk district host one of the outstanding metal concentrations in the world; contained Cu-Ni resources are comparable to the deposits at Sudbury, Ontario and the platinum group element (PGE) resource is second only to that of the Bushveld Complex. Our opportunity...
Modified Mercalli Intensities (MMI) for some earthquakes in eastern North America (ENA) and empirical MMI site corrections for towns in ENA
W. H. Bakun, A. C. Johnston, M. G. Hopper
2002, Open-File Report 2002-109
Modified Mercalli Intensity (MMI) assignments for earthquakes in eastern North America (ENA) were used by Bakun et al. (submitted) to develop a model for eastern North America for estimating the location and moment magnitude M of earthquakes from MMI observations. MMI assignments for most of the earthquakes considered by Bakun...
