Bedrock geologic map of the Montpelier and Barre West quadrangles, Washington and Orange Counties, Vermont
Gregory J. Walsh, Jonathan Kim, Marjorie H. Gale, Sarah M. King
2010, Scientific Investigations Map 3111
The bedrock geology of the Montpelier and Barre West quadrangles consists of Silurian and Devonian metasedimentary rocks of the Connecticut Valley-Gaspe synclinorium (CVGS) and metasedimentary, metavolcanic, and metaintrusive rocks of the Cambrian and Ordovician Moretown and Cram Hill Formations. Devonian granite dikes occur throughout the two quadrangles but are more...
Photographic documentation of the evolution of Crater Glacier, Mount St. Helens, Washington, September 2006–November 2009
Joseph S. Walder, Steven P. Schilling, David R. Sherrod, James W. Vallance
2010, Open-File Report 2010-1141
Lava-dome emplacement through a glacier was observed for the first time during the 2004-08 eruption of Mount St. Helens and documented using photography, photogrammetry, and geodetic measurements. Previously published reports present such documentation through September 2006; this report extends that documentation until November 2009....
Co-Cu-Au deposits in metasedimentary rocks-A preliminary report
J. F. Slack, J. D. Causey, R. G. Eppinger, J. E. Gray, C. A. Johnson, K.I. Lund, K. J. Schulz
2010, Open-File Report 2010-1212
A compilation of data on global Co-Cu-Au deposits in metasedimentary rocks refines previous descriptive models for their occurrence and provides important information for mineral resource assessments and exploration programs. This compilation forms the basis for a new classification of such deposits, which is speculative at this early stage of research....
PAGER--Rapid assessment of an earthquakes impact
D.J. Wald, K. Jaiswal, K. D. Marano, D. Bausch, M. Hearne
2010, Fact Sheet 2010-3036
PAGER (Prompt Assessment of Global Earthquakes for Response) is an automated system that produces content concerning the impact of significant earthquakes around the world, informing emergency responders, government and aid agencies, and the media of the scope of the potential disaster. PAGER rapidly assesses earthquake impacts by comparing the population...
Effects of the 2008 high-flow experiment on water quality in Lake Powell and Glen Canyon Dam releases, Utah-Arizona
William S. Vernieu
2010, Open-File Report 2010-1159
Under the direction of the Secretary of the Interior, the U.S. Geological Survey‘s Grand Canyon Monitoring and Research Center (GCMRC) conducted a high-flow experiment (HFE) at Glen Canyon Dam (GCD) from March 4 through March 9, 2008. This experiment was conducted under enriched sediment conditions in the Colorado River within...
Pollen-based continental climate reconstructions at 6 and 21 ka: A global synthesis
P. J. Bartlein, S. P. Harrison, Sandra Brewer, S. Connor, B.A.S. Davis, K. Gajewski, J. Guiot, T. I. Harrison-Prentice, A. Henderson, O. Peyron, I. C. Prentice, M. Scholze, H. Seppa, B. Shuman, S. Sugita, R.S. Thompson, A.E. Viau, J. Williams, H. Wu
2010, Climate Dynamics (37) 775-802
Subfossil pollen and plant macrofossil data derived from 14C-dated sediment profiles can provide quantitative information on glacial and interglacial climates. The data allow climate variables related to growing-season warmth, winter cold, and plant-available moisture to be reconstructed. Continental-scale reconstructions have been made for the mid-Holocene (MH, around 6 ka) and Last Glacial...
Status and understanding of groundwater quality in the northern San Joaquin Basin, 2005: California GAMA Priority Basin Project
George L. V Bennett V, Miranda S. Fram, Kenneth Belitz, Bryant C. Jurgens
2010, Scientific Investigations Report 2010-5175
Groundwater quality in the 2,079 square mile Northern San Joaquin Basin (Northern San Joaquin) study unit was investigated from December 2004 through February 2005 as part of the Priority Basin Project of the Groundwater Ambient Monitoring and Assessment (GAMA) Program. The GAMA Priority Basin Project was developed in response to...
Database for the geologic map of the Bend 30- x 60-minute quadrangle, central Oregon
Richard D. Koch, David W. Ramsey, David R. Sherrod, Edward M. Taylor, Mark L. Ferns, William E. Scott, Richard M. Conrey, Gary A. Smith
2010, Data Series 303
The Bend 30- x 60-minute quadrangle has been the locus of volcanism, faulting, and sedimentation for the past 35 million years. It encompasses parts of the Cascade Range and Blue Mountain geomorphic provinces, stretching from snowclad Quaternary stratovolcanoes on the west to bare rocky hills and sparsely forested juniper plains...
Otolith analysis of pre-restoration habitat use by Chinook salmon in the delta-flats and nearshore regions of the Nisqually River Estuary
Angie Lind-Null, Kim Larsen
2010, Open-File Report 2010-1238
The Nisqually Fall Chinook population is one of 27 salmon stocks in the Puget Sound (Washington) evolutionarily significant unit listed as threatened under the federal Endangered Species Act (ESA). Extensive restoration of the Nisqually River delta ecosystem is currently taking place to assist in recovery of the stock as juvenile...
Groundwater resources of Mosteiros basin, island of Fogo, Cape Verde, West Africa
Victor M. Heilweil, Stephen B. Gingerich, Niel Plummer, Ingrid M. Verstraeten
2010, Fact Sheet 2010-3069
Groundwater resources in Cape Verde provide water for agriculture, industry, and human consumption. These resources are limited and susceptible to contamination. Additional groundwater resources are needed for continued agricultural development, particularly during times of drought, but increased use and (or) climatic change may have adverse effects on the quantity and...
Using selective drainage methods to hydrologically-condition and hydrologically-enforce lidar-derived surface flow
Sandra K. Poppenga, Bruce Worstell, Jason M. Stoker, Susan Greenlee
2010, Conference Paper, Remote sensing and hydrology
The methods to extract surface flow from coarse elevation data are well documented; however, the methods to extract surface flow from high-resolution, high-vertical accuracy digital elevation models (DEMs) derived from light detection and ranging (lidar) are less documented, but yet more complex. As lidar data are increasingly used to generate...
Geologic map of the Artemis Chasma quadrangle (V-48), Venus
Roger A. Bannister, Vicki L. Hansen
2010, Scientific Investigations Map 3099
Artemis, named for the Greek goddess of the hunt, represents an approximately 2,600 km diameter circular feature on Venus, and it may represent the largest circular structure in our solar system. Artemis, which lies between the rugged highlands of Aphrodite Terra to the north and relatively smooth lowlands to the...
Groundwater quality in the Northern San Joaquin Valley, California
George L. V Bennett V, Kenneth Belitz
2010, Fact Sheet 2010-3079
Groundwater provides more than 40 percent of California's drinking water. To protect this vital resource, the State of California created the Groundwater Ambient Monitoring and Assessment (GAMA) Program. The Priority Basin Project of the GAMA Program provides a comprehensive assessment of the State's groundwater quality and increases public access to...
Stratiform chromite deposit model
Ruth F. Schulte, Ryan D. Taylor, Nadine M. Piatak, Robert R. Seal II
2010, Open-File Report 2010-1232
Stratiform chromite deposits are of great economic importance, yet their origin and evolution remain highly debated. Layered igneous intrusions such as the Bushveld, Great Dyke, Kemi, and Stillwater Complexes, provide opportunities for studying magmatic differentiation processes and assimilation within the crust, as well as related ore-deposit formation. Chromite-rich seams within...
Groundwater resources of Ribeira Fajã basin, island of São Nicolau, Cape Verde, West Africa
Victor M. Heilweil, Stephen B. Gingerich, Niel Plummer, Ingrid M. Verstraeten
2010, Fact Sheet 2010-3071
Groundwater resources in Cape Verde provide water for agriculture, industry, and human consumption. These resources are limited and susceptible to contamination. Additional groundwater resources are needed for continued agricultural development, particularly during times of drought, but increased use and (or) climatic change may have adverse effects on the quantity and...
Groundwater resources of Ribeira Paúl basin, island of Santo Antão, Cape Verde, West Africa
Victor M. Heilweil, Stephen B. Gingerich, Ingrid M. Verstraeten
2010, Fact Sheet 2010-3070
Groundwater resources in Cape Verde provide water for agriculture, industry, and human consumption. These resources are limited and susceptible to contamination. Additional groundwater resources are needed for continued agricultural development, particularly during times of drought, but increased use and (or) climatic change may have adverse effects on the quantity and...
Geodatabase design and characteristics of geologic information for a geodatabase of selected wells penetrating the Austin Group in central Bexar County, Texas, 2010
Diana E. Pedraza, Sachin D. Shah
2010, Data Series 522
The U.S. Geological Survey, in cooperation with the San Antonio Water System, developed a geodatabase of geologic and hydrogeologic information for selected wells penetrating the Austin Group in central Bexar County, Texas. The Austin Group functions as an upper confining unit to the Edwards aquifer and is the thickest and...
Assessing survival of Mid-Columbia River released juvenile salmonids at McNary Dam, Washington, 2008-09
Scott D. Evans, Christopher E. Walker, Scott J. Brewer, Noah S. Adams
2010, Open-File Report 2010-1237
Few studies have evaluated survival of juvenile salmon over long river reaches in the Columbia River and information regarding the survival of sockeye salmon at lower Columbia River dams is lacking. To address these information gaps, the U.S. Geological Survey was contracted by the U.S. Army Corps of Engineers...
Efficacy of a commercial canarypox vaccine for protecting Hawai'i 'Amakihi from field isolates of avipoxvirus
Carter T. Atkinson, Kimberly C. Wiegand, Dennis Triglia, Susan I. Jarvi
2010, Technical Report HCSU-019
At least three variants of avian pox virus are present in Hawai’i - Fowlpox from domestic poultry and a group of genetically distinct viruses that cluster within two clades (Pox Variant 1 and Pox Variant 2) that are most similar to Canarypox based on DNA sequence of the virus 4b...
U.S. Geological Survey Rewarding Environment Culture Study, 2002
Janis C. Nash, Carol A. Paradise-Tornow, Vicki K. Gray, Sarah P. Griffin-Bemis, Pamela R. Agnew, Nicole M. Bouchet
2010, Open-File Report 2006-1192
In its 2001 review of the U.S. Geological Survey (USGS), the National Research Council (NRC, p. 126) cautioned that ?high-quality personnel are essential for developing high-quality science information? and urged the USGS to ?devote substantial efforts to recruiting and retaining excellent staff.? Recognizing the importance of the NRC recommendation, the USGS...
USGS EDMAP Program-Training the Next Generation of Geologic Mappers
National Cooperative Geologic Mapping Program
2010, Fact Sheet 2010-3088
EDMAP is an interactive and meaningful program for university students to gain experience and knowledge in geologic mapping while contributing to national efforts to map the geology of the United States. It is a matching-funds grant program with universities and is one of the three components of the congressionally mandated...
Megascopic lithologic studies of coals in the Powder River basin in Wyoming and in adjacent basins in Wyoming and North Dakota
Michael H. Trippi, Gary D. Stricker, Romeo M. Flores, Ronald W. Stanton, Lora A. Chiehowsky, Timothy A. Moore
2010, Open-File Report 2010-1114
Between 1999 and 2007, the U.S. Geological Survey (USGS) investigated coalbed methane (CBM) resources in the Wyoming portion of the Powder River Basin. The study also included the CBM resources in the North Dakota portion of the Williston Basin of North Dakota and the Wyoming portion of the Green River...
USGS exploration geochemistry studies at the Pebble porphyry Cu-Au-Mo deposit, Alaska— Pdf of presentation
Robert G. Eppinger, Karen D. Kelley, David L. Fey, Stuart A. Giles, Burke J. Minsley, Steven M. Smith
2010, Open-File Report 2010-1225
From 2007 through 2010, scientists in the U.S. Geological Survey (USGS) have been conducting exploration-oriented geochemical and geophysical studies in the region surrounding the giant Pebble porphyry Cu-Au-Mo deposit in southwestern Alaska. The Cretaceous Pebble deposit is concealed under tundra, glacial till, and Tertiary cover rocks, and is undisturbed except...
Breakpoint analysis and relations of nutrient and turbidity stressor variables to macroinvertebrate integrity in streams in the Crawford-Mammoth Cave Uplands Ecoregion, Kentucky, for the development of nutrient criteria
Angela S. Crain, Brian J. Caskey
2010, Scientific Investigations Report 2010-5164
To assist Kentucky in refining numeric nutrient criteria in the Pennyroyal Bioregion, the U.S. Geological Survey and the Kentucky Division of Water collected and analyzed water chemistry, turbidity, and biological-community data from 22 streams throughout the Crawford-Mammoth Cave Upland ecoregion (U.S. Environmental Protection Agency Level IV Ecoregion, 71a) within the...
Permeability profiles in granular aquifers using flowmeters in direct-push wells
D. Paradis, R. Lefebvre, R. H. Morin, E. Gloaguen
2010, Ground Water (49) 534-547
Numerical hydrogeological models should ideally be based on the spatial distribution of hydraulic conductivity (K), a property rarely defined on the basis of sufficient data due to the lack of efficient characterization methods. Electromagnetic borehole flowmeter measurements during pumping in uncased wells can effectively provide a continuous vertical distribution of K in...
