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Unconsolidated deposits
Loosely bound sediments such as sand, gravel, and silt which tend to accumulate in low areas or valleys.
Subtopics:
Clay deposits (1 items)
Gravel deposits (3 items)
Sand deposits (2 items)

Sediment geochemistry (3 items)

Results 1 - 13 of 13 listed by similarity [list alphabetically]
Atlantic margin offshore sediments: cooperative database and GIS development website [New Window]
This site is designed to provide information on federal interagency and cooperative developments related to coastal sand and gravel resources and management issues along the Atlantic continental margin.
Geochemical sediment analysis procedures [New Window]
Manual of chemical sediment analysis using Coulometer and CHN Analyzers to measure carbon content, spectrometric analysis for biogenic silica, and radiochemistry to measure isotopes. Includes techniques,sample preparation, and safety procedures.
Multielement geochemical dataset of surficial materials for the northern Great Basin [New Window]
This report presents geochemical data generated during mineral and environmental assessments for the Bureau of Land Management in northern Nevada, northeastern California, southeastern Oregon, and southwestern Idaho, along with metadata and maps.
USGS East-coast sediment analysis: analysis, procedures, database and georeferenced displays [New Window]
Grain-size analysis of marine sediments of the U.S. eastern coast with sampling and lab methods, surficial sediment database in three formats (Excel, Dbase IV, ASCII), and use of geographic mapping tools for visualizing sediment data layers.
Unconsolidated aquifers of upstate New York [New Window]
Information on aquifers in upstate New York which consist of unconsolidated deposits of sand and gravel that occupy major river and stream valleys or lake plains. Links to aquifer maps at scales 1:24,000 or 1:250,000 and cooperative publications.
usSEABED (marine sediment and rock distribution) [New Window]
Data on sediment and rock distributions in the waters off the United States, shown using an internet map service with links to downloadable data files
An interpretation of the 1977 Airborne Electromagnetic (AEM) survey, Fort Huachuca vicinity, Cochise County, Arizona [New Window]
Complex report on the interpretation of aeromagnetic data to study hydrogeology of the San Pedro basin, Cochise County, Arizona determining geologic structure, basin fill and depth to water. Online version of a CD-ROM publication.
Aquifer basics [New Window]
Links to general information on water supply by aquifers based on rock types and to principal national aquifers by name.
Biological resource status and trends: Contaminants in soil [New Window]
Information concerning status and trends of biological resources, focusing on contaminants in soil
Deserts, geology and resources [New Window]
Online edition of booklet describing desert geology and mineral resources.
Laboratory manual for x-ray powder diffraction [New Window]
Report presents an abridged guide for laboratory technicians and students using X-ray powder diffraction methodology to study crystalline structure and to determine the mineralogy of finer grained sediments, especially clays.
Marine aggregate resources and processes [New Window]
Regional studies mapping the seafloor sedimentary character and assessing marine sand and gravel resources around the United States, to inform beach nourishment and coastal restoration, benthic habitat and sediment transport studies
USGS studies in the New York Bight [New Window]
Describes and provides links to USGS research in the location of the estuary and coast of Long Island, New York, to map the sea floor and to study sediment transport, contaminants, and sand resources and coastal vulnerability.


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