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Electromagnetic surveying
Method of determining the shape and constituency of near-surface earth structures by variations of responses of the materials to electrical and magnetic fields. Use for ground-based methods of imaging.
This category is also used for magnetotelluric sounding.
Subtopics:
(none)

Magnetic surveying (5 items)
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Results 1 - 16 of 16 listed by similarity [list alphabetically]
PDF Time-domain electromagnetic soundings near Antioch, Illinois,and Berrien Springs, Michigan [New Window]
Study to help constrain 3-dimensional geologic maps of surficial materials in these glacial deposits
Transient electromagnetic soundings near Great Sand Dunes National Park and Preserve, San Luis Valley, Colorado (2006 field season) [New Window]
Geophysical surveying data used to infer subsurface configuration of impermeable layers in this Pliocene-Pleistocene lake bed.
Aerial magnetic, electromagnetic, and gamma-ray survey, Berrien county, Michigan [New Window]
Maps, grids, and flight-line databases of a detailed aerial survey and maps and grids of satellite data
An interpretation of the 1997 airborne electromagnetic (AEM) survey, Fort Huachuca vicinity, Cochise County, Arizona [New Window]
Grids and flight-line magnetic and conductivity data
Helicopter electromagnetic and magnetic geophysical survey data, Oakland, Ashland, and Firth study areas, eastern Nebraska, March 2007 [New Window]
Electrical resistivity depicted in georeferenced grids and maps, representing different approximate depths of investigation for each area. The range of subsurface investigation is comparable to the depth of shallow aquifers.
Helicopter electromagnetic and magnetic survey data and maps, northern Bexar County, Texas [New Window]
Grids, images, and flight-line paths for magnetic and resistivity surveys
Helicopter electromagnetic and magnetic survey data and maps, Seco Creek area, Medina and Uvalde Counties, Texas [New Window]
Airborne geophysical data and a summary of the hydrologic application.
Helicopter electromagnetic data from Everglades National Park and surrounding areas, Florida, collected 9-14 December 1994 [New Window]
Survey to determine location of the freshwater-saltwater boundary in a coastal area.
High resolution, low altitude aeromagnetic and electromagnetic survey of Mount Rainier [New Window]
Flight-line and gridded data, with description of methodology and interpretation
Audio-magnetotelluric data from the Culpeper basin, Loudoun, Fauquier, Fairfax, Prince William, Culpeper, and Orange counties, Virginia [New Window]
Schlumberger DC resistivity soundings in the Boulder watershed, Jefferson and Lewis and Clark counties, Montana [New Window]
DC resistivity soundings were made to map subsurface lithologic, structural and hydrologic features important in controlling possible ground water contamination from mining activities and for design of remediation efforts.
South Carolina aeromagnetic and gravity maps and data [New Window]
Aeromagnetic surveys of South Carolina, merged to form seamless grids across the state. Gravity anomaly data are provided as well. Data provided in a variety of formats.
Field demonstrations of five geophysical methods that could be used to characterize deposits of alluvial aggregate [New Window]
Data from seismic reflection and refraction, electromagnetic sounding, and resistivity profiling in a study area in Indiana. Exact location is not provided.
Ground geophysical study of the Buckeye Mine Tailings, Boulder watershed, Montana [New Window]
Electromagnetic, resistivity, and magnetic surveys used to determine the extent of contamination in an abandoned mine area.
Results of electrical resistivity data collected near the town of Guernsey, Platte county, Wyoming [New Window]
A study to investigate subsurface geologic conditions as they relate to ground-water flow in an abandoned landfill.
Three-dimensional geologic model of complex fault structures in the upper Seco Creek area, Medina and Uvalde counties, south-central Texas [New Window]
Data sets include drill-hole from core and geophysical logs, surface geology and elevation, and helicopter electromagnetic survey data. The model may be explored and .jpg or .tiff images or using specialized software provided.

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