Magnetometer measurement

Use of specialized instruments designed to measure the earth's magnetic field at a given location.
This category is also used for magnetic surveying and magnetometry.
Subtopics:
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Results listed by similarity [list alphabetically]
Aeromagnetic survey in Afghanistan

Digital files and descriptions of airborne and ground collected magnetic data in Afghanistan

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Aeromagnetic surveys in Yukon Flats Alaska

Flight-line data from the aeromagnetic survey

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Concepts and procedures required for successful reduction of tensor magnetic gradiometer data obtained from an unexploded ordnance detection demonstration at Yuma Proving Grounds, Arizona

Report discussing application of specialized instrumentation for detecting unexploded ordnance.

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Digital aeromagnetic data from the Sandoval-Santa Fe, Belen, and Cochiti airborne survey, covering areas in Rio Arriba, Sandoval, Santa Fe, Socorro, and Valencia Counties, New Mexico

Grids and flight-line data for three airborne geophysical surveys

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Gravity and magnetic data along a seismic refraction-reflection line in northwest Nevada and northeast California

Report with gravity station data in a spreadsheet

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Gravity and magnetic data in the vicinity of Virgin Valley, southern Nevada

Field measurements: 548 gravity and 6484 magnetic anomaly locations, data in fixed-format text files.

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Gravity and magnetic surveys over the Santa Rita fault system, southeastern Arizona

Gravity station data and hand-held magnetometer measurements with analysis and description of methodology

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Gravity, magnetic, and physical property data in the Smoke Creek Desert area, Northwest Nevada

Aerial, truck-towed, and hand-held magnetometer measurements, gravity station data, and sample density and magnetic susceptibility measures

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Ground magnetic data from within the Long Valley Caldera, California

Results of a detailed ground magnetic survey

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Ground-magnetic studies of the Amargosa desert region, California and Nevada

Hand-held magnetometer and sample magnetic susceptibility measurements used to help interpret complex patterns in the magnetic anomaly of this area.

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High-resolution aeromagnetic survey to image shallow faults, Poncha Springs and vicinity, Chaffee county, Colorado

Survey to map concealed faults that may be related to geothermal resources, such as hot springs; data given are surface locations of faults interpreted from the survey.

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Introduction to potential fields: magnetics

Explanation of the Earth's magnetic field and how USGS measures it. Defines magnetic anomaly, induced and remanent magnetism in rocks, and describes magnetic anomaly maps.

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Magnetic and gravity studies of Mono Lake, east-central, California

Magnetic and gravity investigations were undertaken in Mono Lake to study regional crustal structures and to aid in understanding the geologic framework, in particular regarding potential geothermal resources and volcanic hazards throughout Mono Basin.

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Magnetic map of the Irish Hills and surrounding areas, San Luis Obispo County, central California

Database includes new helicopter aeromagnetic data, point locations of the local maximum horizontal gradient derived from the aeromagnetic data, and physical property data.

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Magnetic properties of Quaternary deposits, Kenai Peninsula, Alaska -- Implications for aeromagnetic anomalies of Upper Cook Inlet

Magnetic susceptibility measurements with statistical analysis

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Magnetic susceptibility data for some exposed bedrock in the western conterminous United States

In-place rock magnetic susceptibility measurements for 746 sites are reported in a database. These data, collected from 1991 through 2012, are intended to help improve geophysical modeling of the Earth’s crust in the Western United States.

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Preliminary gravity and magnetic data of the Lake Pillsbury northern Coast Ranges, California

Report with excel tables showing principal facts (gravity observation data) and ground magnetic data.

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Airborne geophysical surveys conducted in western Nebraska, 2010: contractor reports and data

Three contractor reports and data files for an airborne electromagnetic survey describing data aquisition and processing. Processed geophysical data were inverted to produce resistivity depth sections along flight lines. Results are described herein.

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Digitized data from ground geophysical surveys in Afghanistan

Surveys originally carried out by Soviet geophysicists from 1972 through 1974 were digitized. Georeferencing was problematic as were some of the measured characteristics; we explain what we did and how we have understood these data.

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Geophysical data from the Spring and Snake Valleys area, Nevada and Utah

Existing and new gravity station data and magnetometer measurements used to infer geologic structure of this area

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Geophysical interpretations of the southern Española Basin, New Mexico, that contribute to understanding its hydrogeologic framework

Geophysical interpretation of the southern Española basin for the purpose of understanding the hydrogeologic framework including shallow faults, igneous units, and basement rocks

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