Mount Adams Electromagnetic and Magnetic Data

Publication Date

2017

Start Date

2002-05-08

End Date

2002-05-15

Chase, B.F. , Finn, C.A., and Deszcz-Pan, Maria, 2017, Mount Baker and Mount Adams Airborne Magnetic and Electromagnetic Survey Data, August 2002, Washington, USA: U.S. Geological Survey data release, https://doi.org/10.5066/F7VT1QJW.

The purpose of the survey was to map the conductive and magnetic properties of the slopes and peaks of Mount Adams, WA. This was accomplished by using a RESOLVE multi-coil, multi-frequency electromagnetic system supplemented by a high sensitivity cesium magnetometer. A GPS electronic navigation system ensured accurate positioning of the geophysical data. The RESOLVE system comprises of five coplanar coil pairs and one coaxial coil pair with a frequency spread of 388 Hz to 106 400 Hz. This system provided optimum definition of the conductive properties of the Earth’s layering in the top 100 m.​ Total coverage of the survey blocks amounted to 200 kilometers over 2 survey blocks. The survey was flown from May 8 to 15, 2002. The blocks were flown in an azimuthal direction of 90°. Two tie lines were flown over each block perpendicular to the flight lines. The purpose of this data release is to make this data publicly available.

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