magnetotellurics

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magnetotellurics

[mag‚ned·ō·tə′lür·iks]
(geophysics)
A geophysical exploration technique that measures natural electromagnetic fields to image subsurface electrical resistivity, providing information about the earth's interior composition and structure since naturally occurring rocks and minerals exhibit a broad range of electrical resistivities.
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References in periodicals archive ?
Sarafian knew that both the experimental petrology and the magnetotelluric results had to be correct.
It was done via high-resolution apparent density imaging of Bouguer gravity anomalies within the study region, combined with long-period magnetotelluric (LMT) sounding results.
2006, Magnetotelluric resistivity modeling for 3D characterizing the geothermal reservoir in the western side of Mt.
Beneath the southern part of the Lhasa block and the Qiangtang terrane magnetotelluric studies indicate conductances of up to 20,000 S (Bai et al.
The magnetotelluric method in the exploration of sedimentary basins, Geophysics, 37, pp.
Quantec, a leading global provider of geoscience solutions, performed a Titan 24 Direct Current Resistivity (DC), Induced Polarization (IP) and Audio Magnetotelluric (AMT or MT) survey over the Tesoro Project located in southwestern Peru in the province of Arequipa.
Cary, NC) Sasaki Y (1989) Two-dimensional joint inversion of magnetotelluric and dipole-dipole resistivity data.
The instability and variations in telluric currents and magnetotelluric fields is one reason most geophysical methods choose instead to negate themor select specific frequencies.
The current 84 broad-band, photovoltaic-powered seismological and magnetotelluric (MT) observatories installed in Ontario, BC, Nunavut, and NWT are transmitting over a VSAT satellite network to London and Ottawa, which receive data and control the stations.
Such problems arise in many applications, including DC resistivity [37], magnetotelluric inversion [34], diffraction tomography [15], impedance tomography [10], oil reservoir simulation [16] and aquifer calibration [20].
The Hole: This target name derives from a pronounced controlled source audio-frequency magnetotelluric (CSAMT) resistivity low with approximate plan dimensions of 2,000 x 2,600 ft (610 x 790 m).