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Upper mantle temperatures illuminate the Iceland hotspot track and understanding of ice-Earth interactions in Greenland. [PDF]

open access: yesProc Natl Acad Sci U S A
Ajourlou P   +10 more
europepmc   +1 more source
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Connect Geophysical Data Interpretation and Geology Through Inversion for Anisotropic Magnetic Susceptibility

Geophysical Prospecting
ABSTRACTAnisotropic magnetic susceptibility, as an intrinsic property that records the strain history a rock formation experienced, has been widely used in structural geological studies based on direct specimen measurements. By comparing measurements of anisotropic parameters on drill samples from different locations, rock formations can be ...
Zhuo Liu, Yaoguo Li
exaly   +2 more sources

Potential field power spectrum inversion for scaling geology

Journal of Geophysical Research: Solid Earth, 1995
We propose a method for inverting the power spectrum of gravity and magnetic data. The method is demonstrated on aeromagnetic and borewell data from the German Continental Deep Drilling Project (KTB). Density and susceptibility distributions in the Earth's crust exhibit scaling behavior with power spectra proportional to ƒ−β, where f is the wavenumber ...
Maus, S., Dimri, V.
openaire   +2 more sources

Scaling geology and smooth solutions to inverse problems

SEG Technical Program Expanded Abstracts 1990, 1990
Geophysical inverse problems are often ill-posed and require regularization or smoothing to obtain a physically realistic solution. Methods which determine the amount of smoothing to incorporate into the inversion are generally subjective, either through the choice of mathematical technique or the interpreter’s prior beliefs.
M. Pilkington, J. P. Todoeschuck
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Building probabilistic quasi-geology models and mapping mineral resources using joint inversion and geology differentiation

2023
Multiple data sets are typically collected in an airborne survey. The standard way of interpreting multiple airborne data sets is to invert them separately to obtain a set of physical property models, e.g., a density contrast and a susceptibility model. There are two issues with this approach.
Sun, J., Wei, X.
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Inverse Problem Using Geology and Geophysics

Proceedings, 2013
Subsurface modeling is a key tool to describe, understand and quantify geological processes. As the subsurface is inaccessible and its observation is limited by acquisition methods, 3D models of the subsurface are usually built from the interpretation of sparse data with limited resolution.
openaire   +1 more source

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