Results 1 to 10 of about 8,020,576 (226)

Delineation of long-wavelength magnetic anomalies over central India by rectangular harmonic analysis [PDF]

open access: yesJournal of Earth System Science, 1984
The method of rectangular harmonic analysis is applied to the geomagnetic field data from central India to isolate long wavelength magnetic anomalies associated with largescale crustal structures. The long-wavelength anomalies have accounted for approximately 20 % of the spatial variability of the residual magnetic field over the International ...
B. R. Arora, S. Y. Waghmare
exaly   +4 more sources

Preliminary geological interpretation of long-wavelength magnetic anomalies over China and surrounding regions

open access: yesEarth and Planetary Physics
Long-wavelength (>500 km) magnetic anomalies originating in the lithosphere were first found in satellite magnetic surveys. Compared to the striking magnetic anomalies around the world, the long-wavelength magnetic anomalies in China and surrounding ...
Jie Wang   +6 more
doaj   +4 more sources

Origin of Long‐Wavelength Magnetic Anomalies at Subduction Zones [PDF]

open access: yesJournal of Geophysical Research: Solid Earth, 2019
AbstractMost subduction zones have associated long‐wavelength anomalies in the lithospheric magnetic field observed at satellite altitude. We model the 13 subduction zones defined by seismicity and seismic tomography using vertically integrated magnetizations that are increasing, level, or decreasing away from the trench.
Simon E. Williams, David Gubbins
openaire   +3 more sources

Long-wavelength magnetic anomalies as a guide to the deep crustal composition and structure of eastern Australia [PDF]

open access: yesASEG Extended Abstracts, 2013
Aeromagnetic data over eastern Australia reveal a pattern of domains defined by systematic regional highs and lows, emphasised by low-pass filtering, over which are superimposed shorter (
Robert J Musgrave
openaire   +3 more sources

Lithospheric long-wavelength magnetic anomalies and their geological origins: A review

open access: yes地球与行星物理论评
At the altitude of low-Earth-orbiting satellites, most details of lithospheric magnetic anomalies observed near surface are attenuated, and only slowly decaying long-wavelength magnetic anomalies can be detected.
Jie Wang   +6 more
doaj   +2 more sources

Can remanent magnetization in the deep crust contribute to long wavelength magnetic anomalies?

open access: yesGeophysical Research Letters, 1989
Long wavelength aeromagnetic anomalies require sources in the deep crust that are far more magnetic than the measured induced magnetization of lower crustal rocks. Several scientists have suggested that remanence in the deep crust may provide the missing magnetization. This is not likely, either through stable and/or viscous remanence.
Peter N Shive
openaire   +3 more sources

The potential contribution to long wavelength magnetic anomalies from the lithospheric mantle

open access: yesPhysics of the Earth and Planetary Interiors, 2019
Abstract Long-wavelength magnetic anomalies (LWMA) are broad scale variations of the magnetic field that are usually observed at high altitudes with amplitudes ranging up to about 20 nT. The source of these anomalies has typically been assumed to reside within the crust with negligible contributions from the lithospheric mantle.
Chijioke M. Idoko   +3 more
exaly   +5 more sources

Anomalous spin–lattice coupling in a 2D antiferromagnetic semiconductor revealed by surface acoustic Rayleigh waves [PDF]

open access: yesNature Communications
Magnetic order in van der Waals magnets can strongly influence their lattice dynamics, yet how it affects local and macroscopic manifestations of spin-phonon coupling remains unclear.
Zahra Ebrahim Nataj   +8 more
doaj   +2 more sources

Crustal xenolith magnetic properties and long wavelength anomaly source requirements

open access: yesGeophysical Research Letters, 1982
Granulite xenoliths, probable components of the lower continental crust, are a primary source of information about the magnetization of the lower crust. Magnetization values for lower crustal xenoliths from three tectonic settings (converging plate margin, rift valley, and continental intraplate region) demonstrate that metabasic rocks in the granulite
Peter Wasilewski, M. A. Mayhew
openaire   +3 more sources

3D inversion of the Sichuan Basin magnetic anomaly in South China and its geological significance

open access: yesEarth, Planets and Space, 2020
The Sichuan Basin magnetic anomaly is the most striking regional aeromagnetic anomaly in South China. It is characterized by a continuous large-scale linear magnetic anomaly and contains long-wavelength constituents which could still be detected on ...
Jie Wang   +6 more
doaj   +1 more source

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