Results 111 to 120 of about 182 (156)

Greater India Basin hypothesis and a two-stage Cenozoic collision between India and Asia. [PDF]

Proc Natl Acad Sci U S A, 2012
van Hinsbergen DJ, Lippert PC, Dupont-Nivet G, McQuarrie N, Doubrovine PV, Spakman W, Torsvik TH.   +6 more
europepmc   +1 more source

Cenozoic Rotation History of Borneo and Sundaland, SE Asia Revealed by Paleomagnetism, Seismic Tomography, and Kinematic Reconstruction. [PDF]

Tectonics, 2018
Advokaat EL, Marshall NT, Li S, Spakman W, Krijgsman W, van Hinsbergen DJJ.   +5 more
europepmc   +1 more source

Paleosecular variation of lavas from the Marianas in the Western Pacific Ocean.

Journal of geomagnetism and geoelectricity, 1975
openaire   +2 more sources

The Cretaceous superchron geodynamo: observations near the tangent cylinder. [PDF]

Proc Natl Acad Sci U S A, 2002
Tarduno JA, Cottrell RD, Smirnov AV.
europepmc   +1 more source

Magnetostratigraphic resolution of the late Ediacaran paleomagnetic enigma

Pierce J, Evans D, Polomski D, Youbi N, Mediany M, Ounar J, Oukhro R, Boumehdi MA, Strauss J, Keller CB, Gärtner A, Ovtcharova M, Wotzlaw J, Linnemann U.   +13 more
europepmc   +1 more source

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Anisotropic paleosecular variation models: implications for geomagnetic field observables

Physics of the Earth and Planetary Interiors, 1999
Abstract We present a family of statistical models for paleosecular variation (PSV) of the geomagnetic field that are compatible with paleodirectional and paleointensity variations in lava flows sampling the last 5 Ma, and explore what paleomagnetic observables might be used to discriminate among the various family members. We distinguish statistical
Catherine L. Johnson, Catherine G. Constable   +1 more
exaly   +2 more sources

Quantifying paleosecular variation: Insights from numerical dynamo simulations

Earth and Planetary Science Letters, 2013
Abstract Thanks to advances in dynamo modelling, it is now possible to produce numerical sequences of magnetic polarity reversals over periods of time equivalent to several tens of millions of years. Using a set of five numerical models integrated over the equivalent of 40–50 Myr, we generated synthetic data analogous to paleomagnetic data derived ...
Stuart A Gilder, Florian Lhuillier
exaly   +2 more sources

Paleosecular variations from lake sediments

Reviews of Geophysics, 1979
We have known since at least the 16th century that the Earth's magnetic field varies with time as well as geographic position. This secular variation (SV), which has been monitored instrumentally at various locations since that time, is fundamentally important to a complete understanding of the geomagnetic field and its origin.
S. P. Lund, S. K. Banerjee
openaire   +1 more source

Shape analysis of paleosecular variation data

Journal of Geophysical Research, 1974
Shape analysis of paleosecular variation (PSV) data, if it is properly used, can determine the statistical character of a PSV data set in many cases. Existing statistical techniques, such as the χ2 goodness of fit test, the ‘dipole moment,’ and eigenvalue methods, are reviewed with this point in mind.
Czang-Go Baag, C. E. Helsley
openaire   +1 more source

Paleosecular variation of field intensities and dipole moments

Earth and Planetary Science Letters, 1996
Abstract In order to use paleointensity data for paleosecular variation studies, we first obtain analytical for the intensity of the geomagnetic field and the corresponding dipole moment in terms of Gauss coefficients. Next, statistical parameters for these quantities are derived under the assumption that Gauss coefficients vary randomly with time ...
Masaru Kono, Osamu Hiroi
openaire   +1 more source