Rock magnetism and the interpretation of anisotropy of magnetic susceptibility

P Rochette, M Jackson, C Aubourg - Reviews of Geophysics, 1992 - Wiley Online Library
The conventional rules, derived from empirical and theoretical considerations, for the
interpretation of anisotropy of magnetic susceptibility (AMS) in terms of microstructure and …

Magma flow in dyke swarms of the Karoo LIP: Implications for the mantle plume hypothesis

WW Hastie, MK Watkeys, C Aubourg - Gondwana Research, 2014 - Elsevier
Abstract The~ 183 Ma old Karoo Large Igneous Province extends across southern Africa
and is related to magmatism in Antarctica (west Dronning Maud Land and Transantarctic …

[图书][B] Magnetic anisotropy of rocks

D Tarling, F Hrouda - 1993 - books.google.com
This book provides the background, physical instrumentation and geological aspects behind
any study of the magnetic anisotropy of a rock in a comprehensive and practical way. After …

Magnetic anisotropy of rocks and its application in geology and geophysics

F Hrouda - Geophysical surveys, 1982 - Springer
Magnetic anisotropy in sedimentary rocks is controlled by the processes of deposition and
compaction, in volcanic rocks by the lava flow and in metamorphic and plutonic rocks by …

Magma flow directions in dikes of the Koolau Complex, Oahu, determined from magnetic fabric studies

MD Knight, GPL Walker - Journal of Geophysical Research …, 1988 - Wiley Online Library
We compared the magnetic fabric with the macroscopic surface lineation direction
(previously assumed to be parallel with magma flow direction) for 35 dikes of the Koolau …

Distribution anisotropy: the cause of AMS in igneous rocks?

RB Hargraves, D Johnson… - Geophysical Research …, 1991 - Wiley Online Library
Understanding of AMS in pristine basic igneous rocks in terms of flow‐orientation of
ellipsoidal magnetite grains is thwarted by the fact that these grains (1) typically are …

Emplacement of dikes, sills and crustal magma chambers at divergent plate boundaries

A Gudmundsson - Tectonophysics, 1990 - Elsevier
A model of dike emplacement at divergent plate boundaries is developed which predicts that
below the uppermost 1–3 km of the oceanic crust, the number and lengths of dikes in any …

Is this magnetic fabric normal? A review and case studies in volcanic formations

P Rochette, C Aubourg, M Perrin - Tectonophysics, 1999 - Elsevier
When studying weakly anisotropic rocks non-standard relationships between magnetic and
expected petrofabric axes are sometimes observed, in particular the so-called inverse or …

Flow directions in dikes from anisotropy of magnetic susceptibility data: The bootstrap way

L Tauxe, JS Gee, H Staudigel - Journal of Geophysical …, 1998 - Wiley Online Library
One of the first applications of anisotropy of magnetic susceptibility (AMS) was an attempt to
determine flow directions from mafic dikes [Khan, 1962]. Since the seminal work of Knight …

Anisotropy of magnetic susceptibility of lava flows and dykes: a historical account

E Cañón-Tapia - Geological Society, London, Special …, 2004 - lyellcollection.org
The basic assumptions made in the interpretation of the anisotropy of magnetic susceptibility
(AMS) of lava flows, dykes and other tabular intrusive rocks have changed with time. This …