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The physical isolation and identification of carriers of geologically stable remanent magnetization: paleomagnetic and rock magnetic microanalysis and electron microscopy
Author(s) -
Geissman John Wm.,
Harlan Steve S.,
Brearley Adrian J.
Publication year - 1988
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/gl015i005p00479
Subject(s) - paleomagnetism , remanence , natural remanent magnetization , microanalysis , geology , rock magnetism , electron probe microanalysis , geophysics , transmission electron microscopy , mineralogy , magnetization , materials science , magnetic field , electron microprobe , nanotechnology , chemistry , physics , organic chemistry , quantum mechanics
Paleomagnetic and rock magnetic microanalysis of fully oriented microspecimens provides a more direct understanding of the source and origin of geologically stable remanent magnetizations. Scanning transmission electron microscopy allows direct observation and characterization of magnetic phases. We provide a brief history of micromagnetic research, describe a functional microspecimen preparation method, evaluate instrumentation, and present results of three combined micromagnetic/STEM studies.