Paleomagnetism

 

CHAPTER 1     INTRODUCTION TO GEOMAGNETISM

          Some basic definitions

          Geocentric axial dipole model

          The present geomagnetic field

          Geomagnetic secular variation

          Origin of the geomagnetic field

CHAPTER 2     FERROMAGNETIC MINERALS

          Magnetic properties of soils

          Mineralogy of ferromagnetic minerals

CHAPTER 3     ORIGINS OF NATURAL REMANENT MAGNETIZATION

          Ferromagnetism of fine particles

          Natural remanent magnetism (NRM)

          Thermoremanent magnetism (TRM)

          Chemical remanent magnetism (CRM)

          Detrital remanent magnetism (DRM)

          Viscous remanent magnetism (VRM)

          Isothermal remanent magnetism (IRM)

CHAPTER 4     SAMPLING, MEASUREMENT AND DISPLAY OF NRM

          Collection of paleomagnetic samples

          Measurment of NRM

          Evidences of secondary NRM

          Identification of ferromagnetic minerals

CHAPTER 5     PALEOMAGNETIC STABILITY

          Partial demagnetization techniques

          Field tests of paleomagnetic stability

CHAPTER 6     STATISTICS OF PALEOMAGNETISM

          The normal distribution

          The Fisher distribution

          Site-mean directions

          Significance tests

CHAPTER 7     PALEOMAGNETIC POLES

          Procedure for pole determination

          Types of poles

          Sampling of geomagnetic secular variation

          Example paleomagnetic poles

          Caveats and summary

CHAPTER 8     SPECIAL TOPICS IN ROCK MAGNETISM

          Paleointensity from thermoremanent magnetization

          Inclination error of DRM

          Biomagnetism: birds do it, bees do it

          Marine sediments

          Magnetic anisotropy

          Chemical remagnetization

          The red bed controversy

CHAPTER 9     GEOCHRONOLOGIC APPLICATIONS

          Development of the geomagnetic polarity time scale

          Magnetic polarity stratigraphy

CHAPTER 10   APPLICATIONS TO PALEOGEOGRAPHY

          The geocentric axial dipole hypothesis

          Apparent polar wander paths

          Paleogeographic reconstructions of the continents

CHAPTER 11   APPLICATIONS TO REGIONAL TECTONICS

          Some general principles

          The transverse ranges, California: a large, young rotation

          Wrangellia in Alaska: a far-traveled terrane

          Caveats and summary

 

 

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