Geomagnetism and Palaeomagnetism

Section I. Geomagnetic Secular Variation back to 50 000 years BP.- A Spherical Cap Harmonic Model of the Crustal Magnetic Anomaly Field in Europe Observed by MAGSAT.- Geomagnetic Secular Variation.- Historical Secular Variation and Geomagnetic Theory.- Changes in the Earth's Rate of Rotation on an El Nino to Century Basis.- Geomagnetic Secular Variation in Britain During the Last 2000 Years.- Detailed Palaeomagnetic Record for the Last 6300 Years From Varved Lake Deposits in Northern Sweden.- The Lac Du Bouchet Palaeomagnetic Record: Its Reliability and Some Inferences About the Character of Geomagnetic Secular Variations Through the Last 50000 Years.- Developments in Cave Sediment Palaeomagnetism.- Evidence for Wave Propagation in the Holocene Palaeomagnetic Field.- Section II. Excursions.- Bruhnes Chron Geomagnetic Excursion Recorded During the Late Pleistocene, Albuquerque Volcanoes, New Mexico, U.S.A..- Short Reversal of the Palaeomagnetic Field About 280 000 Years Ago at Long Valley, California.- Section III. Reversals: Observation and Modelling.- Magnetic Polarity Time Scales and Reversal Frequency.- Observations and Models of Reversal Transition Fields.- A Phenomenological Model for Reversals of the Geomagnetic Field.- Deterministic Chaos, Geomagnetic Reversals, and the Spherical Pendulum.- Geomagnetic Polarity Reversals: Can Meteor Impacts Cause Spall Disruption into the Outer Core.- Section IV. Origin and Analysis of Remanence.- Magnetic Bacteria in Lake Sediments.- Magnetization of Sediments and Depositional Environment.- Timing Between a Large Impact and a Geomagnetic Reversal and the Depth of NRM Acquisition in Deep-Sea Sediments.- Tests of Magnetic Properties of New Zealand Pliocene Marine Mudstones.- Some Aspects of the Measurement of Magnetic Anisotropy.- The Magnetism of Ordinary Chondrites and SNC Meteorites: Possible Implications for Ancient Solar System Magnetic Fields.- Section V. Geodynamo Theory.- Geodynamo Theory.- Long-Term Palaeofield Variations and the Geomagnetic Dynamo.- Compositional Convection and the Earth's Core.- Numerical Models in the Theory of Geomagnetism.