1. Natural Signals to Map the Earth's Natural Resources.- 2. Application of ANN-Based Techniques in EM Induction Studies -- 3. Regional Electromagnetic Induction Studies Using Long period Geomagnetic Variations -- 4. Electromagnetic Images of the South and Central American Subduction Zones -- 5. Joint Inversion of Seismic and MT Data - An Example from Southern Granulite Terrain, India -- 6. What We Can Do in Seismoelectromagnetics and Electromagnetic Precursors -- 7. Time Domain Controlled Source Electromagnetics for Hydrocarbon Applications -- 8. On Thermal Driving of the Geodynamo -- 9. Time-Averaged and Mean Axial Dipole Field -- 10. A Few Characteristic Features of the Geomagnetic Field During Reversals -- 11. Rock Magnetic Characterization Through an Intact Sequence of Oceanic Crust, IODP Hole 1256D -- 12. Magnetic Mineralogy of a Complete Oceanic Crustal Section (IODP Hole 1256D).- 13. Absolute Paleointensities from an Intact Section of Oceanic Crust Cored at ODP/IODP Site 1256 in the Equatorial Pacific -- 14. Paleointensities of the Hawaii 1955 and 1960 Lava Flows: Further Validation of the Multi-specimen Method -- 15. Archaeomagnetic Research in Italy: Recent Achievements and Future Perspectives -- 16. The Termination of the Olduvai Subchron at Lingtai, Chinese Loess Plateau: Geomagnetic Field Behavior or Complex Remanence Acquisition? 17. Magnetic Fabric of the Brazilian Dike Swarms: A Review -- 18. AMS in Granites and Lava Flows: Two End Members of a Continuum?- 19. Anisotropy of Magnetic Susceptibility in Variable Low-Fields: A Review.- 20. A Multi-Function Kappabridge for High Precision Measurement of the AMS and the Variations of Magnetic Susceptibility with Field, Temperature and Frequency -- 21. Rema6W - MS Windows Software for Controlling JR-6 Series Spinner Magnetometers -- 22. Experimental Study of the Magnetic Signature of Basal-Plane Anisotropy in Hematite -- 23. Anorthosites as Sources of Magnetic Anomalies -- 24. Magnetic Record in Cave Sediments: A Review -- 25. A Quantitative Model of Magnetic Enhancement in Loessic Soils.- 26. Palaeoclimatic Significance of Hematite/Goethite Ratio in Bulgarian Loess-Palaeosol Sediments Deduced by DRS and Rock Magnetic Measurements.-27. Magnetic Mapping ofWeakly Contaminated Areas.- 28. Magnetic Measurements on Maple and Sequoia Trees -- Index. This volume combines review and solicited contributions, related to scientific studies of Division I of IAGA presented at its Scientific Assembly in Sopron in 2009. The book is aimed at intermediate to advanced readers dealing with the Earth's magnetic field generation, its historical records in rocks and geological formations - including links to geodynamics and magnetic dating, with magnetic carriers in earth materials, electromagnetic induction and conductivity studies of the Earth interior with environmental applications of rock magnetism and electromagnetism. The aim of the book is to provide an overview of recent advances and future challenges in these particular fields of research. Audience: This book will be of interest to scientists and researchers in geophysics.