Paleomagnetism of Sedimentary Rocks Process

This book describes the paleomagnetism of sediments and sedimentary rocks, how sediments and sedimentary rocks become magnetized, and how the physical and chemical processes involved can affect the accuracy of paleomagnetism. Topics covered include depositional and post-depositional remanence acquisition, the detection and correction of compaction-caused inclination shallowing, reduction diagenesis of magnetic minerals, chemical remagnetization, and rotation of remanence by grain-scale rock strain. The book also has a chapter on environmental paleomagnetism, including examples of the new technique of high-resolution rock magnetic cyclostratigraphy and its application to sedimentary sequences. By emphasising the accuracy of sedimentary paleomagnetism and the magnitude of post-depositional processes that can affect it, the book will be invaluable in the geologic interpretation of sedimentary paleomagnetic data. Paleomagnetism of Sedimentary Rocks will be welcomed by paleomagnetists, students of paleomagnetism and all Earth scientists who use sedimentary paleomagnetic data in their research.

Ken Kodama is Professor of Earth and Environmental Sciences at Lehigh University. He has taught Earth sciences and conducted paleomagnetic and rock magnetic research with his students at Lehigh for the past 34 years. In his time away from paleomagnetism he enjoys playing music.

1 The Paleomagnetism of Sediments and Sedimentary Rocks: Importance and Reliability, 1

2 The Magnetization Mechanism of Sediments and Sedimentary Rocks: Depositional Remanent Magnetization, 16

3 Post-Depositional Remanent Magnetization, 26

4 Inclination Shallowing in Sedimentary Rocks: Evidence, Mechanism and Cause, 34

5 How to Detect and Correct a Compaction-shallowed Inclination, 46

6 Post-Depositional Diagenesis and Chemical Remanent Magnetization, 66

7 Tectonic Strain Effects on Remanence: Rotation of Remanence and Remagnetization in Orogenic Belts, 81

8 Magnetization of Sediments and the Environment, 94

9 The Magnetization of Sedimentary Rocks: Processes and their Interpretation, 124

Glossary of Paleomagnetic and Rock Magnetic Acronyms, 136

References, 139

Index, 154

Color plate between pages 90 and 91

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Paleomagnetism of Sedimentary Rocks Process and Interpretation

Summary

Author Biography

Table of Contents

Supplemental Materials