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Lecture 8a: Stratigraphy, Paleomagnetism

2. . Principles of Stratigraphy (revisited). Recall the fundamental principles of stratigraphy: original horizontality, superposition, cross-cutttingA more detailed study brings up three major themes:Uniformitarianism: the interpretation of ancient deposits by analogy to modern, observable environ

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Lecture 8a: Stratigraphy, Paleomagnetism

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    1. 1 Lecture 8a: Stratigraphy, Paleomagnetism Questions How is stratigraphy related to analysis of sedimentary environments? What happens when sea-level varies? How do variations in the terrestrial magnetic field get recorded in rocks and used by geologists to reconstruct history? Reading Grotzinger et al. chapters 8 (again) and 14

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