240 likes | 665 Views
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
E N D
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
2. 2