11.32. (11/4) Stratigraphy & Review Flashcards
Accumulation + Layering of Sediments, litho, bio, chrono, allo, sequence (seismic), uncomformity/ Steno's Laws, Walther's Law, Causes of Eustacy
1
Q
Why do we have eustacy?
A
- melting and creation of polar ice caps
- ## +/- 140 m (caused by the ice ages)
2
Q
What is the Grand Canyon proof of?
A
times when the north american continent has been flooded and un-flooded (happened at least 6 times)
3
Q
lithostratigraphy
A
presence of sediment and its rocks
based on rock record
4
Q
chronostratigraphy
A
clock, time
5
Q
unconformity
A