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)
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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)

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3
Q

lithostratigraphy

A

presence of sediment and its rocks
based on rock record

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4
Q

chronostratigraphy

A

clock, time

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5
Q

unconformity

A
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