Lecture 1 - Life on Earth Flashcards

1
Q

How long ago was earth formed

A

4.54 billion years ago

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2
Q

Principle of lateral continuity

A

layers of sediment are laterally continuous

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3
Q

Principle of faunal succession

A

uses fossils for relative dating of sedimentary rocks

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4
Q

Diagenesis

A

biological and chemical modification of remains

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