01-geologic-time

01-geologic-time - 460:206:01 DINOSAURS Introduction to...

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Introduction to Geologic Time 460:206:01 DINOSAURS
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Nicolas Steno
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Stratigraphy Strata = layers of rock Stratigraphy- the study of the rock layers Based on 3 basic Laws of Stratigraphy
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Steno’s Principles of Stratigraphy Original Horizontality
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Steno’s Principles of Stratigraphy Superposition
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Steno’s Principles of Stratigraphy Faunal (Floral) Succession
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Based on First and Last Appearances of Fossils and Trace Fossils First Appearance- When something evolved Last Appearance- When something went extinct Trace Fossil- Organism that lives for a brief period of time
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What are fossils??
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Why do we care? Paleontology- the study of fossils Why do paleontologists study fossils? What can fossils tell us about the past? They tell us two main things.
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What do these fossils tell us?
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What do these fossils tell us?
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Two Types of Fossils
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Body Fossils
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Trace Fossils
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This note was uploaded on 02/18/2011 for the course DINOSAURS 206 taught by Professor Neitzke during the Spring '11 term at Rutgers.

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01-geologic-time - 460:206:01 DINOSAURS Introduction to...

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