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The top documents tagged [index fossils slide]
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index fossils slide
Key Beds, Absolute Dating and FOSSILS- 21.4. Index Fossils.
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Index Fossils. What are Fossils? Preserved remains or traces of living things. They help show how the Earth has changed over time. They are clues to what.
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Chapter 4 Sedimentary Structures. Bed: Tabular or lenticular layers of sedimentary rock that have lithologic, textural, or structural unity that clearly.
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How do you know how old it is?. Dating in Geology 1) Relative dating –a) Superposition –b) Correlation 2) Numerical (absolute) dating –radiometrics.
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17-1 The Fossil Record. A fossil is defined as any evidence of life that existed long ago. A fossil can be a plant, an animal, a footprint, an egg, a.
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