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Lab7GeologicTimeScale[1]

Lab7GeologicTimeScale[1] - QUIZ 1 You have a quiz 2 Be sure...

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QUIZ 1. You have a quiz!! 2. Be sure you can identify sedimentary rocks 3. Be sure you know the technical names for sea level rise and sea level fall 4. Be sure you know the laws of relative age dating
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LAB 6 Changes in Taxa with  Time
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Geologic Time Time is what sets geology apart from most other  sciences Geologic history spans  billions  billions of years Life on earth has continually changed throughout  time
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Relative and Absolute Dating Relative: involves placing geologic events in  sequential order using various principles Principle of superposition Principle of cross-cutting relationships Principle of horizontality Fossil Succession Absolute: results in specific dates  Radiometric dating
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Geologic Time Scale Geologic Time: Eon Era Separated by  mass extinctions Period
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Earliest Eons Hadean Eon (4550-3800 my) Origin of earth Archean Eon (3800 – 2500 my)
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