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Section 2 Relative Dating: Which Came First?
Geologic News Write a news article from the perspective of a geologistInclude all of the key terms from this week Your story must make sense Be creative and have fun!
Relative Dating Determining the age and order of particular events or objects.
Superposition Younger rocks lie above older rocks in undisturbed sequences.
The Geologic Column An ideal sequence of rock layers that contain all the known fossils and rock formations on earth, arranged from oldest to youngest.
Disturbed Rock Layers
The Missing Piece Unconformity-a surface missing part of geologic column. Nondeposition Erosion Disconformities Nonconformities Angular Unconformities
Relative Dating – Lab Which geologic event occurred first?? Which rock layer formed first? How do you know? Which rock layer formed first? How do you know?
CHAPTER 9: Clues to Earth’s past
Relative Dating: Which Came First?
Unit 2 Lesson 2 Relative Dating
You will need a piece of paper! I stood in the checkout line.
How do we know what happened first?
GEOLOGIC HISTORY THE RULES OF THE GAME
Relative and Absolute Dating
Determining geological ages
Relative Dating of Rocks
Ways to tell the age of a rock
R ELATIVE D ATING : W HICH C AME F IRST ? Chapter 6 Section 2.
Relative Dating : Which Came First?
Geologic Time, Unconformities and Relative Dating Uniformitarianism Appendix A.
Sci. 3-2 Relative Dating: Which Came First?
Use answer key to make correction to p. 2 in binder
Nonconformity - sedimentary rocks over crystalline (metamorphic or igneous) rocks N. Lindsley-Griffin, 1998.
Unit 5: Age of the Earth Objective:
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