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Understanding Geologic Change: Uniformitarianism vs. Catastrophism

Explore how scientists interpret Earth's history through Uniformitarianism and Catastrophism theories of geologic change. Learn about relative dating, superposition, and geologic columns to unravel the mysteries of our planet's past.

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Understanding Geologic Change: Uniformitarianism vs. Catastrophism

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  1. Chapter 6 section 1-2 Luke whitlow Derrick lambert

  2. Section 1 • How scientist think the world was formed or changed

  3. vocabulary • Uniformitarianism • Catastrophism

  4. Definitions for vocab • Uniformitarianism – geologic change is a gradual change • Catastrophism- geologic change is sudden

  5. opinion • Uniformitarianism is what really happen • Catastrophism is what some people think happened

  6. Section 2 • How scientist put rock layers in order

  7. vocab • Relative dating • Super positon • Geologic column • unconformity

  8. Definition of vocabulary • Relative dating- to determine weather an object event is older or younger than objects or events • Super position- that younger layers lie above older layers in an disturbed rock layer sequence • Geologic column- is an ideal sequence of rock layers that contain all fossil are arranged from younger to older • Unconformity- is a surface that represents a missing part of the geologic column

  9. Relative dating deals with younger or older soil layers is on top

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