GEOL 1301 - Lab 08 - Geologic Time

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University of Texas, Arlington *

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1301

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Geology

Date

Apr 3, 2024

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docx

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Uploaded by DrFire12823

GEOL 1301 Lab 08 Geologic Time In this lab, you are going to review the concepts of relative and numerical geologic time and work on examples to establish the order of geologic events and to use radiometric dating. Please upload your completed worksheets on Canvas. Helpful Websites: http://en.wikipedia.org/wiki/Law_of_superposition http://en.wikipedia.org/wiki/Principle_of_original_horizontality http://en.wikipedia.org/wiki/Principle_of_cross-cutting_relationships http://en.wikipedia.org/wiki/Unconformity http://en.wikipedia.org/wiki/Radiometric_dating Key to rocks and symbols for the following activity: 1

Name: Malik Brown For each of the following cross sections, determine the relative age sequence of the rocks and answer the additional questions. 2

1. Rock sequence from oldest to youngest: E, B, C, D, A What type of unconformity is represented between layers E and C? Non-conformity Which principle is used to determine the time sequence of layers C, D, and A? The law of superposition 3

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