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Earth History  GEOL 2110 Earth History  GEOL 2110

Earth History GEOL 2110 - PowerPoint Presentation

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Uploaded On 2018-10-13

Earth History GEOL 2110 - PPT Presentation

Lecture 9 Absolute Dating of the Earth Major Concepts The discovery of radioactivity in the early 1900s and the recognition that radioactive decay a statistical event occurs at a constant average rate for particular unstable isotopes has provided a means of determining the absolute ages ID: 689190

radioactive decay age isotopes decay radioactive isotopes age isotopic dating systems earth minerals time unstable radioactivity rate parent ages number discovery uranium

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