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If you look at a geologic time chart the numbers on the boundaries between different eras, periods, and epochs (with the exception of those in the Precambrian) are not round or even numbers. For example, the bou between Miocene and Oligocene epochs is 23.7 million years. Why is this? a. Radiometric dating is not well established as a scientific method b. Makes it more challenging for geology students c. These numbers refer to changes in sedimentary deposition rates d. These numbers refer to significant changes in life (fossil record)

If you look at a geologic time chart the numbers on the boundaries between different eras, periods, and epochs (with the exception of those in the Precambrian) are not round or even numbers. For example, the bou between Miocene and Oligocene epochs is 23.7 million years. Why is this? a. Radiometric dating is not well established as a scientific method b. Makes it more challenging for geology students c. These numbers refer to changes in sedimentary deposition rates d. These numbers refer to significant changes in life (fossil record)

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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If you look at a geologic time chart the numbers on the boundaries between different eras, periods, and epochs (with the exception of those in the Precambrian) are not round or even numbers. For example, the boundary between Miocene and Oligocene epochs is 23.7 million years. Why is this? a. Radiometric dating is not well established as a scientific method b. Makes it more challenging for geology students c. These numbers refer to changes in sedimentary deposition rates d. These numbers refer to significant changes in life (fossil record)
Transcribed Image Text:If you look at a geologic time chart the numbers on the boundaries between different eras, periods, and epochs (with the exception of those in the Precambrian) are not round or even numbers. For example, the boundary between Miocene and Oligocene epochs is 23.7 million years. Why is this? a. Radiometric dating is not well established as a scientific method b. Makes it more challenging for geology students c. These numbers refer to changes in sedimentary deposition rates d. These numbers refer to significant changes in life (fossil record)
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