4. Which radioactive isotope or isotopes would you use to date each of the following objects? Explain each of your choices. • A 4 billion year old piece of granite. A One million year old bed of volcanic ash that contains the footprints of hominids (human ancestors). The fur of a woolly mammoth that was recently recovered frozen in a glacier. • A fossilized trilobite recovered from a bed of sandstone that is about 500 million years old.
4. Which radioactive isotope or isotopes would you use to date each of the following objects? Explain each of your choices. • A 4 billion year old piece of granite. A One million year old bed of volcanic ash that contains the footprints of hominids (human ancestors). The fur of a woolly mammoth that was recently recovered frozen in a glacier. • A fossilized trilobite recovered from a bed of sandstone that is about 500 million years old.
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
Problem 1LR
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Transcribed Image Text:4. Which radioactive isotope or isotopes would you use to date each of the
following objects? Explain each of your choices.
• A 4 billion year old piece of granite.
A One million year old bed of volcanic ash that contains the footprints of
hominids (human ancestors).
The fur of a woolly mammoth that was recently recovered frozen in a
glacier.
A fossilized trilobite recovered from a bed of sandstone that is about 500
million years old.
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