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The Deuterium-Protium Ratio. I. The Densities of Natural Waters from Various Sources

✍ Scribed by Greene, Charles H.; Voskuyl, Roger J.

Book ID
127313934
Publisher
American Chemical Society
Year
1939
Tongue
English
Weight
780 KB
Volume
61
Category
Article
ISSN
0002-7863

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The deuterium to protium (D/H) ratio of the deep mantle may be a remnant of the hydrogen isotopic composition of Earth forming planetesimals, which later evolved as a result of the late accretion of asteroids and comets. If so, the mass of asteroids and comets incident on Earth since the time of its