The argon-40 content of the atmosphere and the age of the earth

Details The argon-40 content of the atmosphere and the age of the earth The argon-40 content of the atmosphere and the age of the earth

Aug 1955

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1955gecoa...8...16s&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 8, Issue 1-2, pp.16-21

Mathematics

Logic

3

Scientific paper

Applying the theory that the continents havo been formed by the addition of volcanic material from depth during geologic time, and assuming that this material released all of its radiogenic argon-40 while it was in the molten state, an age of the earth has been calculated from the argon-40 content of the earth's atmosphere. Using current estimates of the potassium content of the crustal rocks, volume of the continents, and the argon-40 content of the atmosphere, we find that all the argon-40 in the atmosphere could have been released in this way if the earth were 5,300 million years old. This value is in reasonable agreement with other estimates of the age of the earth and of the universe. It is therefore concluded that this is a reasonable explanation for the derivation of the earth's atmospheric argon.

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