Letter | Published:

Age of Tektites

Naturevolume 168pages432433 (1951) | Download Citation

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Abstract

AN investigation has been made of the argon content of tektites utilizing the mass-spectrometric isotopic-dilution technique in an attempt to find a clue to the origin of these supposedly meteoric glasses1. Previous investigations have shown that the bubbles frequently present in tektites have a gas pressure of less than 10−3 atmosphere2, and that the total argon content of the tektites is below the limits of detection of the ordinary methods of gas analysis3. These results show that, from the point of view of age determination of these materials by the argon method, diffusion is negligible.

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References

  1. 1

    See, for example, Paneth, F. A., Halley Lecture (1940).

  2. 2

    Suess, H. E., paper at the Washington Meeting, American Geol. Soc, Nov. 1950.

  3. 3

    Suess, H. E., Acta. Geochem. et Cosmochem. (to be published).

  4. 4

    Inghram, M. G., Brown, Harrison, Patterson, C., and Hess, D. C., Phys. Rev., 80, 916 (1950). Sawyer, G. A., and Wiedenbeck, M. L., Phys. Rev., 79, 490 (1950). Houtermans, F., Harel, O., and Heintze, J., Z. Phys., 128, 657 (1950).

  5. 5

    Paneth, F. A., Nature, 149, 235 (1942).

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Affiliations

  1. Institute for Nuclear Studies, University of Chicago, and Argonne National Laboratory, Chicago, Illinois

    • HANS E. SUESS
    • , RICHARD J. HAYDEN
    •  & MARK G. INGHRAM

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https://doi.org/10.1038/168432a0

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