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Science 24 February 1967:
Vol. 155. no. 3765, pp. 999 - 1000
DOI: 10.1126/science.155.3765.999
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Articles

Potassium: Argon Dating of Iron Meteorites

L. Rancitelli 1, D. E. Fisher 2, J. Funkhouser 3, and O. A. Schaeffer 3

1 Cornell University, Ithaca, New York
2 Institute of Marine Sciences, University of Miami, Miami, Florida
3 State University of New York, Stony Brook

The potassium:argon age of the metal phase of Weekeroo Station iron meteorite, determined by neutronactivation analysis, is about 1010 years; it is similar to ages previously measured for other iron meteorites, but distinctly disagrees with a strontium: rubidium age of 4.7 X 109 years measured by other workers on silicate inclusions in this meteorite.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)