"Ages" of the Sikhote Alin Iron Meteorite

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Science  22 Feb 1963:
Vol. 139, Issue 3556, pp. 752-753
DOI: 10.1126/science.139.3556.752


Measurements of the potassium and argon content of the Sikhote Alin iron meteorite, by activation analysis, enable a potassium-argon "age" of 1.7 x 109 years to be calculated. Such an age is vastly different from all the ages previously measured for iron meteorites.