Science Frontiers ONLINE No. 32: Mar-Apr 1984 Issue Contents

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Osmium Isotopes Support Meteoric Impact

Comparison of terrestrial and meteoric osmium-isotope abundances tends to confirm the hypothesis of a meteorite strike at the Cretaceous-Tertiary boundary.

(Luck, J.M., and Turekian, K.K.; "Osmium-187/Osmium-186 in Manganese Nodules and the Cretaceous-Tertiary Boundary," Science 222:613, 1983.)

From Science Frontiers #32, MAR-APR 1984. � 1984-2000 William R. Corliss

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