Abstract
The spatial distribution of elements in tektites from Indochina and Czechoslovakia and in certain terrestrial materials has been studied by charged particle activation analysis and β autoradiography in an attempt to throw light on the mode of formation of tektites. Tektites from both of these strewn fields, as well as volcanic glass from the island of Melos, show homogeneous distributions within the accuracy of the experiment. On the other hand, impactites from Ries crater in Germany and Lake Bosumtwi in Ghana (and, even more, a granite used for comparative purposes) show considerable inhomogeneity of elemental distribution. The conclusions drawn from these observations are discussed in this paper.
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