Under construction. 
Fig. 42.  Mineral grains and microtektites in a core sample, from the Australasian strewn field.  Courtesy of B.P. Glass (Journal of Geophysical Research, vol. 74, p. 6797; © 1969, The American Geophysical Union.

Click below for larger view.
Figure42.GIF Figure42.GIF
Size : 25 Kb
Type : GIF