Other
Scientific paper
Jun 1964
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1964gecoa..28..893b&link_type=abstract
Geochimica et Cosmochimica Acta, vol. 28, Issue 6, pp.893-913
Other
6
Scientific paper
Normal indochinites in the central part of their strewn-field are slightly more siliceous, have slightly lower refractive indices, contain fewer and smaller lechatelierite particles and bubbles, and more of the bubbles are spherical. These characteristics of normal indochinites vary in a manner which indicates that a central area of higher temperature existed at the time of indochinite formation. These observations are supported by sixteen new chemical analyses, eight of normal and eight of Muong Nong-type indochinites, and petrographic examination of 288 plates cut from as many specimens. Tektite characteristics in two other strewn-fields examined also vary systematically. The center of the moldavite strewn-field probably is in Moravia or eastward, rather than westward toward the Ries Kessel. The center of the bediasite strewn-field probably is in the vicinity of their southwesternmost presently-known occurrence or farther southwest.
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