Preliminary discussion on the origin of Lei-gong-mo (tektites)

Details Preliminary discussion on the origin of Lei-gong-mo (tektites) Preliminary discussion on the origin of Lei-gong-mo (tektites)

Apr 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983stin...8417095b&link_type=abstract

Preliminary discussion on the origin of Lei-gong-mo (tektites) Transl. into ENGLISH from Sci. Geol. Sinica (China), no. 4, Oct.

Mathematics

Logic

Evolution (Development), Meteoritic Composition, Origins, Tektites, Chemical Composition, Corrosion, Lunar Composition, Lunar Rocks, Shapes, Surface Roughness, Vitreous Materials

Scientific paper

The specimens of lei-gong-mo (tektites) were collected from Hainan Island and Leizhow Peninsula during the period from 1963 to 1975. The distribution, forms, sculpture, abration surface (bald spot), internal structure and chemical composition of lei-gong-mo are discussed. Studies of these materials lead to the following conclusions: (1) the specimens of lei-gong-mo can be morphologically divided into eight types; (2) the sculptures on the surface of lei-gong-mo are probably due to the corrosion effect of volcanic gas, and the abration surface due to the aerodynamic corrosion; (3) the folded structures in the layered lei-gong-mo (Muong Nong-type tektite) seem hardly to be formed by an impact of meteorites, but they might be produced in the magma flow process when the lei-gong-mo was melting within the crater vent; and (4) the comparison of its chemical composition with that of basalt from Hainan Island does not show that lei-gong-mo came from the local volcano. The hypothesis of the lunar volcanic origin of tektites is examined.

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