Physics
Scientific paper
Sep 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999m%26ps...34..757f&link_type=abstract
Meteoritics & Planetary Science, vol. 34, no. 5, pp. 757-762 (1999).
Physics
5
Scientific paper
We have recovered 18 kg of layered tektites from 10 tektite-bearing localities in Laos and central Vietnam, including 5 localities around the town of Muong Nong (Laos). Several of these deposits originally contained several hundred kg of layered tektite fragments and one fragmented mass may have been as large as 1,000 kg. This is the largest single deposit of tektites yet reported. In this region, layered tektite fragments are found in isolated clusters usually associated with a pebbly laterite horizon that is 0-1 meters below the surface. Near Khe Sanh, Vietnam, we estimate the abundance of layered tektite fragments to be roughly 100 g/m2. This is greater than 5 times the abundance estimated for NE Thailand (Fiske et al., 1996). In a region that extends from NE Thailand, through central Laos, and into central Vietnam we found only layered tektites, confirming the existence of a large (>50,000 km2) subfield of the Australasian strewn field with only layered tektites. The E-W extent of the "layered-only" subfield is well constrained but little field data exist to constrain its N-S extent.
Chanthavaichith Kong Kham
Fiske Peter S.
Homsombath Inpong
Khenthavong Bounsou
McHone John
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