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A natural glass formed from a meteorite impact melting the local rock. Depending on the nature of the latter, the composition of tektites is variable. Hence, many varietal names are given to tektites from different localities.
The meteoritic source was determined for three fields of scattered tektites (bediasite and georgiaite in North America, moldavite in Central Europe, and ivorite in West Africa). Though, for Australian and Asian tektites (indochinite, australite, zhamanshinite, irghizite, and others), the occurrence in meteoritic craters has only been inferred.
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Classification of Tektite
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Other Names for Tektite
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References for Tektite
J. Jedwab (1977) Minerals Deposited in Tektite and Impactite Bubbles. Meteoritics, 12, 264-266.
Bentor, Y. K. (1986) A new approach to the problem of tektite genesis. Earth and Planetary Science Letters, 77, 1-13.
Köberl C. (1990) The geochemistry of tektites: An overview. Tectonophysics 171, 405–422.
O'Keefe, J.A. (1993) The origin of tektites. Meteoritics, 29, 73–78.
Rossano, S., Balan, E., Morin, G., Bauer, J.-P., Calas, G., and Brouder, C. (1999) 57Fe Mössbauer spectroscopy of tektites. Phys. Chem. Minerals: 26: 530-538.
Povenmire, H. (2003) Tektites, A Cosmic Enigma. Florida Fireball Network, 210 pp.
Internet Links for Tektite
Localities for Tektite
The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
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Locality Updated: Calbrita quarry, Alenquer, Lisbon District, PortugalFrom Rui Nunes, 27th Nov 2014 11:26:27