Strewn-fields of tektites

Strewn-fields of tektites
names age (millions of years) microtektites Muong-Nong splash-form australite remarks
North American tektites, viz., bediasites (Texas), georgiaites 35.4 — X X — very low in magnesium, calcium
moldavites 14.6 ? X X X found in Czech Republic; rich in silicon, potassium
Ivory Coast tektites 1.3 X — X ? sodium more abundant than potassium
Australasian tektites, viz., australites, billitonites, indochinites, javanites, lei-gong-mo (China) philippinites (=rizalites), thailandites 0.80 X X X X
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Universalium. 2010.

Look at other dictionaries:

  • tektite — /tek tuyt/, n. Geol. any of several kinds of small glassy bodies, in various forms, occurring in Australia and elsewhere, now believed to have been produced by the impact of meteorites on the earth s surface. [1920 25; < Gk tekt(ós) molten +… …   Universalium

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  • mi|cro|tek|tite — «MY kroh TEHK tyt», noun. a microscopic variety of tektite found deep in ocean sediments: »Microtektites … are reckoned to be the fine grained components of the so called “strewn fields” of larger tektites (New Scientist and Science Journal) …   Useful english dictionary

  • Tektite — Tektites (from Greek tektos , molten) are natural glass objects up to a few centimeters in size, which most scientists argue were formed by the impact of large meteorites on Earth s surface. Tektites are typically black or olive green, and their… …   Wikipedia

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