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A Jurassic amber deposit in Southern Thailand

Abstract : Published reports of amber predating the Aptian are rare and mention only amber pieces the size of millimetric marbles. Mid Cretaceous amber records, however, show a dramatic increase in number as well as in the size of the pieces, a phenomenon which is still poorly understood. The discovery of the first Jurassic deposit with comparatively large centimetric sized pieces of amber, in southern Thailand, is significant. Taphonomy and palaeobotany indicate a dense forest surrounding a coastal lake dominated by the resin-producing Agathoxylon tree. Since the palaeoecology of other amber-producing Jurassic and Cretaceous deposits is very similar a new hypothesis needs to be sought to explain the mid Cretaceous amber boom. It is suggested here that it was the result of a geological or taphonomic bias because coastal lacustrine environments are much better preserved after the Aptian on a worldwide scale.
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Contributor : Doriane Gabrielli Connect in order to contact the contributor
Submitted on : Thursday, October 18, 2007 - 4:28:42 PM
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Marc Philippe, Gilles Cuny, Varavydg Suteethorn, Naramese Teerarungsigul, Georges Barale, et al.. A Jurassic amber deposit in Southern Thailand. Historical Biology, Taylor & Francis, 2005, 17, pp.1-6. ⟨10.1080/08912960500284729⟩. ⟨hal-00180312⟩



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