Abstract
Research Article| March 01, 2010 Shocked quartz and other mineral inclusions in Australasian microtektites L. Folco; L. Folco 1Museo Nazionale dell'Antartide, Università di Siena, Via Laterina 8, 53100 Siena, Italy Search for other works by this author on: GSW Google Scholar N. Perchiazzi; N. Perchiazzi 2Dipartimento di Scienze della Terra, Università di Pisa, Via S. Maria 53, 56126 Pisa, Italy Search for other works by this author on: GSW Google Scholar M. D'Orazio; M. D'Orazio 2Dipartimento di Scienze della Terra, Università di Pisa, Via S. Maria 53, 56126 Pisa, Italy3Istituto di Geoscienze e Georisorse, CNR, Via Moruzzi 1, 56124, Pisa, Italy Search for other works by this author on: GSW Google Scholar M.L. Frezzotti; M.L. Frezzotti 4Dipartimento di Scienze della Terra, Università di Siena, Via Laterina 8, 53100 Siena, Italy Search for other works by this author on: GSW Google Scholar B.P. Glass; B.P. Glass 5Department of Geological Sciences, University of Delaware, Newark, Delaware 19716, USA Search for other works by this author on: GSW Google Scholar P. Rochette P. Rochette 6Centre Européen de Recherche et d'Enseignement des Géosciences de l'Environnement, CNRS Université D'Aix-Marseille III, PB80 13545, Aix en Provence, Cedex 4, France Search for other works by this author on: GSW Google Scholar Geology (2010) 38 (3): 211–214. https://doi.org/10.1130/G30512.1 Article history received: 08 Jul 2009 rev-recd: 25 Sep 2009 accepted: 27 Sep 2009 first online: 09 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation L. Folco, N. Perchiazzi, M. D'Orazio, M.L. Frezzotti, B.P. Glass, P. Rochette; Shocked quartz and other mineral inclusions in Australasian microtektites. Geology 2010;; 38 (3): 211–214. doi: https://doi.org/10.1130/G30512.1 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGeology Search Advanced Search Abstract We report the occurrence of microscopic inclusions of shocked quartz plus a Zr phase and trace of Fe oxide crystallites in Australasian microtektites recovered from deep-sea sediment cores within 2000 km of Indochina. The shocked quartz and the Zr phase are interpreted as relicts of the target rock. Furthermore, the internal homogeneity of Australasian microtektites in terms of abundance of relict mineral inclusions, vesicles, and schlieren increases with distance from Indochina. This finding strengthens the current hypothesis that the source crater of the largest and youngest tektite strewn field on Earth is located in the Indochina region, as internal heterogeneity characterizes normal impact glass found in or near the source crater. This finding also indicates that the Australasian microtektites with the longest trajectories underwent the highest temperatures or were heated longer. The definition of microtektites should include the possible occurrence of microscopic relict inclusions as an indication of proximity to the source crater. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.
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