{"id":7206,"date":"2024-09-19T09:56:00","date_gmt":"2024-09-19T07:56:00","guid":{"rendered":"https:\/\/lgf.mines-stetienne.fr\/a-microstructural-characterization-study-in-the-service-of-asteroid-impact-history\/"},"modified":"2026-05-12T15:10:55","modified_gmt":"2026-05-12T13:10:55","slug":"a-microstructural-characterization-study-in-the-service-of-asteroid-impact-history","status":"publish","type":"post","link":"https:\/\/lgf.mines-stetienne.fr\/en\/a-microstructural-characterization-study-in-the-service-of-asteroid-impact-history\/","title":{"rendered":"A microstructural characterization study in the service of asteroid impact history"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Approximately eight hundred thousand years ago, an asteroid impacted the Earth, devastating the Indochinese Peninsula and ejecting droplets from the melting of the Earth&#8217;s surface (tektites, known as australasites) as far as Australia and Antarctica. These tektites have been known since Darwin, but the crater has not yet been found. As part of a collaboration involving the <a href=\"https:\/\/lgltpe.fr\/\">Laboratoire de G\u00e9ologie de Lyon: Terre, Plan\u00e8tes, Environnement (LGL-TPE &#8211; OSUL)<\/a>, the <a href=\"https:\/\/www.cerege.fr\/fr\/\">Centre Europ\u00e9en de Recherche et d&#8217;Enseignement de G\u00e9osciences de l&#8217;Environnement (CEREGE &#8211; OSU Pyth\u00e9as)<\/a>, the <a href=\"https:\/\/lmv.uca.fr\/\">Laboratoire Magmas et Volcans (LMV \u2013 OPGC)<\/a>, the <a href=\"https:\/\/www.get.omp.eu\/\">Laboratoire G\u00e9osciences Environnement Toulouse (GET &#8211; OMP)<\/a>, all affiliated with the <a href=\"https:\/\/www.insu.cnrs.fr\/fr\">Institut National des Sciences de l&#8217;Univers (INSU)<\/a>, and the Georges Friedel Laboratory (affiliated with the <a href=\"https:\/\/www.insis.cnrs.fr\/fr\">CNRS Ing\u00e9nierie<\/a> institute), a nano-scale study of a 50-micron monazite grain (rare earth phosphate), recovered from a large layered tektite from Thailand, has provided major clues for locating this crater.<\/p>\n\n<p class=\"wp-block-paragraph\">To learn more, find this news on the <a href=\"https:\/\/www.insu.cnrs.fr\/fr\">INSU<\/a> website: <a href=\"https:\/\/www.insu.cnrs.fr\/fr\/cnrsinfo\/la-recherche-du-cratere-perdu-des-australasites-letude-dune-monazite\">https:\/\/www.insu.cnrs.fr\/fr\/cnrsinfo\/la-recherche-du-cratere-perdu-des-australasites-letude-dune-monazite<\/a><\/p>\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Approximately eight hundred thousand years ago, an asteroid impacted the Earth, devastating the Indochinese Peninsula and ejecting droplets from the melting of the Earth&#8217;s surface (tektites, known as australasites) as far as Australia and Antarctica. These tektites have been known since Darwin, but the crater has not yet been found. As part of a collaboration&hellip;<\/p>\n","protected":false},"author":1474,"featured_media":7207,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"categories":[87],"tags":[88],"class_list":["post-7206","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-slide-home","entry","has-media"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>A microstructural characterization study in the service of asteroid impact history &#8211; Laboratoire Georges Friedel<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lgf.mines-stetienne.fr\/en\/a-microstructural-characterization-study-in-the-service-of-asteroid-impact-history\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A microstructural characterization study in the service of asteroid impact history &#8211; Laboratoire Georges Friedel\" \/>\n<meta property=\"og:description\" content=\"Approximately eight hundred thousand years ago, an asteroid impacted the Earth, devastating the Indochinese Peninsula and ejecting droplets from the melting of the Earth&#8217;s surface (tektites, known as australasites) as far as Australia and Antarctica. These tektites have been known since Darwin, but the crater has not yet been found. 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