{"id":174,"date":"2025-12-11T13:29:37","date_gmt":"2025-12-11T12:29:37","guid":{"rendered":"https:\/\/geops.geol.u-psud.fr\/br\/?p=174"},"modified":"2026-03-03T16:42:28","modified_gmt":"2026-03-03T15:42:28","slug":"uralod","status":"publish","type":"post","link":"https:\/\/geops.geol.u-psud.fr\/br\/2025\/12\/11\/uralod\/","title":{"rendered":"URALOD"},"content":{"rendered":"<h3><strong>Le syst\u00e8me uranif\u00e8re du bassin de Lod\u00e8ve revisit\u00e9 : origine, conditions de mobilisation, de transport, de pi\u00e9geage et de re-mobilisation (URALOD)<\/strong><\/h3>\n<p>Par la synergie de trois \u00e9quipes fortes (G\u00e9osciences Paris-Saclay, G\u00e9osciences Montpellier et G\u00e9osciences Rennes), UraLod ambitionne de revisiter le syst\u00e8me uranif\u00e8re du bassin permien de Lod\u00e8ve en couplant concepts et m\u00e9thodes modernes pour aboutir \u00e0 un mod\u00e8le m\u00e9tallog\u00e9nique int\u00e9gr\u00e9. Par ailleurs, ce projet b\u00e9n\u00e9ficiera des d\u00e9veloppements m\u00e9thodologiques du projet structurant UraMod (programme du CNRS NEEDS\u00a0: <a href=\"https:\/\/needs.in2p3.fr\/\">https:\/\/needs.in2p3.fr\/<\/a>).<\/p>\n<p>Les travaux les plus r\u00e9cents sur les min\u00e9ralisations Ba\/sulfures du bassin montrent que la mobilisation principale des fluides et m\u00e9taux est associ\u00e9e \u00e0 la phase de rifting permien et est cachet\u00e9e par le Trias moyen. Les \u00e2ges jurassiques ou cr\u00e9tac\u00e9s obtenus par U-Pb dans les ann\u00e9es 90 ne semblent donc pas correspondre \u00e0 des p\u00e9riodes principales de mise en place des min\u00e9ralisations uranif\u00e8res.<\/p>\n<p>Ce projet propose de d\u00e9finir l\u2019origine, les conditions de mobilisation, de transport, de pi\u00e9geage et de re-mobilisation de l\u2019uranium du bassin de Lod\u00e8ve : autrement dit, d\u2019\u00e9tablir un mod\u00e8le m\u00e9tallog\u00e9nique coh\u00e9rent, inexistant \u00e0 ce jour.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-175\" src=\"https:\/\/geops.geol.u-psud.fr\/br\/wp-content\/uploads\/sites\/2\/2025\/12\/Fig-projet-3-8-300x176.png\" alt=\"\" width=\"769\" height=\"451\" srcset=\"https:\/\/geops.geol.u-psud.fr\/br\/wp-content\/uploads\/sites\/2\/2025\/12\/Fig-projet-3-8-200x118.png 200w, https:\/\/geops.geol.u-psud.fr\/br\/wp-content\/uploads\/sites\/2\/2025\/12\/Fig-projet-3-8-300x176.png 300w, https:\/\/geops.geol.u-psud.fr\/br\/wp-content\/uploads\/sites\/2\/2025\/12\/Fig-projet-3-8-400x235.png 400w, https:\/\/geops.geol.u-psud.fr\/br\/wp-content\/uploads\/sites\/2\/2025\/12\/Fig-projet-3-8-600x353.png 600w, https:\/\/geops.geol.u-psud.fr\/br\/wp-content\/uploads\/sites\/2\/2025\/12\/Fig-projet-3-8-768x451.png 768w, https:\/\/geops.geol.u-psud.fr\/br\/wp-content\/uploads\/sites\/2\/2025\/12\/Fig-projet-3-8-800x470.png 800w, https:\/\/geops.geol.u-psud.fr\/br\/wp-content\/uploads\/sites\/2\/2025\/12\/Fig-projet-3-8-1024x602.png 1024w, https:\/\/geops.geol.u-psud.fr\/br\/wp-content\/uploads\/sites\/2\/2025\/12\/Fig-projet-3-8-1200x705.png 1200w, https:\/\/geops.geol.u-psud.fr\/br\/wp-content\/uploads\/sites\/2\/2025\/12\/Fig-projet-3-8-1536x903.png 1536w, https:\/\/geops.geol.u-psud.fr\/br\/wp-content\/uploads\/sites\/2\/2025\/12\/Fig-projet-3-8.png 1783w\" sizes=\"(max-width: 769px) 100vw, 769px\" \/><\/p>\n<p>Mots cl\u00e9s : Uranium, Lod\u00e8ve, ressources, m\u00e9tallog\u00e9nie, datation, circulation de fluides, mod\u00e9lisation num\u00e9rique, NEEDS.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Porteur<\/strong>\u00a0:\u00a0Antonio Benedicto<\/p>\n<p><strong>Source de financement<\/strong>\u00a0: Programme du CNRS NEEDS <a href=\"https:\/\/needs.in2p3.fr\/\">https:\/\/needs.in2p3.fr\/<\/a><\/p>\n<p><strong>Personnels impliqu\u00e9s \u00e0 GEOPS\u00a0: <\/strong>Antonio Benedicto, Paul Coutable (Doctorant)<\/p>\n<p><strong>Collaboration avec<\/strong>\u00a0:<\/p>\n<p>G\u00e9osciences Rennes : Philippe Boulvais, Fr\u00e9d\u00e9rique Moureau, Yanick Branquet et Christian Le Carlier De Veslud<\/p>\n<p>G\u00e9osciences Montpellier\u00a0: Gregory Ballas, Michel Lopez<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le syst\u00e8me uranif\u00e8re du bassin de Lod\u00e8ve revisit\u00e9 : origine,  [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-174","post","type-post","status-publish","format-standard","hentry","category-geologie-ressource"],"_links":{"self":[{"href":"https:\/\/geops.geol.u-psud.fr\/br\/wp-json\/wp\/v2\/posts\/174","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/geops.geol.u-psud.fr\/br\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/geops.geol.u-psud.fr\/br\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/geops.geol.u-psud.fr\/br\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/geops.geol.u-psud.fr\/br\/wp-json\/wp\/v2\/comments?post=174"}],"version-history":[{"count":1,"href":"https:\/\/geops.geol.u-psud.fr\/br\/wp-json\/wp\/v2\/posts\/174\/revisions"}],"predecessor-version":[{"id":176,"href":"https:\/\/geops.geol.u-psud.fr\/br\/wp-json\/wp\/v2\/posts\/174\/revisions\/176"}],"wp:attachment":[{"href":"https:\/\/geops.geol.u-psud.fr\/br\/wp-json\/wp\/v2\/media?parent=174"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/geops.geol.u-psud.fr\/br\/wp-json\/wp\/v2\/categories?post=174"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/geops.geol.u-psud.fr\/br\/wp-json\/wp\/v2\/tags?post=174"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}