{"id":255,"date":"2026-07-30T14:02:34","date_gmt":"2026-07-30T14:02:34","guid":{"rendered":"https:\/\/simandounews.net\/?p=255"},"modified":"2026-07-30T14:02:39","modified_gmt":"2026-07-30T14:02:39","slug":"mineraux-critiques-les-etats-unis-simplantent-a-madagascar-face-a-la-chine","status":"publish","type":"post","link":"https:\/\/simandounews.net\/?p=255","title":{"rendered":"Min\u00e9raux critiques : les \u00c9tats-Unis s&rsquo;implantent \u00e0 Madagascar face \u00e0 la Chine"},"content":{"rendered":"\n<p class=\"has-medium-font-size wp-block-paragraph\">Le gouvernement am\u00e9ricain, \u00e0 travers sa Soci\u00e9t\u00e9 de financement du d\u00e9veloppement international (DFC), s&rsquo;est engag\u00e9 \u00e0 verser jusqu&rsquo;\u00e0 4,84 millions de dollars pour soutenir le projet de terres rares d&rsquo;Ampasindava \u00e0 Madagascar, d\u00e9velopp\u00e9 par la soci\u00e9t\u00e9 britannique Harena Rare Earths. Ce financement, destin\u00e9 \u00e0 une usine pilote, des essais en laboratoire et des programmes environnementaux, vise \u00e0 pr\u00e9parer le terrain pour un soutien financier plus important par la suite. Selon un porte-parole du d\u00e9partement d&rsquo;\u00c9tat cit\u00e9 par Reuters, cet investissement traduit la volont\u00e9 de Washington de renforcer sa pr\u00e9sence dans les secteurs miniers africains, un terrain longtemps domin\u00e9 par des puissances rivales, et de multiplier les opportunit\u00e9s similaires ailleurs sur le continent.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Le gisement d&rsquo;Ampasindava, riche en argile ionique, contient du n\u00e9odyme, du pras\u00e9odyme, du dysprosium et du terbium \u2014 des terres rares essentielles \u00e0 la fabrication d&rsquo;aimants permanents pour v\u00e9hicules \u00e9lectriques, \u00e9oliennes et \u00e9quipements militaires de pointe. Face \u00e0 la domination chinoise sur l&rsquo;extraction et le raffinage mondial de ces min\u00e9raux, renforc\u00e9e par des restrictions \u00e0 l&rsquo;exportation, les pays occidentaux cherchent activement des alternatives d&rsquo;approvisionnement. Harena vise une production annuelle d&rsquo;environ 4 000 tonnes d&rsquo;oxydes de terres rares, dont 1 700 tonnes de compos\u00e9s magn\u00e9tiques \u00e0 forte valeur, avec un permis d&rsquo;exploitation attendu sous peu et un d\u00e9marrage de production vis\u00e9 pour mi-2028.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Au-del\u00e0 du financement initial, encore modeste face aux 150 millions de dollars n\u00e9cessaires au d\u00e9veloppement du projet, la soci\u00e9t\u00e9 explore des partenariats de raffinage aux \u00c9tats-Unis et en Europe, notamment avec MP Materials, USA Rare Earth et Solvay. Ce dossier illustre une tendance plus large : apr\u00e8s des ann\u00e9es de supr\u00e9matie chinoise sur le cuivre, le cobalt et le lithium africains, les gouvernements occidentaux misent d\u00e9sormais sur les terres rares pour diversifier leurs cha\u00eenes d&rsquo;approvisionnement strat\u00e9giques.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le gouvernement am\u00e9ricain, \u00e0 travers sa Soci\u00e9t\u00e9 de financement du d\u00e9veloppement international (DFC), s&rsquo;est engag\u00e9 \u00e0 verser jusqu&rsquo;\u00e0 4,84 millions de dollars pour soutenir&hellip;<\/p>\n","protected":false},"author":1,"featured_media":256,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_sn_subtitle":"","_sn_youtube":"","_sn_is_premium":false,"_sn_featured":"1","_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[3],"tags":[],"sn_format":[],"class_list":["post-255","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mines"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - 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