{"id":4641,"date":"2019-06-13T09:11:58","date_gmt":"2019-06-13T01:11:58","guid":{"rendered":"http:\/\/www.jxscmachine.com\/?post_type=new&#038;p=4641"},"modified":"2019-06-13T14:56:17","modified_gmt":"2019-06-13T06:56:17","slug":"principales-reserves-minerales-de-terres-rares-par-pays-2019","status":"publish","type":"new","link":"https:\/\/www.jxscmachine.com\/fr\/new\/top-rare-earth-mineral-reserves-by-country-2019\/","title":{"rendered":"Principales r\u00e9serves min\u00e9rales de terres rares par pays 2019"},"content":{"rendered":"<p>En 2019, le monde disposait de 130 millions de tonnes de minerai de terres rares, la Chine repr\u00e9sentant 42,31% des r\u00e9serves mondiales, le Br\u00e9sil 16,92% et l'Australie 2,46%, selon l'U.S. Geological Survey. En outre, l'augmentation de la norme industrielle a fait chuter les r\u00e9serves am\u00e9ricaines de 13 millions de tonnes \u00e0 1,8 million de tonnes et leur part dans les r\u00e9serves est pass\u00e9e de 9,29% en 2013 \u00e0 1,38% en 2015. En r\u00e9sum\u00e9, les principaux producteurs de terres rares sont la Chine, l'Australie et les \u00c9tats-Unis.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4643\" src=\"https:\/\/www.jxscmachine.com\/wp-content\/uploads\/2019\/06\/rare-earth-mineral-element.jpg\" alt=\"\u00e9l\u00e9ment min\u00e9ral de terre rare\" width=\"466\" height=\"290\" srcset=\"https:\/\/www.jxscmachine.com\/wp-content\/uploads\/2019\/06\/rare-earth-mineral-element.jpg 466w, https:\/\/www.jxscmachine.com\/wp-content\/uploads\/2019\/06\/rare-earth-mineral-element-300x187.jpg 300w\" sizes=\"auto, (max-width: 466px) 100vw, 466px\" \/><br \/>\nLes \u00e9l\u00e9ments de terres rares, \u00e9galement appel\u00e9s m\u00e9taux de terres rares, sont un groupe de 17 \u00e9l\u00e9ments chimiques. Ces derni\u00e8res ann\u00e9es, les pays du monde entier ont augment\u00e9 l'intensit\u00e9 de l'exploration des min\u00e9raux de terres rares. L'Asie du Sud-Est, l'Afrique et les pays d'Am\u00e9rique du Sud continuent de trouver de nouvelles mines de terres rares.<br \/>\n<a href=\"https:\/\/www.jxscmachine.com\/fr\/nouveau\/quest-ce-quun-element-de-terre-rare\/\">Savez-vous \u00e0 quoi servent les min\u00e9raux de terres rares ?<\/a> - cliquer<\/p>\n<ul>\n<li><strong>Chine<\/strong> poss\u00e8de plus de 40% de ressources en terres rares, et sa production et ses r\u00e9serves se classent au premier rang mondial. Riches en \u00e9l\u00e9ments de terres rares, vastes r\u00e9serves. Les principales mines se trouvent dans la province de Mongolie int\u00e9rieure, la province de Shandong, la province de Sichuan, les provinces m\u00e9ridionales, et les gisements de placers c\u00f4tiers le long du littoral. Les principaux min\u00e9raux sont la bastnaesite, la monazite, la barytine, etc.<\/li>\n<li><strong>Australie<\/strong>Les min\u00e9raux de terres rares de l'UE sont principalement la monazite, r\u00e9cup\u00e9r\u00e9e en grande partie \u00e0 partir de sous-produits de la production de rutile, de zircon et d'ilm\u00e9nite. Les principaux gisements comprennent la mine d'alt\u00e9ration de carbonate de Mount Weld, les gisements de placers de la c\u00f4te est et de la c\u00f4te ouest. On trouve \u00e9galement des r\u00e9sidus de x\u00e9notime et d'uranium.<\/li>\n<li><strong>Les \u00c9tats-Unis<\/strong> contient de la bastna\u00e9site, de la monazite, de la gadolinite, de l'eux\u00e9nite, du x\u00e9notime, etc. Elles sont principalement r\u00e9parties en Floride, Caroline du Sud, Caroline du Nord, Idaho, Montana et G\u00e9orgie, etc.<\/li>\n<li><strong>Russie<\/strong> poss\u00e8de d'importantes r\u00e9serves de min\u00e9raux de terres rares, principalement de l'apatite dans les roches alcalines, ainsi que des ressources de 29% ~ 34% de c\u00e9rium-niobium-perovskite dans les minerais d'apatite.<\/li>\n<li><strong>Inde<\/strong> La production de monazite a commenc\u00e9 en 1911, ce qui en fait l'un des premiers producteurs de terres rares au monde. Les principaux gisements sont de type plac\u00e9rien et se trouvent principalement dans les r\u00e9gions de Madras, d'Orissa et de Kerala. En outre, les plus grands gisements sont situ\u00e9s dans la province de Teulat, sur la c\u00f4te ouest de l'Inde du Sud. Entre 1911 et 1945, l'Inde a fourni la moiti\u00e9 de la production mondiale. En 1958, un \u00e9norme gisement de monazite et d'ilm\u00e9nite a \u00e9t\u00e9 d\u00e9couvert sur le plateau de Ranchi, ce qui en fait aujourd'hui la principale source de monazite en Inde.<\/li>\n<li><strong>Afrique du Sud<\/strong> est le plus important producteur de terres rares d'Afrique. Le seul gisement de terres rares \u00e0 veine unique au monde, la monazite, est situ\u00e9 dans la r\u00e9gion de Steenkampsklar, dans la province du Cap, et constitue une source majeure de monazite en Afrique. En outre, la bastna\u00e9site et la monazite sont associ\u00e9es \u00e0 la fluorine de buffle.<\/li>\n<li>Il existe peu de gisements ind\u00e9pendants de terres rares en <strong>Canada<\/strong>L'industrie de l'extraction de l'uranium, qui r\u00e9cup\u00e8re principalement les terres rares des sous-produits de l'extraction de l'uranium, dont les gisements d'uranium de l'Ontario sont la principale source, est en pleine expansion. Elle se compose principalement d'ilm\u00e9nite, de pechblende, de monazite et de phosphate d'yttrium. Les terres rares sont extraites comme sous-produits, tandis que l'uranium est extrait par la m\u00e9thode humide. En outre, le lac strange, situ\u00e9 dans les provinces de Terre-Neuve et du Labrador, est riche en yttrium et en barytine, et le pyrochlore de la r\u00e9gion d'Awka, \u00e0 Richmond, constitue \u00e9galement une importante ressource potentielle de terres rares.<\/li>\n<\/ul>\n<p>Avec le d\u00e9veloppement rapide de l'\u00e9conomie et de la technologie dans le monde, les pays industriels d\u00e9velopp\u00e9s ont d\u00e9plac\u00e9 l'impulsion de la croissance \u00e9conomique vers les domaines de l'industrie de la d\u00e9fense et des technologies de pointe. Les terres rares jouent un r\u00f4le irrempla\u00e7able dans plus de 30 domaines industriels li\u00e9s \u00e0 la d\u00e9fense nationale et \u00e0 la haute technologie en raison de leurs excellentes propri\u00e9t\u00e9s photo\u00e9lectriques. En particulier, le d\u00e9veloppement des nouveaux mat\u00e9riaux, de l'industrie \u00e9lectronique et de l'information, des nouvelles \u00e9nergies, de l'a\u00e9rospatiale, des \u00e9conomies d'\u00e9nergie et de la protection de l'environnement a fortement stimul\u00e9 la demande de produits \u00e0 base de terres rares. Depuis 2010, la demande mondiale de terres rares a augment\u00e9 \u00e0 un taux annuel moyen de 7,1 %, atteignant 180 000 tonnes en 2015. \u00c0 l'avenir, avec l'invention de divers mat\u00e9riaux fonctionnels \u00e0 base de terres rares, ces derni\u00e8res joueront un r\u00f4le encore plus important dans le processus de d\u00e9veloppement \u00e9conomique industriel mondial.<br \/>\n<!--more--><br \/>\n<a href=\"https:\/\/www.jxscmachine.com\/fr\/\">Mat\u00e9riel d'exploitation mini\u00e8re des terres rares<\/a> &#8211; <em>JXSC mine machinery factory<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>En 2019, le monde disposait de 130 millions de tonnes de minerai de terres rares, la Chine repr\u00e9sentant 42,31% des r\u00e9serves mondiales, le Br\u00e9sil 16,92% et l'Australie 2,46%, selon l'U.S. Geological Survey. En outre, l'augmentation de la norme industrielle a fait chuter les r\u00e9serves am\u00e9ricaines de 13 millions de tonnes \u00e0 1,8 million de tonnes et sa part ... <a href=\"https:\/\/www.jxscmachine.com\/fr\/new\/top-rare-earth-mineral-reserves-by-country-2019\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Principales r\u00e9serves min\u00e9rales de terres rares par pays 2019<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":4643,"parent":0,"menu_order":324,"comment_status":"open","ping_status":"open","template":"","format":"standard","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"footnotes":""},"categories":[],"tags":[],"class_list":["post-4641","new","type-new","status-publish","format-standard","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Top Rare Earth Mineral Reserves by Country 2019 - 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