{"id":4498,"date":"2026-03-04T17:40:51","date_gmt":"2026-03-04T16:40:51","guid":{"rendered":"https:\/\/www.aucoffre.com\/academie\/?p=4498"},"modified":"2026-03-04T17:43:06","modified_gmt":"2026-03-04T16:43:06","slug":"extraction-mines-argent","status":"publish","type":"post","link":"https:\/\/www.aucoffre.com\/academie\/extraction-mines-argent\/","title":{"rendered":"Comment l\u2019argent m\u00e9tal est-il extrait\u00a0?"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">Comment l\u2019argent m\u00e9tal est-il extrait&nbsp;?<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Au d\u00e9but de l\u2019ann\u00e9e 2026, le Silver Institute a une nouvelle fois communiqu\u00e9 sur un <strong>d\u00e9ficit de l\u2019offre en argent<\/strong>. Selon l\u2019organisation internationale, la production mini\u00e8re et le recyclage ne parviennent pas \u00e0 r\u00e9pondre \u00e0 une <strong>demande en hausse<\/strong> et ce, pour la 6<sup>e<\/sup> ann\u00e9e cons\u00e9cutive.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans un contexte o\u00f9 l\u2019argent est de plus en plus strat\u00e9gique, pourquoi est-il <strong>si difficile d\u2019augmenter les quantit\u00e9s extraites<\/strong> chaque ann\u00e9e&nbsp;? L\u2019explication r\u00e9side dans la nature m\u00eame de l\u2019argent, un m\u00e9tal pr\u00e9cieux qui se rar\u00e9fie. L\u2019Acad\u00e9mie fait le tour des informations \u00e0 conna\u00eetre sur <strong>l\u2019extraction argentif\u00e8re.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ce qu\u2019il faut retenir<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L\u2019argent, c\u2019est avant tout un m\u00e9tal rarement extrait seul. Pr\u00e8s de 75 % de la production mondiale provient en fait de mines de plomb, de cuivre ou encore de zinc.<\/li>\n\n\n\n<li>L\u2019argent est un \u00ab\u00a0sous-produit\u00a0\u00bb de l\u2019industrie mini\u00e8re, et cela explique pourquoi il peut \u00eatre complexe d\u2019augmenter la production argentif\u00e8re.<\/li>\n\n\n\n<li>Comme l\u2019or, l\u2019argent provient de gisements qui s\u2019\u00e9puisent\u00a0: ils sont de plus en plus complexes \u2013 et donc co\u00fbteux \u2013 \u00e0 exploiter. M\u00eame avec une demande en argent tr\u00e8s soutenue\u00a0!<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">L\u2019argent&nbsp;: un m\u00e9tal pr\u00e9cieux issu de l\u2019extraction d\u2019autres m\u00e9taux<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">D\u2019o\u00f9 vient l\u2019argent utilis\u00e9 pour les pi\u00e8ces d\u2019investissement, les bijoux ou les composants \u00e9lectroniques&nbsp;? Tr\u00e8s rarement d\u2019une p\u00e9pite. L\u2019argent provient le plus souvent de mines de plomb, de zinc, de cuivre\u2026 ou d\u2019or.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Sous quelle forme se trouve l\u2019argent m\u00e9tal&nbsp;?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019argent m\u00e9tal se pr\u00e9sente rarement sous une forme tr\u00e8s pure. Ce m\u00e9tal a en effet la particularit\u00e9 d\u2019\u00eatre beaucoup plus souvent incorpor\u00e9 \u00e0 d\u2019autres composants min\u00e9raux. Il est pr\u00e9sent dans les minerais sulfur\u00e9s (argentite, pyrargyrite, proustite\u2026) ou dans la gal\u00e8ne argentif\u00e8re (du sulfure de plomb additionn\u00e9 d\u2019argent), \u00e0 des concentrations diverses. Dans les diff\u00e9rentes mines \u00e0 travers le monde, l\u2019argent est donc majoritairement <strong>extrait en m\u00eame temps que le plomb, le cuivre, le zinc et <a href=\"https:\/\/www.aucoffre.com\/or?utm_source=academie&amp;utm_medium=article\">l\u2019or<\/a>.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En France par exemple, l\u2019argent a bien \u00e9t\u00e9 exploit\u00e9 dans les sous-sols de l\u2019Hexagone, depuis l\u2019Antiquit\u00e9 jusqu\u2019\u00e0 la fin du si\u00e8cle dernier. Mais il s\u2019agissait surtout de mines de plomb ou de cuivre argentif\u00e8re. Dans les Vosges, les Deux-S\u00e8vres ou encore en Sa\u00f4ne-et-Loire, celles-ci ont aliment\u00e9 les caisses des rois de France pendant des si\u00e8cles.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Bon \u00e0 savoir\u00a0: quelles sont <a href=\"https:\/\/www.aucoffre.com\/argent?utm_source=academie&amp;utm_medium=article\">les pi\u00e8ces en argent<\/a> les plus r\u00e9put\u00e9es\u00a0?<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">Les grandes m\u00e9thodes d\u2019extraction argentif\u00e8re<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les mines peuvent \u00eatre <strong>souterraines (galeries) ou \u00e0 ciel ouvert (open pit)<\/strong>. L\u2019exploitation se d\u00e9roule en deux temps&nbsp;:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L\u2019extraction \u00e0 proprement parler, c\u2019est-\u00e0-dire la r\u00e9cup\u00e9ration des diff\u00e9rents minerais\u00a0;<\/li>\n\n\n\n<li>Leur traitement afin de les s\u00e9parer.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Les minerais sont ensuite concass\u00e9s et broy\u00e9s, puis trait\u00e9s par flottation. Cette technique permet d\u2019obtenir un concentr\u00e9 polym\u00e9tallique. Le travail n\u2019est pas fini&nbsp;: il faut ensuite purifier l\u2019argent. C\u2019est l\u00e0 que, selon la m\u00e9thode utilis\u00e9e, des produits chimiques peuvent \u00eatre utilis\u00e9s. Notamment le cyanure, pour les gisements or-argent ou pour ceux qui pr\u00e9sentent une faible teneur en argent. L\u2019affinage final, par \u00e9lectrolyse ou coupellation, permet enfin d\u2019obtenir un m\u00e9tal pur \u00e0 99,9 %.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Quels pays produisent le plus d\u2019argent dans le monde&nbsp;?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le Mexique figure au premier rang des <strong>pays producteurs d\u2019argent<\/strong>&nbsp;: 185,7 millions d\u2019onces en 2024. Le pays se situe sur l\u2019une des plus longues ceintures volcaniques, et les mouvements des plaques ont favoris\u00e9 l\u2019affleurement de min\u00e9raux divers. Si bien qu\u2019une centaine de mines de plomb, de cuivre et de zinc sont exploit\u00e9es, dont certaines sont particuli\u00e8rement riches en argent. C\u2019est le cas de la mine de Penasquito, une mine \u00e0 ciel ouvert qui a produit plus de 20 millions d\u2019onces d\u2019argent en 2023. Les galeries de la mine de Juanicipio ont permis d\u2019extraire pr\u00e8s de 15 millions d\u2019onces la m\u00eame ann\u00e9e.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La Chine (110,1 millions d\u2019onces) et le P\u00e9rou (108 millions d\u2019onces en 2024) compl\u00e8tent le podium. La majeure partie de la <strong>production mondiale d\u2019argent<\/strong> provient ensuite de Bolivie et du Chili, de Pologne, de Russie, d\u2019Australie et des \u00c9tats-Unis. En Europe, deux pays figurent dans le top 20 mondial&nbsp;: l\u2019Espagne et le Portugal, qui ont extrait 3,5 millions d\u2019onces d\u2019argent de leur sous-sol en 2024.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u2019argent, un m\u00e9tal pr\u00e9cieux dont la production est limit\u00e9e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">En 2024, 819,7 millions d\u2019onces d\u2019argent ont \u00e9t\u00e9 extraites dans le monde, selon les chiffres du Silver Institute. Une offre qui tend \u00e0 diminuer d\u2019ann\u00e9e en ann\u00e9e&nbsp;: en 2015, la production mini\u00e8re avait atteint 886 millions d\u2019onces. Et m\u00eame si le Silver Institute s\u2019attendait \u00e0 une l\u00e9g\u00e8re hausse de la production fin 2025, celle-ci restera limit\u00e9e, et voici pourquoi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Comme l\u2019or, l\u2019argent est un m\u00e9tal de plus en plus rare<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Il arrive encore que les industries mini\u00e8res annoncent de nouveaux gisements d\u2019exception. C\u2019\u00e9tait le cas en juillet 2025, lorsque les entreprises Lundin Mining (Canada) et BHP (Australie) ont annonc\u00e9 la d\u00e9couverte d\u2019un gigantesque gisement de cuivre, d\u2019or et d\u2019argent&nbsp;au Chili. Situ\u00e9 dans les Andes, il pourrait permettre d\u2019extraire 32 millions d\u2019onces d\u2019or et 659 millions d\u2019onces d\u2019argent.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mais les industries argentif\u00e8res doivent d\u00e9sormais composer avec la r\u00e9alit\u00e9 g\u00e9ologique&nbsp;: <strong>les gisements sont de plus en plus rares et de moins en moins accessibles<\/strong>. Ceux qui pr\u00e9sentaient une teneur en argent \u00e9lev\u00e9e \u2013 et qui sont donc les plus int\u00e9ressants \u2013 ont d\u00e9j\u00e0 \u00e9t\u00e9 exploit\u00e9s.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Bon \u00e0 savoir<\/strong>\u00a0: le recyclage repr\u00e9sente une partie importante de l\u2019offre mondiale, avec 193,9 millions d\u2019onces en 2024. Mais le processus est encore complexe et co\u00fbteux pour certains produits (\u00e9lectronique notamment).<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">Extraire plus d\u2019argent, c\u2019est exploiter d\u2019autres min\u00e9raux devenus trop co\u00fbteux<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019or est majoritairement extrait dans des mines primaires, c\u2019est-\u00e0-dire majoritairement destin\u00e9es \u00e0 la production du m\u00e9tal pr\u00e9cieux. Dans le cas de l\u2019argent, le paradigme est tout autre&nbsp;: l\u2019argent est un <strong>sous-produit de l\u2019extraction de plomb, de cuivre ou de zinc<\/strong>. Seul un quart de l\u2019argent provient d\u2019exploitations essentiellement argentif\u00e8res.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Des mat\u00e9riaux tels que le plomb, le cuivre ou le zinc ne sont pas aussi recherch\u00e9s que l\u2019argent (ou l\u2019or bien s\u00fbr). Leur demande d\u00e9pend surtout de la dynamique industrielle mondiale. Si <a href=\"https:\/\/www.aucoffre.com\/academie\/cuivre-investissement-metal-strategique-oublie\/\">le march\u00e9 du cuivre<\/a> recule par exemple, la production de cuivre diminue&#8230; et celle de l\u2019argent aussi. Cela r\u00e9duit d\u2019autant la capacit\u00e9 \u00e0 augmenter l\u2019offre.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Des contraintes environnementales de plus en plus importantes<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Lorsque les normes environnementales sont renforc\u00e9es, les industries doivent composer avec des contraintes sur les usages de l\u2019eau ou une limitation des produits chimiques (cyanure notamment). Il s\u2019agit bien s\u00fbr de <strong>mieux prot\u00e9ger l\u2019environnement<\/strong>, de limiter les produits toxiques et la pollution des sols. Pour les industries, cela implique de mettre en place des mesures de protection de l\u2019environnement, qui alourdissent les co\u00fbts et allongent les d\u00e9lais. Certaines op\u00e9rations deviennent ainsi moins rentables.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019extraction argentif\u00e8re se trouve ainsi face \u00e0 un paradoxe&nbsp;: une <strong>demande en argent qui ne cesse d\u2019augmenter,<\/strong> face \u00e0 une offre qui ne peut plus suivre.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Sources\u00a0:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/silverinstitute.org\/silver-supply-demand\/\" target=\"_blank\" rel=\"noreferrer noopener\">Silver Institute<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.mining-technology.com\/data-insights\/five-largest-silver-mines-mexico\/\" target=\"_blank\" rel=\"noreferrer noopener\">Mining-technology.com<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.usgs.gov\/\" target=\"_blank\" rel=\"noreferrer noopener\">US Geological Survey<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><a id=\"_msocom_1\"><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Comment l\u2019argent m\u00e9tal est-il extrait&nbsp;? Au d\u00e9but de l\u2019ann\u00e9e 2026, le Silver Institute a une nouvelle fois communiqu\u00e9 sur un d\u00e9ficit de l\u2019offre en argent. Selon l\u2019organisation internationale, la production mini\u00e8re et le recyclage ne parviennent pas \u00e0 r\u00e9pondre \u00e0 une demande en hausse et ce, pour la 6e ann\u00e9e cons\u00e9cutive. Dans un contexte o\u00f9 [&hellip;]<\/p>\n","protected":false},"author":33,"featured_media":4502,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","jnews-multi-image_gallery":[],"jnews_single_post":{"subtitle":"","format":"standard","video":"","gallery":"","source_name":"","source_url":"","via_name":"","via_url":"","override_template":"0","override":[{"template":"8","single_blog_custom":"","parallax":"1","fullscreen":"0","layout":"no-sidebar-narrow","sidebar":"default-sidebar","second_sidebar":"default-sidebar","sticky_sidebar":"1","share_position":"bottom","share_float_style":"share-monocrhome","show_share_counter":"1","show_view_counter":"1","show_featured":"1","show_post_meta":"1","show_post_author":"0","show_post_author_image":"1","show_post_date":"1","post_date_format":"default","post_date_format_custom":"Y\/m\/d","show_post_category":"1","show_post_reading_time":"1","post_reading_time_wpm":"300","show_zoom_button":"0","zoom_button_out_step":"2","zoom_button_in_step":"3","show_post_tag":"1","show_prev_next_post":"1","show_popup_post":"1","number_popup_post":"2","show_author_box":"1","show_post_related":"1","show_inline_post_related":"0"}],"override_image_size":"0","image_override":[{"single_post_thumbnail_size":"crop-500","single_post_gallery_size":"crop-500"}],"trending_post":"0","trending_post_position":"meta","trending_post_label":"Trending","sponsored_post":"0","sponsored_post_label":"Sponsored by","sponsored_post_name":"","sponsored_post_url":"","sponsored_post_logo_enable":"0","sponsored_post_logo":"","sponsored_post_desc":"","disable_ad":"0"},"jnews_primary_category":{"id":"","hide":""},"jnews_social_meta":{"fb_title":"","fb_description":"","fb_image":"","twitter_title":"","twitter_description":"","twitter_image":""},"jnews_override_counter":{"override_view_counter":"0","view_counter_number":"0","override_share_counter":"0","share_counter_number":"0","override_like_counter":"0","like_counter_number":"0","override_dislike_counter":"0","dislike_counter_number":"0"},"footnotes":""},"categories":[80],"tags":[],"niveau":[],"class_list":["post-4498","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-univers-metaux-precieux"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Comment l&#039;argent m\u00e9tal est-il extrait ?<\/title>\n<meta name=\"description\" content=\"L\u2019argent est de plus en plus strat\u00e9gique... mais pourquoi est-il si difficile d\u2019augmenter les quantit\u00e9s extraites chaque ann\u00e9e ? 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