{"id":10179,"date":"2026-04-29T05:36:00","date_gmt":"2026-04-29T04:36:00","guid":{"rendered":"https:\/\/robotechno.casciani.fr\/?p=10179"},"modified":"2026-04-23T05:37:40","modified_gmt":"2026-04-23T04:37:40","slug":"comment-cest-fait-lor-lincroyable-processus-de-transformation-du-minerai-dor-en-lingots","status":"publish","type":"post","link":"https:\/\/robotechno.casciani.fr\/?p=10179","title":{"rendered":"Comment c\u2019est fait : L\u2019Or \u2013 L&rsquo;incroyable processus de transformation du minerai d&rsquo;or en lingots !"},"content":{"rendered":"\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Comment c\u2019est fait : L\u2019Or \u2013 L&#039;incroyable processus de transformation du minerai d&#039;or en lingots !\" width=\"474\" height=\"267\" src=\"https:\/\/www.youtube.com\/embed\/2VkGBJ0cGdE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019or est l\u2019un des m\u00e9taux les plus pr\u00e9cieux au monde\u2026 mais pour obtenir seulement quelques grammes, il faut traiter des tonnes de roche &#x26cf;&#xfe0f;<br \/>Un chiffre qui donne le vertige.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mais d\u2019o\u00f9 vient r\u00e9ellement l\u2019or ?<br \/>Comment ce m\u00e9tal a-t-il \u00e9t\u00e9 cr\u00e9\u00e9\u2026 bien avant la naissance de la Terre ?<br \/>Et surtout, comment passe-t-on d\u2019une simple roche \u00e0 un lingot pur \u00e0 99,99% ?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans ce documentaire, vous allez d\u00e9couvrir le voyage incroyable de l\u2019or, depuis les explosions cosmiques jusqu\u2019aux coffres des banques.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Au programme :<br \/>&#x1f30c; Origine de l\u2019or dans les supernovas<br \/>&#x1f30d; Formation des gisements dans la cro\u00fbte terrestre<br \/>&#x1f6f0;&#xfe0f; Recherche et exploration des mines<br \/>&#x1f69c; Extraction \u00e0 ciel ouvert et souterraine<br \/>&#x2699;&#xfe0f; Concassage et broyage du minerai<br \/>&#x1f9ea; Extraction chimique (cyanuration, flottation\u2026)<br \/>&#x1f525; Fusion et cr\u00e9ation des lingots<br \/>&#x26a1; Raffinage \u00e9lectrolytique ultra-pr\u00e9cis<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#x1f449; R\u00e9sultat : un m\u00e9tal pur qui symbolise richesse et pouvoir depuis des mill\u00e9naires.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mais derri\u00e8re chaque lingot se cache une r\u00e9alit\u00e9 &#x1f447;<br \/>&#x1f4ac; Apr\u00e8s avoir vu ce processus, trouvez-vous l\u2019or encore plus impressionnant ?<br \/>Ou finalement\u2026 juste un minerai comme un autre ?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u2019or est l\u2019un des m\u00e9taux les plus pr\u00e9cieux au monde\u2026 mais pour obtenir seulement quelques grammes, il faut traiter des tonnes de roche &#x26cf;&#xfe0f;Un chiffre qui donne le vertige. Mais d\u2019o\u00f9 vient r\u00e9ellement l\u2019or ?Comment ce m\u00e9tal a-t-il \u00e9t\u00e9 cr\u00e9\u00e9\u2026 bien avant la naissance de la Terre ?Et surtout, comment passe-t-on d\u2019une simple roche \u00e0 &hellip; <a href=\"https:\/\/robotechno.casciani.fr\/?p=10179\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Comment c\u2019est fait : L\u2019Or \u2013 L&rsquo;incroyable processus de transformation du minerai d&rsquo;or en lingots !<\/span>  <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1293],"tags":[1306,366],"class_list":["post-10179","post","type-post","status-publish","format-standard","hentry","category-technologie","tag-or","tag-technologie"],"_links":{"self":[{"href":"https:\/\/robotechno.casciani.fr\/index.php?rest_route=\/wp\/v2\/posts\/10179","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/robotechno.casciani.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/robotechno.casciani.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/robotechno.casciani.fr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/robotechno.casciani.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10179"}],"version-history":[{"count":1,"href":"https:\/\/robotechno.casciani.fr\/index.php?rest_route=\/wp\/v2\/posts\/10179\/revisions"}],"predecessor-version":[{"id":10181,"href":"https:\/\/robotechno.casciani.fr\/index.php?rest_route=\/wp\/v2\/posts\/10179\/revisions\/10181"}],"wp:attachment":[{"href":"https:\/\/robotechno.casciani.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10179"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/robotechno.casciani.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10179"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/robotechno.casciani.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}