{"id":880,"date":"2017-09-26T00:00:00","date_gmt":"2017-09-26T00:00:00","guid":{"rendered":"https:\/\/amq-inc.com\/goldex-mine\/"},"modified":"2017-09-26T00:00:00","modified_gmt":"2017-09-26T00:00:00","slug":"goldex-mine","status":"publish","type":"post","link":"https:\/\/amq-inc.com\/en\/goldex-mine\/","title":{"rendered":"Goldex mine"},"content":{"rendered":"<div id=\"mine-goldex-image-1\" class=\"fiche-image-ctn\"><img decoding=\"async\" class=\"fiche-image\" src=\"http:\/\/archive.minesqc.com\/workspace\/uploads\/fiches\/images\/goldex-1390248733.jpg\" alt=\"Source: Agnico Eagle\" \/><\/div>\n<div id=\"mine-goldex-texte-1\" class=\"fiche-paragraphe-ctn\">\n<p>Situ\u00e9es \u00e0 60 kilom\u00e8tres \u00e0 l\u2019est de la mine LaRonde, \u00e0\u00a0<a href=\"https:\/\/ville.valdor.qc.ca\/\" target=\"_blank\" rel=\"noopener noreferrer\">Val d\u2019Or<\/a>, en\u00a0<a href=\"http:\/\/fr.wikipedia.org\/wiki\/Abitibi-T%C3%A9miscamingue\" target=\"_blank\" rel=\"noopener noreferrer\">Abitibi-T\u00e9miscamingue<\/a>, les installations Goldex de Mines Agnico Eagle comprennent une mine souterraine, une usine de traitement de minerai et une usine de remblai en p\u00e2te. Cette mine produit de l\u2019or.<\/p>\n<p>En 2011, Agnico Eagle a d\u00fb suspendre ses activit\u00e9s \u00e0 Goldex en raison de probl\u00e8mes d\u2019infiltration d\u2019eau et de stabilit\u00e9 du sol. Deux ans plus tard, ayant apport\u00e9 des modifications pour offrir un environnement s\u00e9curitaire \u00e0 la communaut\u00e9 ainsi qu\u2019aux employ\u00e9s, l\u2019entreprise a remis sur pied les activit\u00e9s de la mine.<\/p>\n<p>Les op\u00e9rations ont pu reprendre en 2013 dans de nouvelles zones (M et E) avec une m\u00e9thode d\u2019exploitation commune et r\u00e9pandue dans l\u2019industrie mini\u00e8re, soit la m\u00e9thode de chantiers remblay\u00e9s. Ces zones sont exploit\u00e9es au moyen de forage par long trou et remblayage en p\u00e2te. En effet, les r\u00e9sidus miniers produits sont m\u00e9lang\u00e9s \u00e0 du ciment pour former du remblai en p\u00e2te qui est par la suite utilis\u00e9 pour remblayer (ou boucher) les chantiers souterrains et assurer une stabilit\u00e9 \u00e0 long terme.<\/p>\n<p>Le traitement du minerai commence par un proc\u00e9d\u00e9 de\u00a0<a href=\"http:\/\/fr.wikipedia.org\/wiki\/Concassage\" target=\"_blank\" rel=\"noopener noreferrer\">concassage<\/a>\u00a0en deux \u00e9tapes, suivi d\u2019un circuit de\u00a0<a href=\"http:\/\/fr.wikipedia.org\/wiki\/Broyage\" target=\"_blank\" rel=\"noopener noreferrer\">broyage<\/a>, \u00e9galement en deux \u00e9tapes. Ce circuit comprend un broyeur semi-autog\u00e8ne (SAG) et un broyeur \u00e0 boulets. La majorit\u00e9 de l\u2019or est r\u00e9cup\u00e9r\u00e9 par gravit\u00e9 puis fondu sur place. L&#8217;or r\u00e9siduel est r\u00e9cup\u00e9r\u00e9 par\u00a0<a href=\"http:\/\/fr.wikipedia.org\/wiki\/Flottation\" target=\"_blank\" rel=\"noopener noreferrer\">flottation<\/a>\u00a0sous forme de concentr\u00e9 de pyrite d\u2019or. Ce concentr\u00e9 est ensuite trait\u00e9 \u00e0 La Ronde o\u00f9 on r\u00e9cup\u00e8re les m\u00e9taux pr\u00e9cieux pour former des barres d\u2019or.<\/p>\n<p>La moiti\u00e9 des r\u00e9sidus miniers issus de la flottation est achemin\u00e9e \u00e0 la nouvelle usine de remblai en p\u00e2te et m\u00e9lang\u00e9e \u00e0 du ciment pour former une p\u00e2te constitu\u00e9e \u00e0 77 % de solides. Cette p\u00e2te est pomp\u00e9e sous terre pour remplir et solidifier les chambres dont on a extrait le minerai.<\/p>\n<p>FAIT INT\u00c9RESSANT<\/p>\n<p>Les r\u00e9sidus restants, qui sont\u00a0<a href=\"http:\/\/fr.wikipedia.org\/wiki\/Inerte\" target=\"_blank\" rel=\"noopener noreferrer\">inertes<\/a>\u00a0et\u00a0<a href=\"http:\/\/fr.wikipedia.org\/wiki\/M%C3%A9tal_alcalin\" target=\"_blank\" rel=\"noopener noreferrer\">alcalins<\/a>, servent \u00e0 la\u00a0<a href=\"http:\/\/www.mrn.gouv.qc.ca\/mines\/quebec-mines\/2007-06\/manitou.asp\" target=\"_blank\" rel=\"noopener noreferrer\">restauration<\/a>\u00a0de l\u2019ancien site minier Manitou dans le cadre d\u2019un projet r\u00e9alis\u00e9 en partenariat avec le gouvernement du Qu\u00e9bec. Les r\u00e9sidus sont pomp\u00e9s jusqu\u2019\u00e0 l\u2019ancien parc par le biais d\u2019un pipeline de 23 km.\u00a0<a href=\"https:\/\/youtu.be\/ahPsM5np0ak\" target=\"_blank\" rel=\"noopener noreferrer\">Explications dans cette vid\u00e9o<\/a>.<\/p>\n<p><strong>Ao\u00fbt 2016<\/strong><\/p>\n<p>L&#8217;investissement initial de l&#8217;entreprise de 135 \u00e0 140 M$ US (158 \u00e0 164 M$ CA) dans le projet Deep 1 est une excellente nouvelle, car il permettra de prolonger la dur\u00e9e de vie de la mine Goldex de 6 ans, soit jusqu&#8217;en 2024, et de maintenir pr\u00e8s de 400 emplois. De plus, la production provenant de cette nouvelle zone permettra de poursuivre la restauration du site Manitou et fournira un acc\u00e8s pour explorer d&#8217;autres ressources potentielles (projet Deep 2) et \u00e9ventuellement prolonger la dur\u00e9e de vie de la mine au-del\u00e0 de 2024.<\/p>\n<p>La mise en valeur et la construction de la zone Deep &#8211; qui se situe entre 850 et 1 200 m\u00e8tres de profondeur &#8211; s&#8217;effectueront en utilisant les infrastructures de Goldex, ainsi qu&#8217;avec l&#8217;\u00e9quipement et le personnel sur place, et devraient se terminer en 2017. La production sera graduellement transf\u00e9r\u00e9e vers la zone Deep, sans interruption, et atteindra sa pleine capacit\u00e9 en 2019. La min\u00e9ralogie de cette zone est semblable \u00e0 celle des zones qui sont actuellement exploit\u00e9es, ce qui fait qu&#8217;aucun changement ne sera requis \u00e0 l&#8217;usine de traitement.<\/p>\n<\/div>\n<div id=\"mine-goldex-conclusion\" class=\"fiche-conclusion-ctn\">\n<ul>\n<li>Exploitant:\u00a0<a href=\"http:\/\/www.agnicoeagle.com\/fr\/Pages\/default.aspx\" target=\"_blank\" rel=\"noopener noreferrer\">Mines Agnico Eagle<\/a><\/li>\n<li>R\u00e9gion:\u00a0<a href=\"http:\/\/fr.wikipedia.org\/wiki\/Abitibi-T%C3%A9miscamingue\" target=\"_blank\" rel=\"noopener noreferrer\">Abitibi-T\u00e9miscamingue<\/a><\/li>\n<li>Substance: Or<\/li>\n<li>Statut: Mine souterraine, active<\/li>\n<li>Emplois: 416<\/li>\n<\/ul>\n<\/div>\n<div id=\"mine-goldex-notes\" class=\"fiche-notes-ctn\">\n<p><span style=\"color: #000000;\"><strong>Notes<\/strong><\/span><\/p>\n<p><em>L\u2019information contenue dans cette fiche provient de sources publiques et v\u00e9rifiables.<\/em><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Situ\u00e9es \u00e0 60 kilom\u00e8tres \u00e0 l\u2019est de la mine LaRonde, \u00e0\u00a0Val d\u2019Or, en\u00a0Abitibi-T\u00e9miscamingue, les installations Goldex de Mines Agnico Eagle [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[35,46],"tags":[],"class_list":["post-880","post","type-post","status-publish","format-standard","hentry","category-industrie-minerale","category-mining-industry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - 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