{"id":142,"date":"2012-09-07T16:30:02","date_gmt":"2012-09-07T21:30:02","guid":{"rendered":"http:\/\/blog.diosexplo.com\/?p=142"},"modified":"2019-10-04T17:15:30","modified_gmt":"2019-10-04T21:15:30","slug":"brouillon-auto","status":"publish","type":"post","link":"https:\/\/www.diosexplo.com\/fr\/2012\/09\/07\/brouillon-auto\/","title":{"rendered":"Mises \u00e0 jour des travaux de terrain \u00e0 la Baie James"},"content":{"rendered":"<p style=\"text-align: center;\"><strong>Au 31 ao\u00fbt 2012 60 \u00e9chantillons de granite gris avec sulfure de cuivre diss\u00e9min\u00e9 sur le projet aurif\u00e8re de type porphyrique 33 CARATS<\/strong><\/p>\n<p><strong><a title=\"33 Carats\" href=\"http:\/\/diosexplo.com\/french\/33carats.php\" target=\"_blank\" rel=\"noopener noreferrer\">33 CARATS<\/a> : en amont de la rivi\u00e8re Eastmain<\/strong><\/p>\n<p>Ce projet aurif\u00e8re est situ\u00e9 au nord-ouest de la mine d\u2019or Eastmain. Il renferme des roches tonalitiques-granodioritiques faiblement min\u00e9ralis\u00e9es en pyrite-chalcopyrite (sulfure de cuivre) et en veinules de quartz qui montrent un potentiel favorable \u00e0 des min\u00e9ralisations porphyriques aurif\u00e8res.<\/p>\n<p>En juillet-ao\u00fbt 2012, l\u2019\u00e9quipe technique de DIOS a compl\u00e9t\u00e9 un suivi de cartographie-prospection (325 \u00e9chantillons de roches dont une soixantaine contient de la chalchopyrite diss\u00e9min\u00e9e) et de spectrom\u00e9trie ciblant la phase tonalitique du pluton du Lac Erasme.<\/p>\n<p>DIOS a par la suite fait r\u00e9aliser un \u00e9chantillonnage de sols (1 200 \u00e9chantillons d\u2019humus) sur le m\u00eame secteur.<\/p>\n<p>Plusieurs blocs erratiques de tonalite d\u00e9couverts \u00e0 l\u2019automne 2011 et titrant entre 1.0 et 3.2 g\/t d\u2019or sont situ\u00e9s en amont d\u2019une train\u00e9e de dispersion glaciaire de tills aurif\u00e8res (252-2090 ppb d\u2019or).<\/p>\n<p>Il y a une association claire or-argent-cuivre-bismuth, typique des d\u00e9p\u00f4ts porphyriques.<\/p>\n<p>Une nouvelle s\u00e9rie de r\u00e9-analyses de tills pr\u00e9lev\u00e9s pour l\u2019exploration diamantif\u00e8re, a retourn\u00e9 des valeurs anomales de 301, 352, 384, 424, 504, 1320, 2385, 2 500 ppb d\u2019or dans les concentr\u00e9s de min\u00e9raux lourds qui viennent renforcer cette tra\u00een\u00e9e glaciaire aurif\u00e8re bien structur\u00e9e.<\/p>\n<p>La route 167 des monts Otish qui se rendra jusqu\u2019au gisement diamantif\u00e8re Renard passe sur la grille de sols.<\/p>\n<p><strong><a title=\"14 Karats\" href=\"http:\/\/diosexplo.com\/french\/14Karats.php\" target=\"_blank\" rel=\"noopener noreferrer\">14 KARATS<\/a> : 50-75 km au nord-est de 33 Carats<\/strong><\/p>\n<p><strong> <\/strong>Durant la m\u00eame p\u00e9riode, DIOS a fait de la cartographie-prospection sur ce projet aurif\u00e8re situ\u00e9 entre les lacs Leran- Patamisk.<\/p>\n<p>La propri\u00e9t\u00e9 couvre une s\u00e9quence volcano-s\u00e9dimentaire au contact des sous-provinces d\u2019Opinaca et La Grande, en amont de tills aurif\u00e8res (356, 534, 583, 642, 1160, 2230 ppb d\u2019or).<\/p>\n<p>Pr\u00e8s de 230 \u00e9chantillons de roches ont \u00e9t\u00e9 r\u00e9colt\u00e9s et envoy\u00e9s au laboratoire. DIOS a fait faire un \u00e9chantillonnage de tills glaciaires (69 \u00e9chantillons) sur la m\u00eame r\u00e9gion.<\/p>\n<p><strong><a title=\"Shadow\" href=\"http:\/\/diosexplo.com\/french\/projects.php\" target=\"_blank\" rel=\"noopener noreferrer\">SHADOW <\/a>: Secteur Opinaca-Eastmain 1, en aval de la rivi\u00e8re Eastmain<\/strong><\/p>\n<p><strong> <\/strong>Un programme d\u2019exploration estival sur la partie sud a \u00e9t\u00e9 compl\u00e9t\u00e9 dans la r\u00e9gion de la centrale Eastmain-1.<\/p>\n<p>Il comprenait un \u00e9chantillonnage de sols (1 300 \u00e9chantillons d\u2019humus) et de la cartographie-prospection (53 \u00e9chantillons de roches). Il ciblait sp\u00e9cifiquement un contact volcano-s\u00e9dimentaire pliss\u00e9 en bordure d\u2019une intrusion felsique, situ\u00e9 en amont de plusieurs tills aurif\u00e8res (241, 983, 1120, 3510 ppb d\u2019or).<\/p>\n<p><strong><a title=\"LeCaron\" href=\"http:\/\/diosexplo.com\/french\/projects.php\" target=\"_blank\" rel=\"noopener noreferrer\">LECARON<\/a> : adjacent au projet Shadow<\/strong><\/p>\n<p>D\u2019autres travaux de cartographie-prospection sont pr\u00e9vus sur ce projet aurif\u00e8re. Il cible particuli\u00e8rement un secteur couvrant des volcanites mafiques en amont de tills aurif\u00e8res (208, 236, 265, 285, 666, 921, 925, 1035 ppb d\u2019or) o\u00f9 37 \u00e9chantillons de roche ont \u00e9t\u00e9 pr\u00e9lev\u00e9s en 2012.<\/p>\n<p>Une campagne d\u2019\u00e9chantillonnage de tills (20 \u00e9chantillons) a vis\u00e9 d\u2019autres cibles de la m\u00eame r\u00e9gion.<\/p>\n<p><strong><a title=\"AU 33\" href=\"http:\/\/diosexplo.com\/french\/projects.php\" target=\"_blank\" rel=\"noopener noreferrer\">AU33<\/a> : m\u00eame secteur que LeCaron<\/strong><\/p>\n<p><strong> <\/strong>Le partenaire <a href=\"http:\/\/www.osisko.com\/fr\/\">Osisko<\/a> a r\u00e9alis\u00e9 pour une 2<sup>e<\/sup> ann\u00e9e des \u00e9chantillonnages de sols (140 \u00e9chantillons d\u2019horizon B) et de la cartographie-prospection (364 \u00e9chantillons de roches avec lectures de spectrom\u00e9trie-K) qui ciblaient des min\u00e9ralisations porphyriques dans les roches intrusives.<\/p>\n<p>D\u2019autres travaux sont pr\u00e9vus cet automne. Les r\u00e9sultats sont en attente.<\/p>\n<p><a href=\"http:\/\/www.iosgeo.com\/\">IOS G\u00e9oscientifiques<\/a> a r\u00e9alis\u00e9 l\u2019\u00e9chantillonnage des sols et tills et les \u00e9chantillons de roches ont \u00e9t\u00e9 exp\u00e9di\u00e9s au laboratoire de ALS-CHEMEX.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Au 31 ao\u00fbt 2012 60 \u00e9chantillons de granite gris avec sulfure de cuivre diss\u00e9min\u00e9 sur le projet aurif\u00e8re de type porphyrique 33 CARATS 33 CARATS : en amont de la rivi\u00e8re Eastmain Ce projet aurif\u00e8re est situ\u00e9 au nord-ouest de la mine d\u2019or Eastmain. Il renferme des roches tonalitiques-granodioritiques faiblement min\u00e9ralis\u00e9es en pyrite-chalcopyrite (sulfure de [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37],"tags":[],"class_list":["post-142","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Mises \u00e0 jour des travaux de terrain \u00e0 la Baie James - Dios Exploration<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.diosexplo.com\/fr\/2012\/09\/07\/brouillon-auto\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mises \u00e0 jour des travaux de terrain \u00e0 la Baie James - Dios Exploration\" \/>\n<meta property=\"og:description\" content=\"Au 31 ao\u00fbt 2012 60 \u00e9chantillons de granite gris avec sulfure de cuivre diss\u00e9min\u00e9 sur le projet aurif\u00e8re de type porphyrique 33 CARATS 33 CARATS : en amont de la rivi\u00e8re Eastmain Ce projet aurif\u00e8re est situ\u00e9 au nord-ouest de la mine d\u2019or Eastmain. 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