{"id":1532,"date":"2023-11-16T01:47:08","date_gmt":"2023-11-16T01:47:08","guid":{"rendered":"https:\/\/economicherald.net\/?p=1532"},"modified":"2023-11-16T01:47:08","modified_gmt":"2023-11-16T01:47:08","slug":"thick-high-grade-copper-hits-suggest-antilles-is-barely-scratching-the-surface-of-its-el-pillar-porphyry-system","status":"publish","type":"post","link":"https:\/\/economicherald.net\/?p=1532","title":{"rendered":"Thick, high-grade copper hits suggest Antilles is barely scratching the surface of its El Pillar porphyry system"},"content":{"rendered":"<p>\u00a0<\/p>\n<p><strong>Antilles Gold intersects high-grade porphyry copper at the El Pilar deposit in Cuba<\/strong><br \/>\n<strong>The intersection of <\/strong><strong>intense porphyry style veining indicates the porphyry system is potential larger to the southeast than expected<\/strong><br \/>\n<strong>Drilling in the oxide domain will be reflected in upcoming resource estimate for <\/strong><strong>Nueva Sabana<\/strong><\/p>\n<p>\u00a0<\/p>\n<p><strong><em>Special Report:<\/em> Antilles Gold has intersected high grade copper \u2013 including a top hit of 11m grading 4.7% copper according to pXRF readings \u2013 at the El Pilar copper-gold porphyry deposit in central Cuba.<\/strong><\/p>\n<p>El Pillar\u2019s near-surface oxide domain is central to the proposed Nueva Sabana mine, one of two near-term projects that\u00a0<a href=\"https:\/\/stockhead.com.au\/company\/antilles-gold-aau\/\" target=\"_blank\" rel=\"noopener\"><strong>Antilles Gold (ASX:AAU)<\/strong><\/a>\u00a0has in its pipeline for development in conjunction with Cuban government mining company and equal JV partner GeoMinera.<\/p>\n<p>Construction of Nueva Sabana, which is planned as a\u00a0<a href=\"https:\/\/stockhead.com.au\/resources\/lots-of-copper-antilles-hits-190m-long-porphyry-zone-in-maiden-drilling-at-gaspar\/\" target=\"_blank\" rel=\"noopener\"><strong>copper<\/strong><\/a>\u00a0project that will benefit from a high-grade gold cap,\u00a0is expected to begin in May or June 2024 with production of a +50 grams per tonne (g\/t) gold concentrate starting just 10 months after.<\/p>\n<p>This is expected to cost just US$20m for a mine with a proposed mining rate of 500,000-650,000tpa due to availability of HT power, rail and highway links to a container port, water supply, and skilled labour being close to the mine site, together with low pre-stripping costs and hiring necessary mine equipment rather than purchasing a new fleet.<\/p>\n<p>La Demajagua mine \u2013 the other near-term project \u2013 already has a resource of 905,000oz of gold equivalent for the first stage open pit, which will produce approximately 80,000ozpa gold equivalent.<\/p>\n<p>Developing both these near-term gold projects will help (or completely) fund the company\u2019s goal to define the type of large copper porphyries that are responsible for ~60% of the world\u2019s copper, most of its molybdenum, and significant amounts of gold and silver.<\/p>\n<p>\u00a0<\/p>\n<h2><strong>Porphyry copper giant emerging<\/strong><\/h2>\n\n<p><em>El Pillar porphyry cross section. Pic: Supplied (AAU).<\/em><\/p>\n<p>\u00a0<\/p>\n<p>That\u2019s not to say that AAU hasn\u2019t already been dipping its toes into exploring for porphyry mineralisation at El Pillar.<\/p>\n<p>Its latest diamond drill hole (PDH-052A) into the sulphide mineralisation at the extreme southeastern part of the deposit displayed intense porphyry style veining, that is overprinting a mineralized diatreme breccia.<\/p>\n<p>This is hugely encouraging as copper mineralisation is associated with both porphyry style veining and also as breccias within the diatreme and the intersection indicates that the system is potentially larger to the southeast than expected.<\/p>\n<p>Further support has come from the portable XRF analysis, which returned a 29m zone grading 2.05% copper from a down-hole depth of 151m that includes the 11m interval at 4.7% copper.<\/p>\n<p>While no replacement for laboratory analysis, the pXRF reading still provides a hint of what to expect.<\/p>\n<p>\u201cPDH-052A has shown highly encouraging porphyry style copper mineralisation and now we are seeing this associated with diatreme breccia hosted mineralization occurring together, increasing the quantity of mineralization from multiple overprinting hydrothermal events,\u201d exploration director Dr Christian Grainger said.<\/p>\n<p>\u201cWe are now confident that the system is growing to the southeast, where no drilling to date has occurred, and where we are seeing both high grades and widths of mineralisation expanding.<\/p>\n<p>\u201cThe intersection of high-grade copper mineralisation in sulphides in the southern part of the El Pilar prospect confirmed by the pXRF readings gives us great encouragement for the potential of this prospect.<\/p>\n<p>\u201cGiven the drillhole terminated in chalcopyrite in a fault zone, the porphyry remains open at depth, and future drilling will be aimed at targeting the core of the porphyry body.\u201d<\/p>\n<p>\u00a0<\/p>\n<h2><strong>Oxide drilling to back coming resource estimate <\/strong><\/h2>\n<p>Meanwhile, drilling in the overlying gold-copper deposit continues to return significant assays.<\/p>\n<p>In the gold domain, hole PDH-041 returned a 15m zone at 2.1g\/t from surface and a further 6m at 1.19g\/t gold from 20m.<\/p>\n<p>The same hole struck 5.5m at 0.6% copper from 48m in the deeper copper domain.<\/p>\n<p>Other holes in this domain also returned hits such as 25m at 0.9% copper from 45m and 16m at 0.71% from 4m.<\/p>\n<p>Chairman Brian Johnson added that the continued high copper grades in the El Pilar oxide deposit will be reflected in the resource estimate for the proposed Nueva Sabana gold-copper mine when published in January 2024.<\/p>\n<p>It is also expected to reinforce the company\u2019s confidence in commencing construction of the low capex mine in May\/June 2024.<\/p>\n<p>\u00a0<\/p>\n<p><em>This article was developed in collaboration with Antilles Gold, a Stockhead advertiser at the time of publishing. <\/em><\/p>\n<p><em>This article does not constitute financial product advice. You should consider obtaining independent advice before making any financial decisions.<\/em><\/p>\n<p><span class=\"et_bloom_bottom_trigger\"><\/span><\/p>\n<p>The post <a href=\"https:\/\/stockhead.com.au\/resources\/thick-high-grade-copper-hits-suggest-antilles-is-barely-scratching-the-surface-of-its-el-pillar-porphyry-system\/\">Thick, high-grade copper hits suggest Antilles is barely scratching the surface of its El Pillar porphyry system<\/a> appeared first on <a href=\"https:\/\/stockhead.com.au\/\">Stockhead<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u00a0 Antilles Gold intersects high-grade porphyry copper at the El Pilar deposit in Cuba The intersection of intense porphyry style veining indicates the porphyry system <a href=\"https:\/\/economicherald.net\/?p=1532\" class=\"read-more-link\">[more&#8230;]<\/a><\/p>\n","protected":false},"author":0,"featured_media":1533,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-1532","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-finance"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Thick, high-grade copper hits suggest Antilles is barely scratching the surface of its El Pillar porphyry system - Economic Herald<\/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:\/\/economicherald.net\/?p=1532\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Thick, high-grade copper hits suggest Antilles is barely scratching the surface of its El Pillar porphyry system - Economic Herald\" \/>\n<meta property=\"og:description\" content=\"\u00a0 Antilles Gold intersects high-grade porphyry copper at the El Pilar deposit in Cuba The intersection of intense porphyry style veining indicates the porphyry system [more...]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/economicherald.net\/?p=1532\" \/>\n<meta property=\"og:site_name\" content=\"Economic Herald\" \/>\n<meta property=\"article:published_time\" content=\"2023-11-16T01:47:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/economicherald.net\/wp-content\/uploads\/2023\/11\/Picture-1-4-1-OTsbq0.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"674\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/economicherald.net\\\/?p=1532#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/economicherald.net\\\/?p=1532\"},\"author\":{\"name\":\"\",\"@id\":\"\"},\"headline\":\"Thick, high-grade copper hits suggest Antilles is barely scratching the surface of its El Pillar porphyry system\",\"datePublished\":\"2023-11-16T01:47:08+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/economicherald.net\\\/?p=1532\"},\"wordCount\":784,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/economicherald.net\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/economicherald.net\\\/?p=1532#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/economicherald.net\\\/wp-content\\\/uploads\\\/2023\\\/11\\\/Picture-1-4-1-OTsbq0.jpeg\",\"articleSection\":[\"Finance\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/economicherald.net\\\/?p=1532#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/economicherald.net\\\/?p=1532\",\"url\":\"https:\\\/\\\/economicherald.net\\\/?p=1532\",\"name\":\"Thick, high-grade copper hits suggest Antilles is barely scratching the surface of its El Pillar porphyry system - Economic Herald\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/economicherald.net\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/economicherald.net\\\/?p=1532#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/economicherald.net\\\/?p=1532#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/economicherald.net\\\/wp-content\\\/uploads\\\/2023\\\/11\\\/Picture-1-4-1-OTsbq0.jpeg\",\"datePublished\":\"2023-11-16T01:47:08+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/economicherald.net\\\/?p=1532#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/economicherald.net\\\/?p=1532\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/economicherald.net\\\/?p=1532#primaryimage\",\"url\":\"https:\\\/\\\/economicherald.net\\\/wp-content\\\/uploads\\\/2023\\\/11\\\/Picture-1-4-1-OTsbq0.jpeg\",\"contentUrl\":\"https:\\\/\\\/economicherald.net\\\/wp-content\\\/uploads\\\/2023\\\/11\\\/Picture-1-4-1-OTsbq0.jpeg\",\"width\":1200,\"height\":674},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/economicherald.net\\\/?p=1532#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/economicherald.net\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Thick, high-grade copper hits suggest Antilles is barely scratching the surface of its El Pillar porphyry system\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/economicherald.net\\\/#website\",\"url\":\"https:\\\/\\\/economicherald.net\\\/\",\"name\":\"Economic Herald\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/economicherald.net\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/economicherald.net\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/economicherald.net\\\/#organization\",\"name\":\"Economic Herald\",\"url\":\"https:\\\/\\\/economicherald.net\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/economicherald.net\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/economicherald.net\\\/wp-content\\\/uploads\\\/2023\\\/10\\\/cropped-cropped-economicheraldlogo-1.png\",\"contentUrl\":\"https:\\\/\\\/economicherald.net\\\/wp-content\\\/uploads\\\/2023\\\/10\\\/cropped-cropped-economicheraldlogo-1.png\",\"width\":850,\"height\":760,\"caption\":\"Economic Herald\"},\"image\":{\"@id\":\"https:\\\/\\\/economicherald.net\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Thick, high-grade copper hits suggest Antilles is barely scratching the surface of its El Pillar porphyry system - Economic Herald","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/economicherald.net\/?p=1532","og_locale":"en_US","og_type":"article","og_title":"Thick, high-grade copper hits suggest Antilles is barely scratching the surface of its El Pillar porphyry system - Economic Herald","og_description":"\u00a0 Antilles Gold intersects high-grade porphyry copper at the El Pilar deposit in Cuba The intersection of intense porphyry style veining indicates the porphyry system [more...]","og_url":"https:\/\/economicherald.net\/?p=1532","og_site_name":"Economic Herald","article_published_time":"2023-11-16T01:47:08+00:00","og_image":[{"width":1200,"height":674,"url":"https:\/\/economicherald.net\/wp-content\/uploads\/2023\/11\/Picture-1-4-1-OTsbq0.jpeg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/economicherald.net\/?p=1532#article","isPartOf":{"@id":"https:\/\/economicherald.net\/?p=1532"},"author":{"name":"","@id":""},"headline":"Thick, high-grade copper hits suggest Antilles is barely scratching the surface of its El Pillar porphyry system","datePublished":"2023-11-16T01:47:08+00:00","mainEntityOfPage":{"@id":"https:\/\/economicherald.net\/?p=1532"},"wordCount":784,"commentCount":0,"publisher":{"@id":"https:\/\/economicherald.net\/#organization"},"image":{"@id":"https:\/\/economicherald.net\/?p=1532#primaryimage"},"thumbnailUrl":"https:\/\/economicherald.net\/wp-content\/uploads\/2023\/11\/Picture-1-4-1-OTsbq0.jpeg","articleSection":["Finance"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/economicherald.net\/?p=1532#respond"]}]},{"@type":"WebPage","@id":"https:\/\/economicherald.net\/?p=1532","url":"https:\/\/economicherald.net\/?p=1532","name":"Thick, high-grade copper hits suggest Antilles is barely scratching the surface of its El Pillar porphyry system - Economic Herald","isPartOf":{"@id":"https:\/\/economicherald.net\/#website"},"primaryImageOfPage":{"@id":"https:\/\/economicherald.net\/?p=1532#primaryimage"},"image":{"@id":"https:\/\/economicherald.net\/?p=1532#primaryimage"},"thumbnailUrl":"https:\/\/economicherald.net\/wp-content\/uploads\/2023\/11\/Picture-1-4-1-OTsbq0.jpeg","datePublished":"2023-11-16T01:47:08+00:00","breadcrumb":{"@id":"https:\/\/economicherald.net\/?p=1532#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/economicherald.net\/?p=1532"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/economicherald.net\/?p=1532#primaryimage","url":"https:\/\/economicherald.net\/wp-content\/uploads\/2023\/11\/Picture-1-4-1-OTsbq0.jpeg","contentUrl":"https:\/\/economicherald.net\/wp-content\/uploads\/2023\/11\/Picture-1-4-1-OTsbq0.jpeg","width":1200,"height":674},{"@type":"BreadcrumbList","@id":"https:\/\/economicherald.net\/?p=1532#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/economicherald.net\/"},{"@type":"ListItem","position":2,"name":"Thick, high-grade copper hits suggest Antilles is barely scratching the surface of its El Pillar porphyry system"}]},{"@type":"WebSite","@id":"https:\/\/economicherald.net\/#website","url":"https:\/\/economicherald.net\/","name":"Economic Herald","description":"","publisher":{"@id":"https:\/\/economicherald.net\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/economicherald.net\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/economicherald.net\/#organization","name":"Economic Herald","url":"https:\/\/economicherald.net\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/economicherald.net\/#\/schema\/logo\/image\/","url":"https:\/\/economicherald.net\/wp-content\/uploads\/2023\/10\/cropped-cropped-economicheraldlogo-1.png","contentUrl":"https:\/\/economicherald.net\/wp-content\/uploads\/2023\/10\/cropped-cropped-economicheraldlogo-1.png","width":850,"height":760,"caption":"Economic Herald"},"image":{"@id":"https:\/\/economicherald.net\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/economicherald.net\/index.php?rest_route=\/wp\/v2\/posts\/1532","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/economicherald.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/economicherald.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/economicherald.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1532"}],"version-history":[{"count":0,"href":"https:\/\/economicherald.net\/index.php?rest_route=\/wp\/v2\/posts\/1532\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/economicherald.net\/index.php?rest_route=\/wp\/v2\/media\/1533"}],"wp:attachment":[{"href":"https:\/\/economicherald.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1532"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/economicherald.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1532"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/economicherald.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1532"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}