{"id":7906,"date":"2025-07-02T16:43:11","date_gmt":"2025-07-02T19:43:11","guid":{"rendered":"https:\/\/vinq.us\/?p=7906"},"modified":"2025-07-02T16:59:39","modified_gmt":"2025-07-02T19:59:39","slug":"fechamento-de-mina-estabilidade-sustentabilidade","status":"publish","type":"post","link":"https:\/\/vinq.us\/en\/fechamento-de-mina-estabilidade-sustentabilidade\/","title":{"rendered":"Mine Closure: Stability, Sustainability and Legacy"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"7906\" class=\"elementor elementor-7906\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-49e604b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"49e604b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a47ef4f\" data-id=\"a47ef4f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e9c8fa0 elementor-widget elementor-widget-text-editor\" data-id=\"e9c8fa0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Mine closure is one of the most challenging and critical phases of the mining lifecycle. More than a legal requirement, it represents a <\/span><b>long-lasting commitment to geotechnical stability<\/b><span style=\"font-weight: 400;\">, the <\/span><b>functional environmental rehabilitation<\/b><span style=\"font-weight: 400;\"> and the <\/span><b>reconstruction of links between territory, society and ecosystem<\/b><span style=\"font-weight: 400;\">.<\/span><\/p><p><span style=\"font-weight: 400;\">In the <\/span><b>VinQ Geotechnics<\/b><span style=\"font-weight: 400;\">, we understand that the closure of mining activities must be <\/span><b>planned from the initial phase of the project<\/b><span style=\"font-weight: 400;\">, based on rigorous technical criteria and focused on <\/span><b>leave a positive legacy for future generations<\/b><span style=\"font-weight: 400;\">.<\/span><\/p><p>\u00a0<\/p><h3><b>Geotechnical Stability: Commitment to Long-Term Safety<\/b><\/h3><p><span style=\"font-weight: 400;\">THE <\/span><b>physical stability of the remaining structures<\/b><span style=\"font-weight: 400;\"> \u2013 such as final slopes, tailings dams and waste rock piles \u2013 must be designed to ensure <\/span><b>passive resilience<\/b><span style=\"font-weight: 400;\">This includes:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Attenuated geometries<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Erosion coverage<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Efficient drainage systems<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Stable materials that do not depend on constant maintenance<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">Continuous monitoring, with geotechnical instrumentation (piezometers, inclinometers, surface markers) and <\/span><b>advanced numerical modeling<\/b><span style=\"font-weight: 400;\"> (FEM and LEM), is essential to predict and mitigate risks over time.<\/span><\/p><p><span style=\"font-weight: 400;\">At VinQ, we follow international guidelines such as <\/span><b>ICMM, CDA, ANCOLD<\/b><span style=\"font-weight: 400;\"> and the <\/span><b>ANM standards<\/b><span style=\"font-weight: 400;\">, prioritizing <\/span><b>high safety factors<\/b><span style=\"font-weight: 400;\"> and <\/span><b>structural predictability<\/b><span style=\"font-weight: 400;\">.<\/span><\/p><p>\u00a0<\/p><h3><b>Environmental Rehabilitation and Functional Ecology<\/b><\/h3><p><span style=\"font-weight: 400;\">Rehabilitating a mined area goes far beyond reforestation. It is necessary <\/span><b>restore the ecological functionality of soil and landscape<\/b><span style=\"font-weight: 400;\">, focusing on:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Erosion control<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Careful selection of native species<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Restoring water and ecological connectivity<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">Techniques such as <\/span><b>soil bioengineering<\/b><span style=\"font-weight: 400;\"> and <\/span><b>technical revegetation<\/b><span style=\"font-weight: 400;\"> contribute to creating <\/span><b>resilient ecosystems<\/b><span style=\"font-weight: 400;\">, adapted to regional conditions.<\/span><\/p><p><span style=\"font-weight: 400;\">Materials such as waste and sterile, if correctly stabilized and encapsulated, can be reused for:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Filling of gullies<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Modeling of containment areas<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><\/ul><p>\u00a0<\/p><h3><b>Hydrogeotechnics and Acid Drainage Control<\/b><\/h3><p><span style=\"font-weight: 400;\">THE <\/span><b>post-closure water management<\/b><span style=\"font-weight: 400;\"> it is essential to avoid:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Acid mine drainage<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Contamination of water resources<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Long-term structural instability<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">For this, passive solutions are applied (such as <\/span><b>constructed wetlands and reactive barriers<\/b><span style=\"font-weight: 400;\">) or active (such as <\/span><b>chemical neutralization plants<\/b><span style=\"font-weight: 400;\">).<\/span><\/p><p><span style=\"font-weight: 400;\">These strategies must be preceded by <\/span><b>detailed geochemical and environmental studies<\/b><span style=\"font-weight: 400;\">, using tools such as:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">PHREEQC<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Geochemist&#039;s Workbench<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Real-time environmental monitoring<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><\/ul><p>\u00a0<\/p><h3><b>Social Engagement and Legacy Planning<\/b><\/h3><p><span style=\"font-weight: 400;\">International experiences show: the <\/span><b>mine closure is only successful when the community actively participates<\/b><span style=\"font-weight: 400;\"> of all stages.<\/span><\/p><p><span style=\"font-weight: 400;\">Among the possible transformative actions, the following stand out:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Retraining of the local workforce<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Implementation of new production arrangements<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Reuse of the area for renewable energy, tourism or conservation<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">The goal is to turn the closure into <\/span><b>a new economic, environmental and social opportunity<\/b><span style=\"font-weight: 400;\">.<\/span><\/p><p>\u00a0<\/p><h3><b>Self-Assessment and Governance in Closure Planning<\/b><\/h3><p><span style=\"font-weight: 400;\">VinQ has developed a <\/span><b>technical self-assessment tool<\/b><span style=\"font-weight: 400;\"> that helps entrepreneurs diagnose the <\/span><b>maturity of the closure plan<\/b><span style=\"font-weight: 400;\"> based on criteria such as:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Geotechnical stability<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Acid drainage control<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ecological rehabilitation<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Social engagement<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Planning for future use<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Compliance with legislation<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">This tool can be used for both <\/span><b>technical audits<\/b><span style=\"font-weight: 400;\"> as for <\/span><b>continuous improvement<\/b><span style=\"font-weight: 400;\"> of the closure plans.<\/span><\/p><p>\u00a0<\/p><h3><b>Conclusion: Closing Well is Leaving a Legacy<\/b><\/h3><p><span style=\"font-weight: 400;\">Mine closure requires <\/span><b>specialized technical knowledge<\/b><span style=\"font-weight: 400;\">, <\/span><b>environmental responsibility<\/b><span style=\"font-weight: 400;\"> and <\/span><b>social sensitivity<\/b><span style=\"font-weight: 400;\">.<\/span><\/p><p><span style=\"font-weight: 400;\">More than closing a cycle, it is a <\/span><b>opportunity for regeneration<\/b><span style=\"font-weight: 400;\">:<\/span><span style=\"font-weight: 400;\"><br \/><\/span><span style=\"font-weight: 400;\"> Transform risks into security, liabilities into assets and degraded areas into <\/span><b>productive and sustainable territories<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-295a5ec elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"295a5ec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1b35a5b elementor-widget elementor-widget-text-editor\" data-id=\"1b35a5b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">In the <\/span><b>VinQ Geotechnics<\/b><span style=\"font-weight: 400;\">, we believe that <\/span><b>closing well is opening paths<\/b><span style=\"font-weight: 400;\"> \u2013 for the environment, for communities and for the future.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Plan mine closure with geotechnical stability, environmental rehabilitation and social engagement for a positive legacy.<\/p>","protected":false},"author":3,"featured_media":7913,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[20,22],"tags":[],"class_list":["post-7906","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-geotecnia","category-sustentabilidade"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fechamento de mina: Estabilidade, 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