{"id":9729,"date":"2025-10-16T04:42:40","date_gmt":"2025-10-16T08:42:40","guid":{"rendered":"https:\/\/marimaca.com\/marimaca-copper-project-overview-test\/"},"modified":"2025-10-16T06:16:17","modified_gmt":"2025-10-16T10:16:17","slug":"marimaca-copper-project-overview-test","status":"publish","type":"page","link":"https:\/\/marimaca.com\/es\/marimaca-copper-project-overview-test\/","title":{"rendered":"Marimaca Copper Project Overview Test"},"content":{"rendered":"
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Overview<\/h2>\n

The Marimaca Copper Project is the Company\u2019s flagship project location in Antofagasta, Chile \u2013 one of the world\u2019s premier mining jurisdictions.<\/p>\n

Following our 2025 Definitive Feasibility Study the Project is now rapidly advancing towards a final investment decision in the second half 2026, with the intention of becoming Chile\u2019s newest green copper mine.<\/p>\n<\/div>\n

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At a Glance<\/h2>\n
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Ownership<\/p>\n

100% owned<\/strong> by Marimaca Copper<\/strong>, providing full control of development<\/p>\n<\/div>\n

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Target Production Timeline<\/p>\n

Near-term copper producer<\/strong>, with first production targeted for 2028<\/strong>.<\/p>\n<\/div>\n

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Stage<\/p>\n

Studies: \u2713 Definitive Feasibility Study<\/strong>
\nPermitting: Progressing DIA Permit<\/strong><\/p>\n<\/div>\n

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Exploration Upside<\/p>\n

~66,000 ha<\/strong> district-scale landholding with oxide and sulphide targets adjacent to the MOD<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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At a Glance<\/h2>\n
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Ownership<\/p>\n

100% owned<\/strong> by Marimaca Copper<\/strong>, providing full control of development<\/p>\n<\/div>\n

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Target Production Timeline<\/p>\n

Near-term copper producer<\/strong>, with first production targeted for 2028<\/strong>.<\/p>\n<\/div>\n

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Stage<\/p>\n

Studies: \u2713 Definitive Feasibility Study<\/strong>
\nPermitting: Progressing DIA Permit<\/strong><\/p>\n<\/div>\n

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Exploration Upside<\/p>\n

~66,000 ha<\/strong> district-scale landholding with oxide and sulphide targets adjacent to the MOD<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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The Mining Project of the Future<\/h2>\n

Focusing on the development of a sustainable green copper mine, Marimaca is targeting leading ESG positioning across all aspects of operations<\/p>\n

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\"icono\"<\/div>\n
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WATER<\/div>\n
Recycled seawater supply secured from the Bay of Mejillones<\/div>\n<\/div>\n<\/div>\n
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\"icono\"<\/div>\n
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POWER<\/div>\n
Certified renewable electricity supply available<\/div>\n<\/div>\n<\/div>\n
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\"icono\"<\/div>\n
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COMMUNITIES<\/div>\n
No community land overlap, skilled local workforce<\/div>\n<\/div>\n<\/div>\n
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\"icono\"<\/div>\n
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IMPACT<\/div>\n
Limited flora and fauna impact expected in the coastal Atacama Desert<\/div>\n<\/div>\n<\/div>\n
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\"icono\"<\/div>\n
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CARBON INTENSITY<\/div>\n
Heap leaching 38% less carbon intensive than traditional processing<\/div>\n<\/div>\n<\/div>\n<\/div>\n

For more information please visit Marimaca\u2019s Sustainability Page.<\/a><\/p>\n<\/div>\n

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Technical Reports<\/h2>\n

2025 Feasibility Study<\/p>\n<\/div>\n

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View PDF<\/a><\/div>\n<\/div>\n<\/div>\n

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Location and Infrastructure<\/h2>\n

Marimaca is located in the prolific mining region of Antofagasta, Chile. Excellent access to key regional infrastructure delivers a strong execution risk profile for the Project.<\/p>\n

Marimaca Oxide Deposit<\/p>\n

Overview Location & access to infrastructure\/utilities deliver lower
\nexecution risk<\/p>\n

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Close proximity to first class utilities and infrastructure<\/p>\n

\u2022 Water
\n\u2022 Power
\n\u2022 Transport
\n\u2022 Communications<\/p>\n<\/div>\n

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Land predominantly
\ngovernment owned or controlled<\/p>\n

\u2022 No local land owner negotiations<\/p>\n<\/div>\n

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Within 25km of Port of Mejillones<\/p>\n

\u2022 One of the primary import ports for H2<\/sub>SO4<\/sub> to Chile
\n\u2022 Access to skilled workforce<\/p>\n<\/div>\n

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Within 40km of Antofagasta<\/p>\n

\u2022 Major regional center
\n\u2022 No requirement for site accommodation \/ housing
\n\u2022 Airport with good connections<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Geology<\/h2>\n

The Marimaca Deposit is an IOCG-type deposit hosted in the Chiliean Coastal Cordillera. The Coastal Cordillera is dominated by the occurrence of Cu-Ag \u201cmanto-type\u201d and IOGC type deposits.<\/span><\/p>\n

The dominant rock types at Marimaca are intrusives from the \u201cNaguay\u00e1n Plutonic Complex\u201d defined by Cortes et al. (2007). In Marimaca, the country rock is an equigranular to porphyritic monzodiorite intruded by a Dyke Swarm System consisting of various bimodal dyke episodes ranging in composition from gabbro to rhyodacite oriented NS to NE, NW and WNW and dipping 45-50\u00b0 to 60-75\u00b0 towards east and south-east.<\/p>\n

The main Naguay\u00e1n\u2019 structural fabric, consists of a NS to NNE oriented sheeted-like fractures zone, including faults and dykes, controls the mineralization at Marimaca and can be observed for kilometers beyond the project area limits. Intense, extensive and pervasive events of supergene oxidation have produced the actual copper oxide blanket that forms the mineral deposit at Marimaca. The surface data show that the copper oxides are controlled by a very strongly fractured host rock creating a high permeability background generated by the superposition of several events of fracturing and dikes intrusions. The oxidation resulted from the alteration of a previous secondary sulfide enriched blanket that produces zonation from brochantite-atacamite at cores immediately surrounding the secondary sulfides remnant patches and successive external haloes of predominant chrysocolla and further external wad.<\/p>\n

As compared with other deposits of the belt, Marimaca is fully hosted by intrusive, rock units that become extremely permeable thanks to intense fracturing.<\/p>\n<\/div>\n<\/div>\n

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Exploration<\/h2>\n

Marimaca believes there is strong sulphide potential associated with the well-defined oxide deposit of the Project. Down-dip drilling, from the oxides, has indicated strong chalcopyrite-dominated mineralization which Marimaca intends to explore further in the future.<\/p>\n

In addition to the sulphide potential, the deposit remains open to the north and south and at depth. Multiple near surface oxide exploration targets have been identified close within close proximity to the Project, and there is also the potential to add near term tonnes to the current mine life. In November 2024, reverse circulation drilling completed at the Mercedes Target, which is located less than 500m to the north of the northern edge of the Marimaca Oxide Deposit, extended the envelope of surface oxide copper mineralization to an area of interest measuring 700m along strike and 400m width continuing to provide clear potential to add to the Company\u2019s leachable resource base. Furthermore, the Handing Wall Alteration (HWA) zone is regionally pervasive, with extension identified more than 10km across the project area, which boasts strong association with copper mineralization.<\/p>\n

On a district scale, the structural conduits at the Marimaca Copper Project are regionally extensive. The region is believed to be prospective for additional IOCG and mantos-style deposits. All targets are adjacent to key regional structures which are believed to control mineralization at the Marimaca Copper Project and the regional structure is identified over 25km.<\/p>\n

The Company also has interests in the nearby Sierra Medina claims, which boasts high grade, sediment-hosted copper sulphide and oxide intersections offering the Company materially wider exploration potential. Click here<\/a><\/strong><\/span> to learn more.<\/p>\n<\/div>\n<\/div>\n

<\/p>\n

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Corporate Presentation<\/h2>\n<\/div>\n
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View here<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Overview The Marimaca Copper Project is the Company\u2019s flagship project location in Antofagasta, Chile \u2013 one of the world\u2019s premier mining jurisdictions. Following our 2025 Definitive Feasibility Study the Project is now rapidly advancing towards a final investment decision in the second half 2026, with the intention of becoming Chile\u2019s newest green copper mine. At […]<\/p>\n","protected":false},"author":6,"featured_media":7080,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"projects\/marimaca-copper-project-overview.php","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-9729","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nMarimaca Copper Project Overview Test - Marimaca<\/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:\/\/marimaca.com\/es\/marimaca-copper-project-overview-test\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Marimaca Copper Project Overview Test - Marimaca\" \/>\n<meta property=\"og:description\" content=\"Overview The Marimaca Copper Project is the Company\u2019s flagship project location in Antofagasta, Chile \u2013 one of the world\u2019s premier mining jurisdictions. 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