Terres rares : Exploration et production miniére

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suite de ce post du 28 juin 2026 : viewtopic.php?p=2425091#p2425091

Greenland approves Tanbreez mine plans through 2050
The Greenlandic authorities’ decision builds on the exploitation licence granted for the Tanbreez project in 2020.

Shree Mishra October 6, 2026

Critical Metals has secured formal approval from the Government of Greenland for the mining plan and closure plan at its Tanbreez project in southern Greenland.

The permissions, which extend until September 2050, cover the extraction of 19 critical elements and allow the company to progress towards construction of the mine.

The Greenlandic authorities’ decision builds on the exploitation licence granted for the Tanbreez project in 2020.

This approved mining plan sets out how Critical Metals, via its subsidiary Tanbreez Mining Greenland, will build and operate the mine at Killavaat Alannguat in south-west Greenland.

It also covers the construction of processing facilities, a port and supporting infrastructure in the area between Narsaq and Qaqortoq.

The closure plan outlines procedures for decommissioning and rehabilitation after the mine’s operational period, to ensure compliance with regulatory and environmental standards.

Critical Metals chairman and CEO Tony Sage said: “Approval of the Mining and Closure Plans is a defining milestone for Tanbreez and for Critical Metals. It gives us a clear framework through 2050 to responsibly develop one of the world’s largest heavy rare earth deposits, in partnership with the Government of Greenland and the communities of South Greenland.

“We thank the government and the Mineral Resources Authority for their thorough review, and we now move forward with the specific operating permits that will take us to construction.”

The government’s decision, granted under sections 77 and 80 of the Greenland Parliament Act on Mineral Activities and Exclusive Licence No. 2020-54, is seen as a major milestone for the project.

Among the approved elements are the heavy rare earths terbium, dysprosium and yttrium, as well as neodymium and praseodymium, commonly used in the production of permanent magnets for electric vehicles, wind turbines and electronic devices.

Other elements include zirconium, tantalum, hafnium and niobium, identified in official materials as being important for a range of advanced industries.

Before construction can commence, Critical Metals is required to obtain additional operating permits under sections 120 and 121 of the Greenland Mineral Activities Act.

These permits will cover environmental controls, marine transport, and health and safety, as well as procedures for the export and sale of minerals.

In March 2026, Critical Metals approved a $30m programme to expedite the development of the Tanbreez project.

https://www.mining-technology.com/news/ ... 0/?cf-view

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suite de ce post du 1er aout 2026 : viewtopic.php?p=2425883#p2425883

Terres rares : la future mine Ampasindava franchit un cap vers la construction à Madagascar

Agence Ecofin 12 oct 2026

Au-delà du graphite, dont il figure parmi les principaux producteurs africains, Madagascar dispose d’un potentiel minier diversifié, notamment dans les minerais critiques. Ce potentiel se concrétise entre autres à travers le développement de projets de terres rares, dont celui d’Ampasindava.

Harena Rare Earths a annoncé, lundi 12 octobre, la formalisation du permis d’exploitation de son projet de terres rares Ampasindava, à Madagascar. Cette étape réglementaire permet à la compagnie de poursuivre le développement de la future mine, dont la mise en production est prévue en 2028.

Cette avancée intervient après la signature, en août dernier, du cahier des charges minier avec les autorités malgaches. Selon Harena, la formalisation du permis confirme les engagements sociaux, environnementaux, techniques et financiers convenus dans ce cadre et permet de progresser vers la construction des installations prévues pour la première phase du projet. La note ne précise toutefois ni la durée de validité du permis ni les conditions fiscales et autres obligations qui lui sont associées.

D’après une étude de préfaisabilité publiée en janvier, Ampasindava nécessiterait un investissement initial de 142 millions USD. Sur une durée de vie de 20 ans, la mine devrait produire 71 000 tonnes d’oxydes de terres rares (TREO), dont du dysprosium et du terbium (DyTb), utilisés dans la fabrication d’aimants permanents, notamment pour les moteurs de véhicules électriques et l’électronique.

« La formalisation du permis d’exploitation constitue une étape majeure pour Harena et le projet Ampasindava ; elle s’appuie sur les conditions minières déjà convenues avec le gouvernement de Madagascar et nous permet de faire progresser le projet vers sa prochaine phase de développement […]. Notre priorité immédiate est désormais de mener à bien la procédure d’autorisation environnementale nécessaire pour passer au programme pilote », a déclaré Ivan Murphy, président exécutif de Harena Rare Earths.

L’approbation de l’étude d’impact environnemental et social (EIES), actuellement en cours, constitue une étape déterminante pour compléter les autorisations réglementaires nécessaires au projet. Elle doit permettre à Harena de déployer une usine pilote, destinée à affiner les paramètres techniques et la stratégie de développement d’Ampasindava. Une étude de faisabilité définitive doit ensuite préciser le modèle économique de la future mine.

Aucune échéance n’a été communiquée pour la finalisation de ces démarches. La mobilisation du financement et le lancement de la construction sont attendus en 2027, selon le calendrier présenté par la compagnie. À terme, Ampasindava pourrait contribuer à diversifier l’approvisionnement mondial en terres rares en dehors de la Chine, tout en générant des retombées locales en matière d’emplois et de recettes.

https://www.agenceecofin.com/actualites ... madagascar

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Gros projet de terres rares au Brésil : Caldeira project. Pour une mine et une usine de séparation de terres rares.

Lynas plans Brazil rare earths plant with state support

Gabriel García | October 12, 2026

Lynas Rare Earths (ASX: LYC) has presented plans to build a rare earth oxide separation plant in Brazil’s Minas Gerais state, Mines and Energy Minister Alexandre Silveira told MINING.COM, as the government considers backing a project that could become one of the largest such facilities outside China.

The proposal forms part of Lynas’ expansion into Brazil through its $672 million acquisition of Meteoric Resources, whose Caldeira project hosts one of the world’s largest known ionic-clay rare earth deposits outside China. State development bank BNDES is evaluating potential financing, according to people familiar with the discussions.

“The project to implement a rare earth oxide separation plant in the Poços de Caldas region, presented by the company, could be a milestone for Brazil to advance through different stages of the value chain, adding value to our product and moving the country away from being merely an exporter of raw materials,” Silveira said in written comments.

The proposed facility would give Brazil a foothold in commercial-scale rare earth separation, an industry dominated by China, while potentially creating processing capacity for other ionic-clay deposits being developed in southern Minas Gerais.

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The scale of Caldeira could underpin that ambition. Meteoric’s definitive feasibility study outlined a mineral resource of 1.63 billion tonnes grading 2,317 parts per million total rare earth oxides, including an ore reserve of 151 million tonnes at 3,524 ppm.

The project is designed to produce an average of about 12,500 tonnes of total rare earth oxides annually over a 23-year mine life, including neodymium-praseodymium and the heavy rare earths dysprosium and terbium.

The study estimated initial development capital at approximately $498 million, excluding the cost of a separate large-scale oxide separation facility.

That additional investment remains a key consideration as Brazil seeks to turn its rare earth exploration boom into an integrated domestic industry. Whether the proposed plant proceeds will depend on financing, regulatory approvals and Lynas’ final investment decision.

https://www.mining.com/lynas-plans-braz ... e-support/

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La compagnie Arafura Rare Earths en Australie conclu un accord de vente de terres rares à l'etats-unien Traxys pendant 5 ans:

Rinehart-backed Arafura expands US rare earths deal by 70%

Staff Writer | October 14, 2026


Nolans project location. (Image courtesy of Arafura Rare Earths | LinkedIn.)

Gina Rinehart-backed Arafura Rare Earths has agreed to supply Traxys North America with 850 tonnes of neodymium-praseodymium (NdPr) oxide a year from its Nolans project, up 70% from the volume in their original term sheet.


The binding agreement runs for five years, with an option to extend by two years by mutual consent. The May 2026 term sheet outlined annual deliveries of 500 tonnes of NdPr oxide and potential supplies of 7.5 tonnes of dysprosium-terbium oxides.

The supply deal comes as the US government is building a strategic reserve of critical minerals while helping protect manufacturers from supply disruptions. Traxys is one of three commodity trading and procurement companies selected to source and manage materials for the program.

The deal comes as the US seeks to reduce its reliance on China for rare earths, which are used in permanent magnets for defence equipment, electric vehicles and other advanced technologies.

Australia is also backing Nolans through its A$1.2 billion Critical Minerals Strategic Reserve, which has committed to buying 500 tonnes of NdPr oxide annually from the project. Hancock Prospecting, controlled by mining billionaire Rinehart, holds a 17.5% stake in Arafura.

Located about 135 km from Alice Springs, Nolans is being developed as Australia’s first integrated ore-to-oxide rare earths operation, with a mine, processing and separation plants, and supporting infrastructure. Construction began this month, with first production expected in mid-2029. Arafura says the project could meet about 5% of global rare earth demand.

The company is in discussions with other potential offtake partners as it advances the project.

https://www.mining.com/rinehart-backed- ... eal-by-70/