Critical Minerals

Monte Muambe Mining Ltda (the “Grantee”) invites submission of qualifications and proposal data (collectively referred to as the “Proposal”) from interested U.S. firms that are qualified on the basis of experience and capability to execute a pre-feasibility study (the “Study”) for the development of its rare earths mining and processing facility in the Moatize District of the Tete Province in northwest Mozambique (the “Project”). The Proposal submission deadline is at 4 p.m. Central African Time, 10 a.m. Eastern Daylight Time, on May 4, 2026. The U.S. firm selected will be paid in U.S. dollars from a $1,875,000 grant to MMM from the U.S. Trade and Development Agency.

Prospective Offerors may submit questions related to the content of this RFP to: RFP@ustda.gov.  The deadline for submitting questions shall be April 20, 2026, 12:00PM EDT.  The email subject line must read: “RFP Question: Monte Muambe Rare Earths Mining Project; 2026-11004A.” 

About the Grantee

The Grantee is a Mozambique-based mining company established in 2019 and headquartered in Maputo, Mozambique. Its parent company and majority owner is Altona Rare Earths PLC, a publicly traded junior mining company founded in 2005 and based in London. The Grantee’s other owners are Pedro Jeremais Manjate and Rogerio Paulo Samo-Gudo.

Project Background

The Project consists of producing approximately 15,000 tons of mixed rare earth carbonate, containing neodymium, praseodymium, dysprosium, and terbium, from the Grantee’s Monte Muambe mine.

About the Study

The objective of the Study is to derisk the metallurgy and process engineering components of the Project through an evaluation of the technical, economic, and financial viability of the production of mainly four rare earth elements—neodymium, praseodymium, dysprosium, and terbium. The Study will involve sampling and characterization of rare earth deposits, metallurgical testing and process engineering, engagement with U.S. offtakers and suppliers, economic and financial models, a preliminary Environmental and Social Impact Assessment, and a development impact assessment.

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Mozambique: Monte Muambe Rare Earths Mining Pre-Feasibility Study

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