Rincon Lithium (IFC-49112)

Regions
  • Latin America and Caribbean
Geographic location where the impacts of the investment may be experienced.
Countries
  • Argentina
Geographic location where the impacts of the investment may be experienced.
Specific Location
Salar del Rincón; Los Andes department, province of Salta, in the Puna Region
Whenever identified, the area within countries where the impacts of the investment may be experienced. Exact locations of projects may not be identified fully or at all in project documents. Please review updated project documents and community-led assessments.
Financial Institutions
  • International Finance Corporation (IFC)
International, regional and national development finance institutions. Many of these banks have a public interest mission, such as poverty reduction.
Project Status
Proposed
Stage of the project cycle. Stages vary by development bank and can include: pending, approval, implementation, and closed or completed.
Bank Risk Rating
A
Environmental and social categorization assessed by the development bank as a measure of the planned project’s environmental and social impacts. A higher risk rating may require more due diligence to limit or avoid harm to people and the environment. For example, "A" or "B" are risk categories where "A" represents the highest amount of risk. Results will include projects that specifically recorded a rating, all other projects are marked ‘U’ for "Undisclosed."
Borrower
Rincon Mining Pty Ltd
A public entity (government or state-owned) provided with funds or financial support to manage and/or implement a project.
Sectors
  • Mining
The service or industry focus of the investment. A project can have several sectors.
Investment Type(s)
Loan
The categories of the bank investment: loan, grant, guarantee, technical assistance, advisory services, equity and fund.
Investment Amount (USD)
$ 400.00 million
Value listed on project documents at time of disclosure. If necessary, this amount is converted to USD ($) on the date of disclosure. Please review updated project documents for more information.
Loan Amount (USD)
$ 400.00 million
Value listed on project documents at time of disclosure. If necessary, this amount is converted to USD ($) on the date of disclosure. Please review updated project documents for more information.
Project Cost (USD)
$ 2,500.00 million
Value listed on project documents at time of disclosure. If necessary, this amount is converted to USD ($) on the date of disclosure. Please review updated project documents for more information.
Primary Source

Original disclosure @ IFC website

Updated in EWS Oct 3, 2025

Disclosed by Bank Sep 26, 2025


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Project Description
If provided by the financial institution, the Early Warning System Team writes a short summary describing the purported development objective of the project and project components. Review the complete project documentation for a detailed description.

According to the information available on the project disclosure page, IFC is considering a loan to support the construction and operation of the Salar del Rincon Project (the Project), a greenfield ~53ktpa battery-grade lithium carbonate mine to be developed in the Salar del Rincón (the “Salar”), a salt pan located in the province of Salta, in the Puna Region of Argentina, by Rio Tinto (the “Sponsor”). The sponsor will implement the project through its wholly owned indirect subsidiary, Rincon Mining Pty (“Rincon” or the “Borrower”).

The project is located at approximately 3,725 meters above sea level, in the hydrographic basin of the Salar del Rincón, in the Los Andes department, in the province of Salta, and covers a total of 829 km2. The project is located approximately 150 km west of San Antonio de los Cobres (departmental capital) and 270 km from the city of Salta (provincial capital). Catua (approximately 750 inhabitants) is the closest residential area to the project (approximately 17 km to the northwest) and is in the department of Susques, province of Jujuy. Within the province of Salta, the nearest residential areas are Olacapato (approximately 300 inhabitants), approximately 56 km west of the project, and Salar de Pocitos Station (approximately 70 inhabitants), 46 km south of the project. In addition, there are 153 identified dispersed rural dwellings or hamlets (puestos), 34 of which are within the area of influence of the project, with only 23 known to be actively used, (within the territories of Catua, Estación Salar de Pocitos, and Olacapato). The project is located close to International Route 51, which leads from Salta City to the Sico Pass to Chile (to the west).

The Salar del Rincón basin is in the Central Andean dry puna ecoregion (WWF), within a Legally Protected Area (LPA), Los Andes Nature Wildlife Reserve (IUCN cat VI). The project area is characterized by a salar nucleus situated at the centre of the basin, surrounded by extensive alluvial fans, colluvial deposits, and low-permeability bedrock. Precipitation is highly seasonal, and evaporation rates significantly exceed precipitation. The Rincón basin functions as a hydrological endorheic system, with groundwater recharge approximately balanced by evaporation losses and absence of surface water outflows.

It is proposed that wellfields will be installed in the salar and in the Catua Alluvial Fan to abstract lithium-bearing brine from aquifers in the salar's closed basin and raw (brackish) water, respectively. Spent brine will be managed utilizing a Spent Brine Disposal Facility (SBDF), where the spent brine will either naturally evaporate or infiltrate into the underlying sediments. The extracted brine will be processed by an ion adsorption technique (generically known as direct lithium extraction or ‘DLE’) to remove lithium for further concentration, leading to the lithium carbonate (LC) product.

The project is expected to have a mine life of at least 40 years, through the installation of two production plants (stages 1 and 2) of 25 thousand tonnes per year (ktpa) each, with a final production capacity of 50 ktpa in a single manufacturing complex. The main mine components include a wellfield and brine distribution system, production plant(s), SBDF, filtered waste storage facilities (FWSF), overhead transmission lines (‘OHTL’, two 23 km, 33 kV lines), and ancillary infrastructure (workers camp, administration and support buildings, etc.).
Existing infrastructure includes a 3000 ktpa LC projection-scale pilot plant (“Rincon 3000”) and airstrip, internal roads, and other facilities. The project's development is planned to follow a staged approach (stage 1 & stage 2), targeted to start production approximately one year apart.

Early works related to Stage 1 construction commenced in Q3 2025, and first production is expected by Q1 2028. Stage 2 construction is targeted for mid-2027 and will start production in Q1 2029.

Investment Description
Here you can find a list of individual development financial institutions that finance the project.

As stated by the IFC, the Project cost is estimated at ~US$2.5 billion. It will be financed using a combination of debt and equity. The proposed IFC investment comprises an A Loan of up to US$400 million, and the remaining debt requirements will be mobilized through parallel loans.

Private Actors Description
A Private Actor is a non-governmental body or entity that is the borrower or client of a development project, which can include corporations, private equity and banks. This describes the private actors and their roles in relation to the project, when private actor information is disclosed or has been further researched.

As stated by the IFC, the Project is being developed by Rincon Mining Pty Limited – Argentina Branch (the “Borrower”), which is incorporated in Argentina. Rincon Mining Pty Limited is a wholly owned, indirect subsidiary of Rio Tinto PLC, the Sponsor. Rio Tinto is a leading global metals and mining company headquartered in the United Kingdom with operations in 35 countries. Rio Tinto (https://www.riotinto.com/) is dually listed on the London Stock Exchange (LSE:RIO) and Australian Securities Exchange (ASX:RIO).

Private Actor 1 Private Actor 1 Role Private Actor 1 Sector Relation Private Actor 2 Private Actor 2 Role Private Actor 2 Sector
- - - - Rio Tinto PLC Client Mining

Contact Information
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Client - Rincon Mining Pty Limited – Argentina Branch:

Alex Russo - Program Manager
Phone: +61 04 57527906
Email: alexandre.russo@riotinto.com
Address: Olga Cossettini 1071, CABA, Argentina
Website: https://www.riotinto.com/en/operations/projects/rincon

General IFC Inquiries - IFC Communications:

Address: 2121 Pennsylvania Avenue, NW, Washington DC 20433
Telephone: +1 202-473-3800
Fax: +1 202-974-4384

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The Compliance Advisor Ombudsman (CAO) is the independent complaint mechanism and fact-finding body for people who believe they are likely to be, or have been, adversely affected by an IFC or MIGA- financed project. If you submit a complaint to the CAO, they may assist you in resolving a dispute with the company and/or investigate to assess whether the IFC is following its own policies and procedures for preventing harm to people or the environment. If you want to submit a complaint electronically, you can email the CAO at CAO@worldbankgroup.org You can learn more about the CAO and how to file a complaint at http://www.cao-ombudsman.org

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