Strategic Minerals at Meseta Sirven, Santa Cruz Province - Argentina
- Argentine exploration company specializing in energy and critical mineralsprivately owned by two majority shareholders with equity stakes of 90% and 10%, respectively.
- Main objective: to manage all stages of mineral exploration, from initial studies through to the assessment of mining project feasibility.
- Management team with extensive experience—more than 40 years in exploration and project development, both nationally and internationally.
- Guiding principle: to establish and maintain close collaboration with local communities and Indigenous peoples in the regions targeted for exploration.
SOBRE NOSOTROS
SOPHIA ENERGY S.A
The Company
SOPHIA ENERGY S.A. es una empresa argentina de exploración minera con sede en Buenos Aires. Su actividad se concentra en la Meseta Sirven, en el centro-norte de la Provincia de Santa Cruz, un distrito con potencial en Uranio, Vanadio y Tierras Raras, minerales clave para la transición energética y el desarrollo tecnológico.
KEY FIGURES
SOPHIA ENERGY S.A.
100,000+
hectares
(~20x the city of Rio Gallegos)
More than 15 years
exploration in the district
Initial estimate
of Uranium-Vanadium resources in the Sirven Area (2026)
New Heavy
de Tierras Raras Pesadas:
el Proyecto Castillo
4,374 t
U₃O₈ Indicated + Inferred
17,840 t
V₂O₅ co-product
31,500 t
TREO + Y₂O₃ quantified near the surface.
<20 %
of the favorable U-V belts tested so far
Oportunidad de desarrollo para el mercado interno
Las tres centrales nucleares de Argentina (Atucha I, Atucha II y Embalse) funcionan con aproximadamente 220 toneladas de Uranio importado al año.
Última actividad minera de Uranio en el país registrada en 1995.
Established Social Licence
Evaluación de Impacto Ambiental aprobada.
Acuerdo de Cooperación Empresarial con FOMICRUZ S.E. y Alianzas Estratégicas con Comunidades Indígenas Locales.
Rare-earth upside
Castillo Belt: 31,500 t TREO + Y₂O₃ quantified near surface, heavy-REE enriched — drilling planned.
Yacimiento superficial de U-V (Uranio-Vanadio)
Carnotita en conglomerados y Calcreta en los primeros 2 metros desde la superficie, mediante trincheras y calicatas de exploración.
About Us
SOPHIA ENERGY S.A.
Our History
El potencial Uranífero de la zona se conoce desde 1959, cuando relevamientos de la Comisión Nacional de Energía Atómica (CNEA) detectaron las primeras anomalías radiactivas al este de Sirven. Desde 2013, tras obtener la Declaración de Impacto Ambiental de la autoridad minera provincial, SOPHIA ENERGY S.A. desarrolla un programa de exploración continuo en sus propiedades.
Start of Exploration
Commencement of SOPHIA ENERGY S.A.’s Exploration Activities at Meseta Sirven.
Aerial Radiometric Survey
An airborne total gamma-ray radiometric survey was conducted using a light aircraft.
Prospective Areas.
Identification and Definition of Prospective Areas.
Agreement with FOMICRUZ S.E.
Business Collaboration Agreement with FOMICRUZ S.E.
Systematic Sampling
Muestreo sistemático en las Áreas Sirven y El Alto. Descubrimiento de Tierras Raras Pesadas en la Formación Castillo.
Resource Estimate
Initial Resource Estimate for Uranium and Vanadium in the Sirven Area.
New Potential
Update on the Rare Earth Potential of the Castillo Project.
Factibility
Progress in Feasibility Studies and Mineral Resource Estimation for the Castillo Project.
Drilling
Rare Earth Drilling Studies at the Castillo Project
AGREEMENT
SOPHIA ENERGY S.A.
Strategic Partnerships
- situado en el norte de la provincia de Santa Cruz.
SOPHIA ENERGY S.A. signed a Business Cooperation Agreement with FOMICRUZ S.E. in January 2025, with the aim of exploring and developing uranium deposits in the Meseta Sirven Mining District, located in the northern part of Santa Cruz Province.
- In late 2025, at the request of the CACIQUE LIMONAO Indigenous Community, a cooperation agreement was formalized with SOPHIA ENERGY S.A. and FOMICRUZ S.E., with the aim of carrying out mineral exploration activities within its territory.
- SOPHIA ENERGY S.A. signed a Business Cooperation Agreement with FOMICRUZ S.E. in January 2025, with the aim of exploring and developing uranium deposits in the Meseta Sirven Mining District, located in the northern part of Santa Cruz Province.
DIRECTORIO Y EQUIPO
SOPHIA ENERGY S.A.
Guillermo Re Kühl, Geologist
President
Graduate in Geological Sciences from the University of Buenos Aires, he earned a Master's degree in Geological Sciences from Cornell University, USA.
He has over 40 years of experience applying hyperspectral remote sensing technology across various fields, particularly in mining and oil and gas exploration. His professional contributions include more than 40 papers presented at national and international meetings and conferences, as well as publications in specialized journals.
He has held key positions at leading international companies, including FMC GOLD (Nevada, USA), INCO LIMITED (Toronto, Canada), and CHEVRONTEXACO (Texas, USA). He currently serves as President of SOPHIA ENERGY S.A.
DIRECOTRIO Y EQUIPO
SOPHIA ENERGY S.A.
Patricio Alcain
Operations Manager
Over 20 years of experience leading and coordinating operations for mining and oil and gas exploration projects across South America, ensuring efficiency, safety, and environmental compliance.
Responsible for integrating advanced technologies—including geophysics, remote sensing, radiometry, 3D modeling, and data analysis—into decision-making processes. Experienced in managing multidisciplinary teams, contractors, and budgets, as well as optimizing processes to accelerate resource discovery and development across a diverse portfolio of projects.
DIRECTORIO Y EQUIPO
SOPHIA ENERGY S.A.
Ivana Nievas
Business Development Coordinator
Her work contributes to strengthening strategic partnerships, generating new business opportunities, and enhancing the company's positioning in the energy and mining sectors, both nationally and internationally.
She combines her background in International Relations with data analysis tools to coordinate business development initiatives, investor relations, and corporate communications.