ENERGY MINERALS

Sigma resumes Brazilian mining operations

The company expects to produce up to 270,000t this year

Marcelo Portela
Sigma's Grota do Cirilo mine in Minas Gerais, Brazil. Source: Sigma Lithium Resources

Sigma's Grota do Cirilo mine in Minas Gerais, Brazil. | Credits: Sigma Lithium Resources

Sigma Lithium has resumed mining at its Grota do Cirilo lithium project in Vale do Jequitinhonha, Brazil. Activities had been suspended since mid-2025. The resumption of operations is part of the company's...

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