Brazil's Labor Ministry has shut down three waste piles at Sigma Lithium's ‌flagship mine in the state of Minas Gerais, ...

Reuters reported Brazil's Labor Ministry has shut down three waste piles at Sigma Lithium's Grota do Ciril mine, citing a ...

Sigma Lithium Corporation engages in the exploration and development of lithium deposits in Brazil. It holds a 100% interest in the Grota do Cirilo, Genipapo, Santa Clara, and São José properties ...

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