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Sigma boosts mineral reserves, extends operations

Proven and probable mineral reserves at Grota do Cirilo increased by 40%

Isabeau van Halm
Sigma's Grota do Cirilo mine in Minas Gerais, Brazil. Source: Sigma Lithium Resources

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

Sigma Lithium increased its proven and probable mineral reserves at its Grota do Cirilo operation in Brazil by 40% to 77Mt from 54.8Mt. The increase will allow Sigma to extend operations to around 25...

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