Sigma Mineração S.A., subsidiary of Sigma Lithium Resources Corporation (TSXV:SGMA), announced plans to raise BRL 230 million in 2018 for investment in a lithium mine in Vale do Jequitinhonha, Minas Gerais. The funds will be raised through opening the company's capital, with a public offer planned to be launched on the Toronto stock exchange by March 2018, with the aim of raising a third of the required resources. A further third of the investment will be secured through new debt operations, whilst the last third will come though foreign investment.