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Sigma Lithium Resources Corp.

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Summary

Project:

Grota do Cirilo

Deposit:Grota do Cirilo
Location:Brazil
Commodities:Lithium
Date:8/16/2018
Report Code:JORC
Report Type:Exploration/Drilling Update
Project Stage:Pursuing Resources Definition
Report details:16-8-2018: Sigma Lithium Resources Corp. announces an Exploration/Drilling Update report for its Grota do Cirilo deposit at the Grota do Cirilo project. Drilling results incl. 41.9m @ 1.88% Li2O from 80.9m. SIGMA Lithium Corporation ("Sigma" or the "Corpo
Resources:x
CP/QP:[Overall Report]: Marc-Antoine Laporte (Internal)
ABSTRACT:SIGMA Lithium Corporation ("Sigma" or the "Corporation") (TSX-V: SGMA) announces today the commissioning of the Phase 1 production plant on its property site in Minas Gerais, Brazil. This is a very significant step towards achieving full-scale commercial production at its Grota do Cirilo Property – targeted for the fourth quarter of 2019. Sigma is also pleased to provide an update on the 2018 drilling campaign of its lithium deposits at its Grota do Cirilo Property, including the assay results received to date. Sigma’s diamond drilling campaign of ˜30,000 meters is well underway and on track to achieve the goal of increasing the existing measured, indicated and inferred lithium mineral resources of 13,5 million tonnes to 37 million tonnes, validating the additional exploration potential previously identified in Sigma’s existing National Instrument 43-101 Independent Technical Report (“NI 43-101”) filed earlier in 2018. Sigma has commissioned its phase 1 production plant which includes a cost effective Dense Media Separation (DMS) process circuit. The plant is designed to produce a high-quality battery-grade coarse spodumene concentrate with 6% Li2O. The production plant is modular and is expected to initially produce 12,000 tonnes of lithium spodumene concentrate per year. The plant has a two-stage crushing circuit with a capacity of 60 tonnes per hour (doubled from the original design). The DMS unit produces two coarse fractions of concentrate of +4mm to - 10mm and +10mm to -20mm. Sigma continues to test ore sorter technologies, in order to include an ore sorter as a first stage module of the production plant, to further increase its downstream capacity in the future.

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