| Announcement Date: | 2023-01-16 |
|---|---|
| Announcement Type: | Deposit Estimation |
| Announcement Code: | NI43-101 |
| Company name: | Sigma Lithium Resources Corp. |
| Project name: | Grota do Cirilo |
| Location: | Brazil |
| Commodities: | Lithium |
| Highlight: | Updated Resource and Initial Reserve Estimates for Project |
| Resources: | only available to subscribers |
| CP/QP: | only available to subscribers |
| Announcement summary: | Sigma Lithium Corporation (Sigma) requested SGS Geological Services (SGS) to prepare an updated NI 43-101 Technical Report (the Report) on Sigma’s Grota do Cirilo project located in Minas Gerais State, Brazil. This report contains an updated Mineral Resource Estimate and the maiden Mineral Reserve Estimate for the Nezinho do Chicao pegmatite and a PFS-level study for Phase 2 & 3 of the project. Sigma Mineração S.A. (SMSA) is the Brazilian subsidiary of Sigma and is the owner of the mining rights and the holder of mining concessions ordinance which includes the Xuxa, Barrerio, Murial, Lavra do Meio and Nezinho do Chicao deposits. The Report supports the disclosure by Sigma in the news release dated the 5th of December 2022. Mineral Resources and Mineral Reserves (MRMR) are reported using the 2014 Canadian Institute of Mining, Metallurgy and Petroleum (CIM) Definition Standards (2014 CIM Definition Standards) and adhere to the 2019 CIM Estimation of Mineral Resources & Mineral Reserves Best Practice Guidelines (2019 CIM MRMR Guidelines). |
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