Sigma Lithium Resources
LATIN AMERICA
Brazil mining regulator halts lithium activities in Minas Gerais
Sigma and Atlas projects affected
15 September 2025
EXPLORATION & DEVELOPMENT
Sigma boosts mineral reserves, extends operations
Proven and probable mineral reserves at Grota do Cirilo increased by 40%
09 May 2024
ENERGY MINERALS
Sigma Lithium goes ahead with $100M second plant
First lithium production from the new plant expected in 2025
02 April 2024
ENERGY MINERALS
Sigma Lithium receives letter of arbitration from LG Energy Solution
LG alleges Sigma Lithium is in breach of terms of an offtake agreement
20 March 2024
ENERGY MINERALS
Sigma Lithium investing $100m in second Brazil plant
The plant would add 240,000tpa of lithium production capacity
14 February 2024
ENERGY MINERALS
Sigma loses another executive amid sale talks
Exit follows earlier departures of co-chief executive and chief operating officer
30 January 2024
RESOURCE STOCKS
Stinger Could Be a Game-Changer
High-grade TREO, niobium, and scandium hits highlight Stinger’s potential
RESOURCE STOCKS
Youanmi Acceleration: 24-Hour Mining Begins
What round-the-clock mining means for timelines, new works, dewatering, and approvals.
RESOURCE STOCKS
Kairos Secures Nyamal Agreement
A look at how the Nyamal agreement unlocks Mt York’s progress, community benefits,
PARTNER CONTENT
Inside the West's Hidden Weak Spot — The Race for Rare Earth Control
As governments scramble to secure critical minerals, one Canadian project may be quietly positioned within the West’s next industrial realignment
ESG Index 2025: Benchmarking the Future of Sustainable Mining
The ESG Index provides an in-depth evaluation of the ESG performance of 60+ of the world’s largest mining companies. It assesses companies across 10 weighted indicators within 6 essential ESG pillars.
Leadership Insights 2025
Leadership Insights reveals key trends in priority mining issues through interviews with 15+ top mining company executives and an industrywide survey.
Mining IQ Risk Analytics
Risk Analytics offers interactive access to World Risk Insight data, allowing you to customise risk views, benchmark jurisdictions, explore data behind scores and read expert commentary to guide your decision-making.
Project Pipeline Index 2025
View our 50 top mining projects, handpicked using a unique, objective selection process from an expanded database of 600+ global assets.
THE ASPERMONT BRAND PORTFOLIO
Copyright © 2025 Aspermont Media Ltd. All rights reserved. Aspermont Media is a company registered in England and Wales. Company No. 08096447. VAT No. 136738101. Aspermont Media, Moor Place, 1 Fore Street Avenue, London, England, EC2Y 9DT.