Grota do Cirilo
ENERGY MINERALS
Sigma resumes Brazilian mining operations
The company expects to produce up to 270,000t this year
03 February 2026
MINERS
Sigma shares slightly recover after lithium sale
Share price volatility amid waste pile shutdown
27 January 2026
MINERS
Sigma shares drop as Brazil shuts down waste facilities
Waste and tailing piles an “imminent risk”, according to Brazil’s labour ministry
19 January 2026
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 investing $100m in second Brazil plant
The plant would add 240,000tpa of lithium production capacity
14 February 2024
REGULATION
Former Sigma co-CEO fired for trading shares during blackout
The miner didn’t specify the reason for Calvyn Gardner’s departure in January
24 November 2023
ENERGY MINERALS
Sigma Lithium stock up on first quarterly profit
Sigma Lithium announced the results of its first operational quarter
16 November 2023
RESOURCE STOCKS
Kairos Receives $10M, Mt York Cash Hits $35M
Company cash hits $35M, accelerating Mt York Gold Project and 2026 plans.
RESOURCE STOCKS
Sharper Grades Confirm Mangaroon's Corridor of Opportunity
One-metre resampling and the Minga Bar shear highlight Mangaroon’s next drill targets
RESOURCE STOCKS
Excelsior Project Shows Major Gold Potential
Mammoth Minerals advances exploration in Nevada’s high-potential gold belt.
RESOURCE STOCKS
Dreadnought's Illaara Shift: High-Grade Upside
DRE extends Illaara lodes with high-grade results, improving project confidence and
Investor Sentiment Insights 2026
Discover what investors have planned for mining in 2026 in our industry-leading survey
World Risk Insights 2025 (feat. MineHutte ratings)
A detailed analysis of mining investment risks across 120 jurisdictions globally, assessed across six risk categories and an industrywide survey.
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.
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