The definitive case study in governance failure: Mariana, Brumadinho, and how catastrophe rewrote the rules of mining.
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Mining & Steel
Expert guides, analysis and tool comparisons on Mining & Steel from the kurums.com Startup desk — written for business decision-makers and updated as the market moves.
- 5 guides
- Updated Aug 19, 2026
Latest in Mining & Steel
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Usiminas: Japan’s Brazilian Steel Alliance and the War for Its Control
Sixty years of alliance capitalism: how Usiminas was built by Japan, fought over by giants and retooled by Ternium.
CSN: From Vargas’s National Steel Dream to the Steinbruch Empire
Latin America’s first great steel mill became a family-run mining-cement-logistics conglomerate. The CSN story.
Gerdau: Five Generations From Nail Factory to Steel Multinational
A 1901 Porto Alegre nail factory became the Americas’ largest long-steel producer — without losing the family or the discipline.
Vale: From State Champion to the World’s Iron Ore Superpower
The heaviest company in Brazil: Vale’s state origins, China-fueled rise, dam tragedies and decarbonization bet.
