How it's built
The data, the reconciliation engine, and the cross-source checks the atlas rests on.
How the atlas worksthe mechanism: inputs, method, outputs — and the five checks every figure passes
Methodology & validation
Production in tonnescross-source check (USGS x WMD x BGS)
Case studiesknown-chain audit
Risk methodsTOPSIS · GeoPolRisk · tail
Technical note(PDF)
Project maphow it's built
Open data / API
Rigor & falsification
Does it survive stress? The atlas states its limits, tests its own findings, and invites you to break it.
What you can trustthe short version: what survives, and how we know — start here
Robustnessdo findings survive?
Nowcast backtestOut-of-sample: does last year predict this year?
How firm is this year's figure?how far the USGS moves its own current-year production figures, measured across 150 annual editions
Scorecard uncertainty(Monte-Carlo)
Network truncation sensitivity
How to model a shockmethod study
Volatilityby-product, or just small?
IEA cross-checkdoes our risk index recover theirs?
Limitations & falsification
Break this atlasopen challenge
For reviewersOpen invitation to audit the atlas — claims, scripts, known weaknesses
Reference & synthesis
Cross-cutting reads and the atlas's hardest cases.
Looking for something specific? The interactive explorer covers every material and country, and the value-chains layer traces 58 end-use supply chains. About the atlas →