{"consulted":"2026-10-02","metrics":[{"label":"Réserves nationales de bauxite","value":7.4,"unit":"milliards de tonnes sèches","scope":"Guinée entière ; aucune ventilation régionale","measurement_kind":"reserve","observation":"Estimation reprise dans l’édition 2026 ; date de levé inconnue","publication_year":2026,"source_id":"usgs-bauxite-2026","locator":"Bauxite and Alumina · World reserves · ligne Guinea","consulted":"2026-10-02","license":null,"status":"estimation publiée","verification":"reviewed-primary","note":"Conversion d’unité : 7 400 000 milliers de tonnes = 7,4 milliards de tonnes. Ce chiffre n’est pas une découverte mesurée en 2026."},{"label":"Minerai dans les réserves de Siguiri","value":82.62,"unit":"millions de tonnes de minerai","scope":"Siguiri SAG · participation attribuable AngloGold 85 %","measurement_kind":"reserve","observation":"2025-12-31","publication_year":2026,"source_id":"aga-reserves-2025","locator":"Mineral Reserve 2025 · ligne Siguiri (85 %)","consulted":"2026-10-02","license":null,"status":"estimation publiée","verification":"reviewed-primary","note":"Teneur moyenne 0,81 g/t ; contient 67,29 tonnes d’or (2,16 Moz). Le tonnage du minerai n’est pas celui de l’or."},{"label":"Ressources mesurées + indiquées de Siguiri","value":154.81,"unit":"millions de tonnes de minerai","scope":"Siguiri SAG · participation attribuable 85 % · hors réserves","measurement_kind":"resource","observation":"2025-12-31","publication_year":2026,"source_id":"aga-reserves-2025","locator":"Mineral Resource 2025 · Measured + Indicated · Siguiri (85 %)","consulted":"2026-10-02","license":null,"status":"estimation publiée","verification":"reviewed-primary","note":"Teneur moyenne 1,06 g/t ; 164,14 tonnes d’or contenu (5,28 Moz). Une ressource n’est pas automatiquement exploitable ; ne pas additionner aux réserves."},{"label":"Réserves de minerai de fer","value":1.5,"unit":"milliard de tonnes","scope":"SimFer · blocs 3 et 4 · base 100 %","measurement_kind":"reserve","observation":"2024-12-31","publication_year":2025,"source_id":"rio-simandou-current","locator":"Note 1 · réserves prouvées + probables JORC","consulted":"2026-10-02","license":null,"status":"estimation publiée","verification":"reviewed-primary","note":"0,2 milliard de tonnes à 66,4 % Fe + 1,3 milliard à 65,0 % Fe ; valeurs arrondies. Ne couvre pas les blocs WCS 1 et 2."}],"sources":[{"id":"simfer-2026-q2","title":"SimFer — point opérationnel de juin 2026","publisher":"SimFer","url":"https://simfer-sa.com/centre-media/communiques-de-presse/simfer-fait-le-point-sur-lavancement-du-projet-simandou-au-deuxieme-trimestre-2026/","kind":"primary","published":"2026-06-04","reference_year":2026,"consulted":"2026-10-02","license":null,"verification":"reviewed-primary","note":"Expéditions du T1 2026 et objectif de capacité au S2 2028. Les avancements de mars ne sont pas ceux d’octobre."},{"id":"simfer-port-2026-09","title":"Morébaya — mise en service progressive du terminal SimFer","publisher":"SimFer","url":"https://simfer-sa.com/centre-media/communiques-de-presse/simfer-commence-la-mise-en-service-progressive-dinfrastructures-cles-au-port-de-morebaya/","kind":"primary","published":"2026-09-08","reference_year":2026,"consulted":"2026-10-02","license":null,"verification":"reviewed-primary","note":"85 % à fin juin 2026 ; exportations via WCS ; mise en service complète prévue T1 2027."},{"id":"rio-simandou-current","title":"Simandou — opérations et réserves JORC","publisher":"Rio Tinto","url":"https://www.riotinto.com/en/operations/africa/simandou","kind":"primary","published":null,"reference_year":2024,"consulted":"2026-10-02","license":null,"verification":"reviewed-primary","note":"Note 1 : réserves 2024 publiées le 20/02/2025, réaffirmées sur la page consultée. Blocs 3 et 4 seulement."},{"id":"rio-simandou-2026-q2","title":"Résultats de production du deuxième trimestre 2026","publisher":"Rio Tinto","url":"https://www.riotinto.com/en/news/releases/2026/rio-tinto-releases-second-quarter-2026-production-results","kind":"primary","published":"2026-07-15","reference_year":2026,"consulted":"2026-10-02","license":null,"verification":"reviewed-primary","note":"Prévision 2026 de ventes SimFer 5–10 Mt, base 100 %, pas un volume réalisé."},{"id":"simandou-programme","title":"Programme national Simandou 2040","publisher":"Direction de cabinet de la Présidence","url":"https://www.simandou2040.gn/","kind":"primary","published":null,"reference_year":2026,"consulted":"2026-10-02","license":null,"verification":"reviewed-primary","note":"Programme national, cinq piliers et trois vagues ; distinct du projet minier."},{"id":"simandou-wabtec-2026-09","title":"CTG / Wabtec — contrat de services ferroviaires","publisher":"Direction de cabinet de la Présidence","url":"https://www.simandou2040.gn/actualites/ctg-wabtec-contrat-services-ferroviaires-new-york-simandou","kind":"primary","published":"2026-09-21","reference_year":2026,"consulted":"2026-10-02","license":null,"verification":"reviewed-primary","note":"Engagement de plus de 700 M$ sur plus de dix ans : entretien, formation et contenu local. Ni dépense 2026 ni capacité réalisée."},{"id":"osm-simandou-2026","title":"Quais de Morébaya, camp de Canga et voies du Transguinéen","publisher":"OpenStreetMap contributors","url":"https://www.openstreetmap.org/copyright","kind":"geography","published":null,"reference_year":2026,"consulted":"2026-10-02","license":"ODbL-1.0","verification":"reviewed-geographic-object","note":"Instantanés du 02/10/2026 ; emprises OSM, pas des titres miniers ni un tracé réglementaire. Date de levé inconnue."},{"id":"aga-reserves-2025","title":"Réserves et ressources minérales au 31 décembre 2025","publisher":"AngloGold Ashanti","url":"https://www.anglogoldashanti.com/portfolio/reserves-resources/","kind":"primary","published":null,"reference_year":2025,"consulted":"2026-10-02","license":null,"verification":"reviewed-primary","note":"Ligne Siguiri (85 %) : tonnage de minerai et or contenu distincts. Ressources déclarées hors réserves."},{"id":"usgs-bauxite-2026","title":"Mineral Commodity Summaries 2026 — Bauxite and Alumina","publisher":"U.S. Geological Survey","url":"https://pubs.usgs.gov/periodicals/mcs2026/mcs2026.pdf","kind":"primary","published":"2026-02","reference_year":2026,"consulted":"2026-10-02","license":"Public domain","verification":"reviewed-primary","note":"Table mondiale : Guinée 7 400 000 milliers de tonnes sèches de réserves de bauxite. Estimation nationale, date de levé inconnue."},{"id":"ins-catalog-check-2026-10-02","title":"Catalogue INS — vérification de la disponibilité des résultats RGPH-4","publisher":"Institut national de la statistique","url":"https://www.stat-guinee.org/index.php/publications-ins/rapports-d-enquetes","kind":"primary","published":null,"reference_year":2026,"consulted":"2026-10-02","license":null,"verification":"reviewed-primary","note":"Consulté le 02/10/2026 : RGPH-4 préliminaire. La rubrique résultats définitifs relève du RGPH-3 (2014)."}]}