{"version":"2026-10-02.1","consulted":"2026-10-02","sources":[{"id":"mmg-mining-2025","title":"Bulletin des statistiques minières et carrières n°30 · 2025","publisher":"MMG / BSD, diffusé par ITIE Guinée","url":"https://www.itie-guinee.org/wp-content/uploads/2026/04/MMG_Bulletin-de-Statistiques-Minieres-et-de-Carrieres-2025-N%C2%B030-1.pdf","reference_year":2025,"published":"2026-04-11","kind":"primary","license":null,"consulted":"2026-10-01","verification":"verified-primary","note":"Bulletin annuel janvier–décembre 2025 ; avant-propos mars 2026. Production, exportations et réserves sont des concepts distincts."},{"id":"bgs-geology-guinea","title":"Carte géologique numérique de la Guinée · Africa Groundwater Atlas","publisher":"British Geological Survey / USGS Persits et al. 2002","url":"https://earthwise.bgs.ac.uk/index.php/Hydrogeology_of_Guinea","reference_year":2002,"published":null,"kind":"geography","license":"CC BY-SA 4.0","consulted":"2026-10-01","verification":"documented-geography","note":"Shapefile fourni : version 1.0 2019/2021, échelle 1:5 000 000, EPSG:4326. La licence du fichier téléchargé est CC BY-SA 4.0 ; celle du texte du site est distincte. Carte de formations géologiques, sans profondeur ni teneur en minerai."},{"id":"mmg-mineral-geography","title":"Potentiel minéral · localisation de la bauxite","publisher":"Ministère des Mines et de la Géologie","url":"https://mines.gov.gn/potentiel-mineral/","reference_year":null,"published":null,"kind":"primary","license":null,"consulted":"2026-10-01","verification":"verified-primary","note":"Page non datée, contenant des références anciennes 2014–2018. Utilisée uniquement pour les localisations régionales ; ses estimations de réserves ne sont pas intégrées comme statistiques récentes."},{"id":"aga-siguiri-2025","title":"Siguiri · indicateurs FY25 et réserve au 31 décembre 2025","publisher":"AngloGold Ashanti","url":"https://www.anglogoldashanti.com/portfolio/africa/siguiri/","reference_year":2025,"published":null,"kind":"primary","license":null,"consulted":"2026-10-01","verification":"verified-primary","note":"Source de l’exploitant. Réserve de 2,16 millions d’onces attribuable à AngloGold (85 %), distincte de la production SAG publiée par le MMG et du total régional."},{"id":"mmg-kouroussa-2026","title":"Visite ministérielle des installations de Kouroussa Gold Mine","publisher":"Ministère des Mines et de la Géologie","url":"https://mines.gov.gn/visite-de-terrain-le-ministre-bouna-sur-les-installations-de-la-societe-kouroussa-gold-mine/","reference_year":2026,"published":"2026-08-13","kind":"primary","license":null,"consulted":"2026-10-01","verification":"verified-primary","note":"Confirme l’activité industrielle aurifère à Kouroussa ; chiffres annuels repris du bulletin 2025."},{"id":"kounsitel-communique-2021","title":"Kounsitel · mission du ministère et programme de recherche","publisher":"MMG, communiqué reproduit par Guinee7","url":"https://www.guinee7.com/2021/06/26/gaoual-kounsitel-le-ministere-des-mines-annonce-une-mission-pour-proceder-a-la-mise-en-oeuvre-du-programme-de-recherche/","reference_year":2021,"published":"2021-06-26","kind":"republished-secondary","license":null,"consulted":"2026-10-01","verification":"reported-communique","note":"Signalement ancien et mission technique de mai 2021. Le communiqué reproduit conditionne toute conclusion d’exploitabilité à des recherches complémentaires. Aucune réserve certifiée récente identifiée."},{"id":"rio-simandou-2025","title":"Simandou · projet et premières expéditions","publisher":"Rio Tinto","url":"https://www.riotinto.com/en/operations/africa/simandou","reference_year":2025,"published":null,"kind":"primary","license":null,"consulted":"2026-10-01","verification":"verified-primary","note":"Premières expéditions en décembre 2025. Les capacités futures ne sont pas présentées comme une production annuelle réalisée."},{"id":"nordgold-lefa-location","title":"Lefa · développement de Diguili et localisation","publisher":"Nordgold","url":"https://nordgold.com/media/news/nordgold-nachal-razrabotku-novogo-mestorozhdeniya-diguili-v-gvinee/","reference_year":2021,"published":null,"kind":"primary","license":null,"consulted":"2026-10-01","verification":"verified-primary","note":"Utilisée pour l’identité de Lefa, pas pour des statistiques de 2026."},{"id":"geonames-mineral-points","title":"GeoNames · repères miniers et localités sélectionnés","publisher":"GeoNames","url":"https://download.geonames.org/export/dump/readme.txt","reference_year":null,"published":null,"kind":"geography","license":"CC BY 4.0","consulted":"2026-10-01","verification":"documented-geography","note":"Identifiants contrôlés dans l’extrait GN consulté le 1er octobre. Un repère de localité ne délimite pas un gisement. Kounsitel est un point ADM3, pas l’emplacement d’une fosse."},{"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)."}],"places":[{"id":"mineral-boke","name":"Boké · bassin bauxitique","resource":"bauxite","entity_id":"pref-boke","coordinates":[-14.3601,11.07007],"coordinate_basis":"Repère du chef-lieu de Boké","coordinate_reference":null,"coordinate_license":null,"status":"bassin documenté","note":"Le point situe Boké, sans délimiter les concessions ou attribuer le total national à la préfecture.","source_ids":["mmg-mineral-geography","gb-adm2"],"metrics":[],"reserve":null,"depth":null,"deposit_geometry":null},{"id":"mineral-sangaredi","name":"Sangarédi · CBG","resource":"bauxite","entity_id":"pref-boke","coordinates":[-13.76667,11.1],"coordinate_basis":"GeoNames MN · Sangarédi","coordinate_reference":{"geonames_id":2416086,"name":"Sangarédi","feature_code":"MN","coordinates":[-13.76667,11.1],"modified":"2020-06-10"},"coordinate_license":"CC BY 4.0","status":"production industrielle","note":"Point GeoNames de mine, de précision générale ; la valeur couvre toute la production déclarée par CBG en 2025.","source_ids":["mmg-mining-2025","geonames-mineral-points"],"metrics":[{"label":"Production de bauxite","value":18301056,"unit":"tonnes","scope":"CBG · toutes opérations déclarées · 2025","locator":"PDF p. 6 · tableau 1","source_id":"mmg-mining-2025","measurement_kind":"production","observation":"2025","publication_year":2026,"consulted":"2026-10-01","license":null,"status":"déclaré dans la source","verification":"verified-primary-table"}],"reserve":null,"depth":null,"deposit_geometry":null},{"id":"mineral-tougue","name":"Tougué · potentiel bauxitique","resource":"bauxite","entity_id":"pref-tougue","coordinates":[-11.39439,11.54019],"coordinate_basis":"Repère du chef-lieu de Tougué","coordinate_reference":null,"coordinate_license":null,"status":"présence documentée","note":"Localisation citée par le MMG dans le Fouta-Djalon. Aucune quantité de réserve récente et certifiée attribuée à Tougué dans cette sélection.","source_ids":["mmg-mineral-geography","gb-adm2"],"metrics":[],"reserve":null,"depth":null,"deposit_geometry":null},{"id":"mineral-fria","name":"Fria · alumine","resource":"bauxite","entity_id":"pref-fria","coordinates":[-13.47616,10.4838],"coordinate_basis":"Repère du chef-lieu de Fria","coordinate_reference":null,"coordinate_license":null,"status":"transformation industrielle","note":"Repère du chef-lieu, distinct de l’emprise industrielle. Alumine transformée, pas une quantité de minerai en place.","source_ids":["mmg-mining-2025","gb-adm2"],"metrics":[{"label":"Production d’alumine","value":361831,"unit":"tonnes","scope":"Production nationale d’alumine · 2025","locator":"PDF p. 9 · tableau 6","source_id":"mmg-mining-2025","measurement_kind":"production","observation":"2025","publication_year":2026,"consulted":"2026-10-01","license":null,"status":"déclaré dans la source","verification":"verified-primary-table"}],"reserve":null,"depth":null,"deposit_geometry":null},{"id":"mineral-siguiri","name":"Siguiri · SAG / Kintinian","resource":"or","entity_id":"new-pref-kintinian","coordinates":[-9.38333,11.6],"coordinate_basis":"Repère du chef-lieu de Kintinian","coordinate_reference":null,"coordinate_license":null,"status":"production industrielle","note":"Repère de Kintinian ; la mine couvre plusieurs fosses. La réserve attribuable de l’exploitant ne représente pas toute la région de Siguiri.","source_ids":["mmg-mining-2025","aga-siguiri-2025","reform-prefectures","sgg-prefectures-2026","geonames-targets","aga-reserves-2025"],"metrics":[{"label":"Production industrielle d’or","value":289050,"unit":"onces troy","scope":"SAG · déclaration MMG · 2025","locator":"PDF p. 12 · tableau 9","source_id":"mmg-mining-2025","measurement_kind":"production","observation":"2025","publication_year":2026,"consulted":"2026-10-01","license":null,"status":"déclaré dans la source","verification":"verified-primary-table"},{"label":"Réserve minérale attribuable","value":2.16,"unit":"millions d’onces troy","scope":"Siguiri · part AngloGold 85 % · au 31 décembre 2025","locator":"Key metrics FY25","source_id":"aga-siguiri-2025","measurement_kind":"reserve","observation":"2025-12-31","publication_year":2026,"consulted":"2026-10-01","license":null,"status":"déclaré dans la source","verification":"verified-primary-table"},{"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."}],"reserve":null,"depth":null,"deposit_geometry":null},{"id":"mineral-lefa","name":"Lefa · SMD / Léro","resource":"or","entity_id":"pref-dinguiraye","coordinates":[-10.11667,11.76667],"coordinate_basis":"GeoNames PPL · Léro","coordinate_reference":{"geonames_id":2418185,"name":"Léro","feature_code":"PPL","coordinates":[-10.11667,11.76667],"modified":"2023-04-02"},"coordinate_license":"CC BY 4.0","status":"production industrielle","note":"Léro est un repère de localité associé à Lefa, pas l’étendue du gisement. La valeur concerne l’opérateur SMD.","source_ids":["mmg-mining-2025","nordgold-lefa-location","geonames-mineral-points"],"metrics":[{"label":"Production industrielle d’or","value":118358,"unit":"onces troy","scope":"SMD · déclaration MMG · 2025","locator":"PDF p. 12 · tableau 9","source_id":"mmg-mining-2025","measurement_kind":"production","observation":"2025","publication_year":2026,"consulted":"2026-10-01","license":null,"status":"déclaré dans la source","verification":"verified-primary-table"}],"reserve":null,"depth":null,"deposit_geometry":null},{"id":"mineral-mandiana","name":"Mandiana · SMM","resource":"or","entity_id":"pref-mandiana","coordinates":[-8.84989,10.79391],"coordinate_basis":"Repère du chef-lieu de Mandiana","coordinate_reference":null,"coordinate_license":null,"status":"production industrielle","note":"Le chef-lieu représente le secteur ; il ne situe pas précisément l’usine ou les fosses.","source_ids":["mmg-mining-2025","gb-adm2"],"metrics":[{"label":"Production industrielle d’or","value":92985,"unit":"onces troy","scope":"SMM · déclaration MMG · 2025","locator":"PDF p. 12 · tableau 9","source_id":"mmg-mining-2025","measurement_kind":"production","observation":"2025","publication_year":2026,"consulted":"2026-10-01","license":null,"status":"déclaré dans la source","verification":"verified-primary-table"}],"reserve":null,"depth":null,"deposit_geometry":null},{"id":"mineral-kouroussa","name":"Kouroussa · KGM","resource":"or","entity_id":"pref-kouroussa","coordinates":[-9.94108,10.53094],"coordinate_basis":"Repère du chef-lieu de Kouroussa","coordinate_reference":null,"coordinate_license":null,"status":"production industrielle","note":"Repère du chef-lieu ; activité confirmée par une visite du MMG en août 2026.","source_ids":["mmg-mining-2025","mmg-kouroussa-2026","gb-adm2"],"metrics":[{"label":"Production industrielle d’or","value":87686,"unit":"onces troy","scope":"KGM · déclaration MMG · 2025","locator":"PDF p. 12 · tableau 9","source_id":"mmg-mining-2025","measurement_kind":"production","observation":"2025","publication_year":2026,"consulted":"2026-10-01","license":null,"status":"déclaré dans la source","verification":"verified-primary-table"}],"reserve":null,"depth":null,"deposit_geometry":null},{"id":"mineral-kounsitel","name":"Kounsitel · Gaoual","resource":"or","entity_id":"pref-gaoual","coordinates":[-12.95,11.93333],"coordinate_basis":"GeoNames ADM3 · Kounsitel","coordinate_reference":{"geonames_id":11185414,"name":"Kounsitel","feature_code":"ADM3","coordinates":[-12.95,11.93333],"modified":"2023-04-02"},"coordinate_license":"CC BY 4.0","status":"signalement historique · 2021","note":"Signalement et prospection en 2021, sans réserve chiffrée ni découverte de 2026 vérifiée. Le point ADM3 situe Kounsitel ; profondeur et contours du gisement inconnus.","source_ids":["kounsitel-communique-2021","geonames-mineral-points"],"metrics":[],"reserve":null,"depth":null,"deposit_geometry":null},{"id":"mineral-simandou","name":"Simandou · camp de Canga","resource":"fer","entity_id":"pref-beyla","coordinates":[-8.8808575,8.5577858],"coordinate_basis":"Centre du camp de Canga, OSM way/311338477 ; repère proche des opérations SimFer, pas un contour de mine.","coordinate_reference":null,"coordinate_license":null,"status":"premières expéditions · 2025","note":"SimFer exploite les blocs 3 et 4, WCS les blocs 1 et 2. Le repère situe le camp de Canga ; les concessions ne sont pas délimitées. La page Simandou 2040 distingue mine, rail et terminaux de Morébaya.","source_ids":["mmg-mining-2025","rio-simandou-2025","gb-adm2","rio-simandou-current","osm-simandou-2026","osm-simandou-2026"],"metrics":[{"label":"Exportations de minerai de fer","value":86077,"unit":"tonnes","scope":"SimFer · déclaration MMG · 2025","locator":"PDF p. 9 · tableau 7","source_id":"mmg-mining-2025","measurement_kind":"exportation","observation":"2025","publication_year":2026,"consulted":"2026-10-01","license":null,"status":"déclaré dans la source","verification":"verified-primary-table"},{"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."}],"reserve":null,"depth":null,"deposit_geometry":null}],"national":[{"label":"Production de bauxite","value":175453616,"unit":"tonnes","scope":"Guinée · production déclarée · 2025","locator":"PDF p. 6 · tableau 1","source_id":"mmg-mining-2025","measurement_kind":"production","observation":"2025","publication_year":2026,"consulted":"2026-10-01","license":null,"status":"déclaré dans la source","verification":"verified-primary-table"},{"label":"Exportations de bauxite","value":182827544,"unit":"tonnes","scope":"Guinée · exportations déclarées · 2025","locator":"PDF p. 6 · tableau 2","source_id":"mmg-mining-2025","measurement_kind":"exportation","observation":"2025","publication_year":2026,"consulted":"2026-10-01","license":null,"status":"déclaré dans la source","verification":"verified-primary-table"},{"label":"Production industrielle d’or","value":588079,"unit":"onces troy","scope":"Guinée · quatre opérateurs industriels · 2025","locator":"PDF p. 12 · tableau 9","source_id":"mmg-mining-2025","measurement_kind":"production","observation":"2025","publication_year":2026,"consulted":"2026-10-01","license":null,"status":"déclaré dans la source","verification":"verified-primary-table"},{"label":"Exportations d’or artisanal","value":49609,"unit":"kg","scope":"Guinée · or artisanal exporté · 2025","locator":"PDF p. 16 · tableau 15","source_id":"mmg-mining-2025","measurement_kind":"exportation","observation":"2025","publication_year":2026,"consulted":"2026-10-01","license":null,"status":"déclaré dans la source","verification":"verified-primary-table"},{"label":"Exportations de minerai de fer","value":1057524,"unit":"tonnes","scope":"Guinée · tous opérateurs déclarants · 2025","locator":"PDF p. 9 · tableau 7","source_id":"mmg-mining-2025","measurement_kind":"exportation","observation":"2025","publication_year":2026,"consulted":"2026-10-01","license":null,"status":"déclaré dans la source","verification":"verified-primary-table"}],"provenance":{"mining_pdf":{"url":"https://www.itie-guinee.org/wp-content/uploads/2026/04/MMG_Bulletin-de-Statistiques-Minieres-et-de-Carrieres-2025-N%C2%B030-1.pdf","bytes":6930127,"sha256":"c985e824a68d6813ebcca33e9a2a5b1f97a643302c97cd2aae7b0a364d4415e0"},"geonames":{"url":"https://download.geonames.org/export/dump/GN.zip","bytes":259254,"sha256":"852ff0bd6fddfccd0825b42cf36ba4c016dbf691274edc76107e6a798e83261d"}},"notes":["Sélection documentée, non exhaustive. Aucun gisement n’est extrapolé à partir de la couleur géologique.","Les coordonnées sont des repères généraux de mine ou de localité, jamais des polygones de concessions. Réserve, production et exportation restent distinctes.","Kounsitel : signalement de 2021. Aucune réserve économique certifiée ou nouvelle découverte de 2026 identifiée dans les sources consultées.","La page MMG sur le potentiel comporte des chiffres anciens. Ses estimations nationales de réserves ne sont pas reprises comme données 2026."],"potential":[{"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."}]}