{
 "resource": "Afrimintel — mineral asset disputes: valuations & reserves disclosed in the public legal record",
 "feed_version": "v1.0",
 "dataset_version": "v2.137.63",
 "as_of": "2026-08-22",
 "publisher": "Afrimintel",
 "coverage": {
  "rows": 6,
  "jurisdictions": 4,
  "awards": 4,
  "settlements": 2
 },
 "quality_contract": "Each row records figures that are ordinarily confidential (tribunal valuations, reserve/resource estimates, deal economics) but which entered the public record through an arbitration award, an enforcement judgment, or a company's own settlement disclosure. Every figure is cited to the public primary document.",
 "known_limits": "Confined to disputes with a public primary document carrying hard figures. DRC-touching disputes (e.g. First Quantum/Kolwezi) are handled data-layer only per the COI rule and are excluded from this feed. Leads without adjudicated quantum (BSGR v Guinea ARB/14/22 redacted; Swissbourgh v Lesotho set aside; Acacia/Barrick and KCM/Vedanta settled without a public tribunal figure) are not carried.",
 "disputes": [
  {
   "asset": "Ntaka Hill",
   "country": "tanzania",
   "commodity": "Nickel sulphide",
   "case": "Nachingwea / Indiana Resources v Tanzania",
   "forum": "ICSID",
   "case_no": "ARB/20/38",
   "decision_type": "award",
   "decision_date": "2023-07-14",
   "disclosed": "2012 PEA NPV US$212m; resource estimates Apr 2011 & Apr 2012; claim US$106.68m (2023 basis) / US$121.70m (2018 basis) on a Multiple-of-Exploration-Expenditure approach (1.6-1.8x); award approx US$109.5m",
   "source_url": "https://www.italaw.com/sites/default/files/case-documents/180253.pdf",
   "provenance": "public-award",
   "note": "ICSID case page: icsid.worldbank.org ARB/20/38. Exact ordered principal to be read off the dispositif. Award figure ~US$109.5m is as of the 14 Jul 2023 award (verified via the award + claimant disclosure; the operative dispositif line was not machine-read); total compensation later rose to ~US$120m after Tanzania's 2024 annulment failed.",
   "source_class": "legal-record",
   "state": "Sourced"
  },
  {
   "asset": "Simandou (Blocks 1&2), Zogota",
   "country": "guinea",
   "commodity": "Iron ore",
   "case": "Vale S.A. v BSG Resources",
   "forum": "LCIA",
   "case_no": "(seat London)",
   "decision_type": "award",
   "decision_date": "2019-04-04",
   "disclosed": "Deal economics: US$2.5bn for 51%, US$500m paid upfront, US$750m further invested; award US$1.25bn principal + US$773m interest ~ US$2bn total",
   "source_url": "https://www.clearygottlieb.com/-/media/files/award-in-guinean-bribery-dispute-made-public-pdf.pdf",
   "provenance": "public-award",
   "note": "LCIA award legitimately made public in 2019; quantum read from the award text.",
   "source_class": "legal-record",
   "state": "Sourced"
  },
  {
   "asset": "Mrima Hill",
   "country": "kenya",
   "commodity": "Niobium / rare earths",
   "case": "Cortec Mining v Kenya",
   "forum": "ICSID",
   "case_no": "ARB/15/29",
   "decision_type": "award",
   "decision_date": "2018-10-22",
   "disclosed": "Anglo American historic estimate 50.5 Mst @ 0.67% Nb2O5 (incl 5.3 Mst @ 1.21%); in-ground value cited US$2.8-6bn; claims dismissed (SML void, no EIA); cost order US$3.23m + US$322k to Kenya",
   "source_url": "https://www.italaw.com/sites/default/files/case-documents/italaw10051.pdf",
   "provenance": "public-award",
   "note": "check-53 restricts the Kenya CADASTRE portal only; an ICSID award is a separate public legal source and is citable. Resource figures and dismissal verified verbatim from the award; the exact cost-order amounts (US$3.23m + US$322k) are from the award costs section and await an independent primary re-read.",
   "source_class": "legal-record",
   "state": "Sourced"
  },
  {
   "asset": "Platinum / nickel JV rights",
   "country": "zimbabwe",
   "commodity": "Platinum / nickel",
   "case": "Amaplat / Amari v ZMDC (Zimbabwe)",
   "forum": "ICC",
   "case_no": "(seat Zambia)",
   "decision_type": "award",
   "decision_date": "2014-01-12",
   "disclosed": "ZMDC liable US$42.9m to Amaplat + US$3.9m to Amari, 5% p.a. interest; enforcement value ~US$93m by 2025",
   "source_url": "https://media.cadc.uscourts.gov/opinions/docs/2025/07/24-7030-2125453.pdf",
   "provenance": "public-award",
   "note": "Quantum confirmed in the US DC Circuit enforcement opinion; underlying ICC award hosted on jusmundi.",
   "source_class": "legal-record",
   "state": "Sourced"
  },
  {
   "asset": "SMP Gold Project",
   "country": "tanzania",
   "commodity": "Gold",
   "case": "Winshear Gold v Tanzania",
   "forum": "ICSID",
   "case_no": "ARB/20/25",
   "decision_type": "settlement",
   "decision_date": "2023-11-01",
   "disclosed": "Memorial sought C$124.78m (~US$98m); settled US$30m",
   "source_url": "https://winshear.com/site/assets/files/3879/2023-10-16_settlement_final.pdf",
   "provenance": "company-settlement-disclosure",
   "note": "Settlement, not a tribunal DCF; figure from the company's own release. Settlement US$30m verified verbatim from the company release; the C$124.78m memorial-claim figure is company-reported and awaits the memorial/earlier release as primary.",
   "source_class": "legal-record",
   "state": "Sourced"
  },
  {
   "asset": "Wigu Hill",
   "country": "tanzania",
   "commodity": "Rare earths",
   "case": "Montero Mining v Tanzania",
   "forum": "ICSID",
   "case_no": "ISDS (UNCTAD nav. 1143)",
   "decision_type": "settlement",
   "decision_date": "2024-11-01",
   "disclosed": "Claim CAD$90m; settled US$27m (final instalment 2025)",
   "source_url": "https://investmentpolicy.unctad.org/investment-dispute-settlement/cases/1143/montero-mining-v-tanzania",
   "provenance": "company-settlement-disclosure",
   "note": "Settlement only; figure from company disclosure.",
   "source_class": "legal-record",
   "state": "Sourced"
  }
 ]
}