{
 "resource": "provinces_freshness_overlay",
 "feed_version": "1.0.0",
 "basis": "Read directly from deployed PROV ic_source citations at v1.8.8.0 build; supersedes the 13 May 2026 consolidation (which predated the 2026-06-01 direct Fraser PDF reads). West African Craton drift closed at v2.2.0 (Guinea 52.16 recompute).",
 "states": {
  "current": "Citation and value verified against Fraser 2025 (survey year; released Feb 2026).",
  "drift": "Verified newer data exists but the deployed row has not caught up — flagged for recompute with audit-log entry.",
  "pending_disclosed": "Carry-forward or corroborated-not-yet-PDF-verified value, disclosed in-row as such (standard working as designed).",
  "editorial_floor": "Jurisdictions outside Fraser coverage; disclosed editorial methodology."
 },
 "summary": {
  "current": 6,
  "drift": 0,
  "pending_disclosed": 4,
  "editorial_floor": 3
 },
 "provinces": [
  {
   "name": "Kalahari Platform",
   "state": "current",
   "note": "Botswana IAI 85.99, Fraser 2025."
  },
  {
   "name": "Lufilian Arc",
   "state": "current",
   "note": "Zambia 72.84 + DRC blended 57.46, both Sourced via direct PDF read 2026-06-01."
  },
  {
   "name": "Congo Craton",
   "state": "current",
   "note": "DRC blended IAI 57.46 Sourced (2026-06-01 PDF read) — the prior 18.4 carry-forward is closed."
  },
  {
   "name": "Kaapvaal Craton",
   "state": "current",
   "note": "South Africa IAI 52.97 Sourced, rank 57/68, direct PDF read 2026-06-01."
  },
  {
   "name": "Cape Fold Belt",
   "state": "current",
   "note": "South Africa 52.97 Sourced; Namibia component check at next cycle."
  },
  {
   "name": "West Africa Birimian",
   "state": "current",
   "note": "Ghana 55.21 Sourced; Mali/Burkina unrated disclosed; Côte d'Ivoire 60.92 noted — inclusion in IC composite remains an open editorial decision."
  },
  {
   "name": "West African Craton",
   "state": "pending_disclosed",
   "note": "Mixed-vintage blend per rated-jurisdiction convention (v2.2.1): Guinea 52.16 [Fraser 2025] ×0.7 + Sierra Leone 28.6 [Fraser 2024 carry-forward] ×0.3 → IC 4.51, score 8.5. Convention codified at the 10 June editorial ruling: blend when rated, discount when unrated, anchor when single-jurisdiction. Sierra Leone Fraser 2025 check at next cycle."
  },
  {
   "name": "Mozambique Belt",
   "state": "pending_disclosed",
   "note": "Mozambique IAI 31.90 Fraser 2023 carry-forward, disclosed in-row and corroborated; 2025 verification queued."
  },
  {
   "name": "East African Rift",
   "state": "pending_disclosed",
   "note": "Tanzania 68.04 corroborated, direct PDF back-check pending — disclosed in-row."
  },
  {
   "name": "West Congolian Belt",
   "state": "pending_disclosed",
   "note": "DRC 57.46 Sourced; Angola ~54.5 rank-confirmed, exact score pending — disclosed."
  },
  {
   "name": "Arabian-Nubian Shield",
   "state": "editorial_floor",
   "note": "Egypt/Sudan not rated; non-Africa Saudi portion excluded from African IC."
  },
  {
   "name": "Afar Depression",
   "state": "editorial_floor",
   "note": "Ethiopia/Eritrea/Djibouti not rated."
  },
  {
   "name": "Saharan Metacraton",
   "state": "editorial_floor",
   "note": "Niger/Mali/Sudan unrated or disrupted; editorial floor 1.5."
  }
 ],
 "check_25": "Pre-deploy rule: any PROV row citing 'Fraser 2024' whose country appears in the verified Fraser 2025 set flags SIGNIFICANT; IC-value-changed-without-citation-propagation flags INFO. Current hit: West African Craton (Guinea)."
}