{
  "id": 12840739,
  "title": "Cassiterite U–Pb geochronology: A framework for tin provenance in the Bronze Age world",
  "url": "https://urgent.news/2026/09/21/cassiterite-u-pb-geochronology-a-framework-for-tin-provenance-in-the",
  "topic": "science",
  "section": "Science",
  "published": "2026-09-21T07:00:00.000Z",
  "source": {
    "name": "PNAS",
    "slug": "pnas",
    "url": "https://www.pnas.org/doi/abs/10.1073/pnas.2625071123?af=R"
  },
  "original_language": "en",
  "account": null,
  "summary": "Proceedings of the National Academy of Sciences, Volume 123, Issue 40, October 2026. SignificanceTin was as strategic to Bronze Age societies as crude oil is today—rare, geologically concentrated, and essential for industrial-scale bronze production. For China’s Shang dynasty, the world’s most prolific Bronze Age metal producer, ...",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}