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  "path": "/articles/ancient-subduction-may-have-seeded-todays-critical-mineral-deposits",
  "publishedAt": "2026-05-29T12:02:00.000Z",
  "site": "https://eos.org",
  "tags": [
    "News",
    "critical minerals",
    "Earth science",
    "Earth's mantle",
    "lithosphere",
    "rare earth elements",
    "subduction",
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  "textContent": "Ol Doinyo Lengai, an active volcano in Tanzania, bubbles with unique low-temperature, low-viscosity lava high above the East African Rift. Credit: Wcalvin/Wikimedia Commons, CC-BY-SA-4.0",
  "title": "Ancient Subduction May Have Seeded Today’s Critical Mineral Deposits"
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