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Articles tagged: iridium anomaly

  • Chicxulub, iridium anomaly, iridium layer, mass extinction, Nimura, Pinatubo, Toba, Woodleigh crater 23 March 2016 Could an encounter with a passing dark molecular cloud be responsible for killing off the dinosaurs?

    ... surface of the Earth, and thus requires contribution from extraterrestrial materials. This evidence, along with the iridium anomaly, is in the form of elemental ratios such as oxygen isotopes and high strontium ratios that correspond with climate...

    • Chicxulub
    • iridium anomaly
    • iridium layer
    • mass extinction
    • Nimura
    • Pinatubo
    • Toba
    • Woodleigh crater

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