Periodic volcanism may have triggered multiple Jurassic extinctions - My Droll

Dating of tiny zircon crystals reveal the age of volcanic rocks in the Karoo province. Credit: Arto Luttinen Severe environmental crises led to a series of large

Dating of tiny zircon crystals reveal the age of volcanic rocks in the Karoo province. Credit: Arto Luttinen Severe environmental crises led to a series of large-scale extinction events in the Juras… [+3183 chars]

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