Millions of years ago, giant volcanic eruptions in what’s now Turkey and Peru each deposited millions of metric tons of nitrate on the surrounding land. That nutrient may have come from volcanic lightning, researchers reported April 24 at a meeting of the European Geosciences Union in Vienna.
The discovery adds evidence to the idea that, early in Earth’s history, volcanoes could have provided some of the materials that made it possible for life to emerge, says volcanologist Erwan Martin of Sorbonne University in Paris.
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