Home News Breathing? Thank volcanoes, tectonics and bacteria

Breathing? Thank volcanoes, tectonics and bacteria

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A new study suggests Earth’s first burst of oxygen was added by a spate of volcanic eruptions brought about by tectonics. In addition to explaining the appearance of significant concentrations of oxygen in the Great Oxidation Event (GOE) 2.5 billion years ago, the theory also accounts for the Lomagundi Event, a puzzling shift in the ratio of carbon isotopes in carbonate minerals that followed the GOE.

Source: ScienceDaily.com