Do Volcanoes Release Oxygen?
Do Volcanoes Release Oxygen? Do volcanoes release oxygen? Volcanic eruptions may have spurred first ‘whiffs’ of oxygen in Earth’s atmosphere. A new analysis of 2.5-billion-year-old rocks from Australia finds that volcanic eruptions may have stimulated population surges of marine microorganisms, creating the first puffs of oxygen into the atmosphere. Do volcanoes clean the air? Volcanoes