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Volcanic Gas

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Monitoring volcanic gas tells the story of magma and groundwater movement

The thermal areas of Yellowstone discharge a lot of gas through geysers, mud pots, hot pools, and fumaroles. The chemical makeup of these gases provides USGS scientists clues to what is happening in the hydrothermal and volcanic systems beneath the surface.
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Monitoring volcanic gas tells the story of magma and groundwater movement

The thermal areas of Yellowstone discharge a lot of gas through geysers, mud pots, hot pools, and fumaroles. The chemical makeup of these gases provides USGS scientists clues to what is happening in the hydrothermal and volcanic systems beneath the surface.
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