Sentences with phrase «ejected by volcanic eruptions»
Jones had the lightbulb moment for this idea when colleagues, including co-author Kevin Mahan, were describing xenoliths (pieces of crust ejected by volcanic eruptions) from across Wyoming and Montana.
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Hiatuses can also be triggered by volcanic eruptions that eject particles into the air, reflecting sunlight away from Earth, as happened after the eruption of Mount Pinatubo in 1991.
Models demonstrate that the trend can be attributed clearly to the reduced concentrations of chlorofluorocarbons in the atmosphere, in spite of some complexity introduced by the particles ejected from volcanic eruptions.