Tag: Volcanoes

  • David Jones, Amherst College – Vulcanism and Mass Extinctions

    David Jones, Amherst College – Vulcanism and Mass Extinctions

    On Amherst College Week: Volcanic eruptions have shaped life’s history on Earth. David Jones, associate professor of geology, details how. I am a geologist with interests in surface Earth history.Β  I use stratigraphy and geochemistry to address questions about the co-evolution of life and Earth’s surface environments in deep time.Β  Most of the rocks I…

  • Greg Valentine, University at Buffalo – Volcanic Flows

    Greg Valentine, University at Buffalo – Volcanic Flows

    What makes the flow of a supervolcano travel so far from the eruption? Greg Valentine, professor of geology at the University at Buffalo, examines whether speed or weight makes the flows travel great distances. Ph.D., Geological Sciences, University of California Santa Barbara – 1988 Specialties and Interests: Volcanic risk, phreatomagmatic explosive eruptions, basaltic volcanic fields,…

  • Kari Cooper, UC Davis – Reservoirs of Magma

    Kari Cooper, UC Davis – Reservoirs of Magma

    The typical Hollywood depiction of a volcano might be visually stunning, but it’s not very accurate. Dr. Kari Cooper, a geologist at The University of California, Davis, provides a more realistic portrayal of what happens deep in the belly of a volcano. Dr. Kari Cooper is an associate professor at The University of California Davis’…