Talks, Public and Academic

  • Granite: Sierra Nature Notes

    A brief film by Steve Bumgardner about granite in Yosemite, featuring Greg Stock and Allen Glazner. Public.

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  • Geology Underfoot in Death Valley and Eastern California

    White Mountain Research Center, 19 April 2022. A peek at the 2022 revised, expanded, and vastly better-illustrated book that was the second in the Geology Underfoot series. Public.

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  • Sierra Nevada and White-Inyos Separating after 100 Million Years Together, Cite Irreconcilable Tectonics

    White Mountain Research Center, 16 November 2021. Lots of large earthquakes running up a line from the Salton Sea to Owens Valley, including the 2019 Ridgecrest earthquakes. What does this mean for the future? Public.

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  • The Mythology of Magma Chambers

    Wits University (South Africa), 24 March 2022. That image of a big red blob of magma under a volcano? Get it out of your head—they likely don’t exist.

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  • A 21st Century View of Plutons

    California State University, Chico, 19 April 2019. A critique of the standard view of what granitic plutons are, and an alternative view.

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