Marcia Bjornerud

Marcia Bjornerud is Professor of Geosciences at Lawrence University in Appleton, Wisconsin. Her research focuses on the physics of earthquakes and mountain building, and she combines field-based studies of bedrock geology with quantitative models of rock mechanics. She is a contributing writer to The New Yorker, the New York Times, the Los Angeles Times, the Wall Street Journal, and Wired, and author of two books: Reading the Rocks: The Autobiography of the Earth and Timefulness: How Thinking Like a Geologist Can Help Save the World.

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Geology Reading Seawater [long_description] “How inappropriate,” Arthur C. Clarke once observed, “to call this planet Earth when it is so clearly Ocean.” Parsing the composition of seawater has been an age-old effort. Those studying it have been swept into other pools of research—including estimations of the age of the earth and the ocean’s effects on the planet’s overall health. Marcia Bjornerud reviews ancient beliefs to modern research.

ISSN #2576–4403