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Contact: Steve Koppes
skoppes@uchicago.edu
773-702-8366
University of Chicago
Caption: A vial of sediments that were precipitated from seawater during the Precambrian Period 3.75 billion years ago. The University of Chicago's Nicolas Dauphas (background) and the University of Colorado's Stephen Mojzsis are working to understand the formative years of Earth’s history and of the emergence of life on Earth.
Credit: Photo by Dan Dry
Usage Restrictions: These images may be used to illustrate news stories describing the research results reported in this news release.
Related news release: Ancient rocks show how young Earth avoided becoming giant snowball
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