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Paleo Slide Set: Coral Paleoclimatology
Two sections of a core of Pavona clavus from Urvina Bay, Galapagos (0, 91W).
First the cores are x-rayed so that scientists can see the growth bands. Next, segments like the one on the right from Urvina Bay, Galapagos are marked for sampling: black lines represent annual bands, while blue and red lines further subdivide the year into quarters. The core is then cut along the lines and the individual segments analyzed in a laboratory for stable isotope and geochemical signals.

Photo Credits:
Rob Dunbar
Department of Geology and Geophysics, Rice University
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Last Modified: 12 October 2001

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