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Well worn core head bit from the SW Indian Ridge Moho Project.

Well worn core head bit from the SW Indian Ridge Moho Project.
Well worn core head bit from the SW Indian Ridge Moho Project.
Well worn core head bit from the SW Indian Ridge Moho Project.
Well worn core head bit from the SW Indian Ridge Moho Project.
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266301
Kleindinst, Thomas N.
Well worn core head bit from the SW Indian Ridge Moho Project.
Still Image
03/18/2016
graphics/H_Dick_Corehead_Samples/_DSC1260.jpg
Image Of the Day caption:
This is what's left of a many-toothed tungsten drill bit after drilling through rock far beneath the seafloor. WHOI geologist Henry Dick recently led a voyage to the Indian Ocean, the latest stage of a scientific quest going back decades. The cruise, aboard the drill ship the JOIDES Resolution, was to try to drill through thousands of meters of rock to reach the boundary between Earth's crust and mantlecalled "Moho" for shortand sample it for the first time, to learn more about how Earth's crust was formed.
Photo by Tom Kleindinst
© Woods Hole Oceanographic Institution
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