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Today we collected samples using a rock core. This sampling device basically involved bashing a heavy steel pipe into the lava on the seafloor. Samples of the chipped volcanic glass are recovered in small metal cups that contain surfboard wax. When the core hits the ocean floor bits of rock, glass, and sediment stick in the wax. Here Denny Geist lends a helping hand as Gene Pillard, the Res. Tech., directs the recovery.

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