Figure 2. Photographs showing U.S. Geological Survey personnel (a) describing a gravity core, (b) placing gravity core in core extrusion stand, and (c) slicing a subsample from a gravity core (photographs by Barbara J. Mahler, U.S. Geological Survey).

Figure 2.  U.S. Geological Survey personnel (a) describing a gravity core, (b) placing gravity core in core extrusion stand, and (c) slicing a subsample from a gravity core (photographs by Barbara J. Mahler, U.S. Geological Survey).

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