Figure F97. Top: Photographs of five rock sections cut and counted for microsphere intrusion in Samples 330-U1374A-8R-1, 60–68 cm, and 45R-2, 20–27 cm. Subsamples for microsphere counts were taken from area between dashed yellow lines. Bottom: Photograph of rig floor workers collecting drill fluid from Core 330-U1374A-45R in a beaker for microsphere counts.
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