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doi:10.2204/iodp.proc.301.205.2008 Other studiesOur data fall in the range of previously reported data for basalt gravel; 1 m2/g for crushed samples (Stevens and McKinley, 2000) and 11.5 m2/g for a 2–6 mm size fraction (Tokunaga et al., 2003). Brady and Gíslason (1997) report a value of 0.2 m2/g for a 75–125 the laboratory for dissolution experiments. Brantley and Mellott (2000) report SSA for various grain sizes of feldspar, olivine, and pyroxene, all of which are present in our bulk rock samples. Surface areas of these minerals range from 0.02 to 1.8 m2/g, with the smallest size fractions having the largest SSA. Their higher values overlap with the range of values we obtained for bulk rocks (Table T1). |
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