Figure F58. H2O vs. K2O for mafic rocks from Site 1272. Data from a global study of mid-ocean-ridge basalt (MORB) glasses (Michael, 1995) are shown for comparison.

Figure F58. H₂O vs. K₂O for mafic rocks from Site 1272. Data from a global study of mid-ocean-ridge basalt (MORB) glasses (Michael, 1995) are shown for comparison.