Sea Water: Saturation with Apatites and Carbonates

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Science  30 Oct 1964:
Vol. 146, Issue 3644, pp. 637-638
DOI: 10.1126/science.146.3644.637


Pacific Ocean water, on the average, appears to be slightly supersaturated at all temperatures with hydroxyapatite and carbonate fluorapatite. Water above 14°C is saturated with calcite, whereas water above 20°C is saturated with aragonite.