The contribution of authigenic feldspars to the geochemical balance of alkali metals |
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| Authors: | Miriam Kastner |
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| Institution: | Miriam Kastner Scripps Institution of Oceanography P.O. Box 1529, La Jolla, California 92037, U.S.A. |
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| Abstract: | About 5 per cent of all feldspars in sediments are authigenic. This amounts to 0·94 per cent of the total sedimentary mass. At least 2.1 × 1018 kg Na and 3.4 × 1018kg K have been removed from sea water by reconstitution of authigenic feldspars in the total mass of surviving sediments. Consequently, 9.3 × 1019 moles CO2 have been released by the formation of authigenic albite and 8.8 × 1019 moles CO2 by the formation of authigenic K-feldspar. |
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