Possible clay structures in frustules of living diatoms |
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| Authors: | Aleido J. van Bennekom Sjierk J. van der Gaast |
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| Affiliation: | Netherlands Institute for Sea Research, Texel, The Netherlands |
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| Abstract: | Comparison of X-ray diffraction spectra of marine diatom frustules and suspended clay minerals suggests the presence of a distinctive smectite in diatoms. The frustules contained 1.5% Al2O3 and were partly covered with particles of 0.02 μm in diameter. The source of Al and the fate of diatoms in the sediment are briefly discussed. |
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