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Microflow of geogas — A possible formation mechanism for deep-sea nodules |
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| Authors: | Lennart Malmqvist Krister Kristiansson |
| Institution: | 1 Department of Prospecting, Boliden Mineral AB, S-936 00, Boliden, Sweden 2 Department of Physics, University of Lund, S-223 62, Lund, Sweden |
| Abstract: | A formation model for deep-sea manganese nodules based on ascending bubble trains of geogas is proposed. The bubble train forces material in the sediments and particles adsorbed by the bubbles to the sediment—water interface where precipitation reactions occur. In the presence of a nucleating agent a nodule is formed. Such a model might explain a number of observations concerning nodular structure, genesis and distribution. |
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