Analogue Modelling of Diapir Generation
Journal Title: International Journal of Engineering and Science Invention - Year 2018, Vol 7, Issue 10
Abstract
Surface tension supporting deposited sediments is one of the unusual properties of deep hypersaline anoxic basins (DHAB). It has also been proven that the following properties are also true for the water of a DHAB: high viscosity, extremely high salinity concentration. Accordingly, this water behaves similar to starch; as a non-Newtonian fluid. The question is just common sense: the amount of a sediment sequence that such a non-Newtonian fluid can support. Our research group performed several analogue experiments in order to test the assumption whether the DHAB can be buried by basin filling sediments. These DHABs contain methane generated by euryhaline bacteria. In our view, above a critical pressure, this gas content can generate diapirs breaching up the covering sediments. This premise was modelled by analogue experiments creating diapirs at a minor, laboratory scale.
Authors and Affiliations
Zoltán UNGER, David LECLAIR, Miklós VERÉB, György DEÁK, Hunor LENGYEL, Kinga ANDRÁS
Keywords
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