Lithology and characteristics of the Messinian evaporite sequence of the deep Levant Basin, Eastern Mediterranean

Ye E. Feng*, Anastasya Yankelzon, Josh Steinberg, Moshe Reshef

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

49 Scopus citations

Abstract

As the lithological composition of the Messinian salt sequence of the Levant Basin is still controversial and unconstrained, we reveal for the first time the lithology of the entire evaporite sequence from deep basin depth migrated seismic and borehole data. The data presented here shows that the seismic transparent layers are composed of pure and uniform halite while the reflective layers are bundles of thin clay layers interbedded in the halite background. The thin clay layers inside the deep basin evaporites have a cumulative thickness of 25-40 m. High amplitude fan structures are observed on the deepest internal reflector which may suggest clay transportation. Among all the internal reflectors, the upper units are more deformed while the deeper units are more coherent and flat. Two sets of folds/faults are shown on the shallower intra-units: folds with NNE-SSW trending axes and thrust faults strike NW-SE. On a regional scale, the top salt reflector is generally horizontal while the other internal reflectors dip toward the NW. The shallowest intra-unit is the only one that has a wedge shape thickening to the NW, while the other intra-units generally have uniform thicknesses.

Original languageEnglish
Pages (from-to)118-131
Number of pages14
JournalMarine Geology
Volume376
DOIs
StatePublished - 1 Jun 2016

Keywords

  • Evaporite stratigraphy
  • Levant Basin
  • Lithology
  • Messinian Salinity Crisis
  • Salt deformation
  • Well log interpretation

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