Sediment of the salt marsh of Sečovlje


  • Bojan Ogorelec
  • Miha Mišič
  • Alojz Šercelj
  • Franc Cimerman
  • Jadran Faganeli
  • Peter Stegnar


Sediment samples taken from the salt ponds for gradual evaporation of sea water and from a borehole in the Lera salt garden are discussed from the viewpoint of sedimentology and associated branches. Core samples from a 40 metre deep hole drilled in the salt garden of Lera at Sečovlje have the same character throughout. There prevails a dark gray clayey silt rather rich in molluskan skeletons. The core samples do not vary exceedingly in their composition and texture from the sediment samples taken from the uppermost layer of the salt garden. Their carbonate content amounts to 7-25 percent. Authigenic minerals are aragonite, a calcite variety characterized by a high magnesium content, tale, and gypsum. Radiometric dating for a core sample taken from the depth of 26.5 m. based on carbon-14 points to its age of 9160 years. It is therefore justifiable to infer that the sediment has been rapidly amassed. For the accumulation of a three millimetre thick deposit a year was required, on the average.


How to Cite

Ogorelec, B., Mišič, M., Šercelj, A., Cimerman, F., Faganeli, J., & Stegnar, P. (1981). Sediment of the salt marsh of Sečovlje. Geologija, 24(2), 179–216. Retrieved from




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