Salt level

from Wikipedia, the free encyclopedia

In geology, the salt level is the uppermost, mostly horizontal boundary surface of an underground salt deposit . The salt level is created as a result of the leaching of the uppermost salt layers by groundwater ( subrosion ). Often there are residues of poorly soluble evaporite rocks such as anhydrite or gypsum on the salt surface ; these are called hat rocks (e.g. "gypsum hat "). If large cavities form above the salt level as a result of the leaching, the rocks above it can also break down.

literature

  • E. Fulda: salt level and salt slope . In: Journal of the German Society for Geosciences . Vol. 75, 1923, pp. 10-14.
  • H. Weber: On the systematics of leaching . In: Journal of the German Geological Society . Vol. 82, 1930, pp. 179-186.