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  • In the paper the covered karstification was studied in four karst areas of Hungary using geophysical methods. Author established the dolines-with-ponor (subsidence doline) develop where the permeable covering sedimentary rock is thin, or impermeable
  • beds of covering sedimentary rock wedge out. Dolines-with-ponor may develop when the covering sedimentary rock is thick if a pit developed earlier on the limestone floor. The characteristic features of covered karstification change on accumulation
  • surfaces. Author present the genetic types of covered karst forms and list their occurrences in different karst areas. - (AM)
  • Investigation of covered karst form development using geophysical measurements
  • The AA. present the development of covered karst forms in the Bakony Mountains and those conditions which determine the formation of the various morphological types in the study. Using geophysical methods (vertical electrical sounding, multi
  • electrode measuring), they measured the resistivity of the rock in the sample areas. The results show that a covered karst form develops on the surface, which is younger than the pit of the limestone floor. By using multielectrode measurement, the AA
  • . established continuous changing of the sedimentary cover along a cross-section. They produced a model of burrow development by using these data.
  • Factors influencing solution in karren and on covered karst
  • The effect of the following factors on karstification were investigated : the presence of Pinus mugo, slope length, and slope angle (Totes Gebirge, Austria), the wind action (Diego de Almagro Island, Chile), the thickness and quality of covering
  • Karstmorphological observations on the covered karst relief of the Pádis plateau of Bihar Mountains in Transylvania (Rumania). - (JS)
  • development. The base of the differentiation is the method and speed of elevation, the speed of erosion of the covering sediments, and lastly the size of the area affected by elevation. - (ZK)
  • A method for the determination of former uncovered parts of partly or totally uncovered karsts is introduced. The research shows that horsts did not uplift uniformly from the cover sediments, due to differences such as transversal tilt, faulting