The basin of diapir anticlinal from Ocna Şugatag entered into the accelerated transformation soon after the cessation of exploitations (the beginning of the years '60). Along of the most 50 years of evolution formed and disappeared lacustrine basins, all on natural way in little dolines, mostly all of them, through the breakdown of galleries or halls of salt exploitation, with the individualization of greatest lacustrine basins. These dynamics rearward are very accelerated, the evidence beeing

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... he crumbling of some portions of borders with a rhythms of 0.5 – 1.5 meters on year. The phenomenon of collapse of the mines is far from beeing finished because the most of these (Mihai and Dragoş) are little affected and the support piling have a reduced diameter. In conditions of the exploitation of the brine from underground in balneary aim, it is possible that in short time to asist to new lakes formation with an bigger surface than ones existing.