Joint expedition of speleodivers of Vakhushti Bagrationi Institute of Geography and Speleological Association of Lithuania

 

In March of the current year a joint expedition of speleodivers of Vakhushti Bagrationi Institute of Geography and Speleological Association of Lithuania was held.

In the boating section of the Tskaltubo (Prometheus) cave the divers (Vitis Vilkas and Donatas Zvichevisius) passed by the previously unknown 280 m long water and dry corridors. Three siphon lakes of 50, 35 and 30 m long were overcame and two galleries with water and one partially ponded dry gallery were investigated. The obtained materials are under development. A video film has been made. Continuation of underwater works in the caves marked by the Georgian and Lithuanian researchers is planned for the summer season.

According to Lithuanian divers’ data, the siphon corridor observed in the boating section of the Tskaltubo (Prometheus) cave has a complex morphology.









The bottom of the front part of the siphon is interesting by their smooth surfaces; there can be observed both,   boulders and sandy-clay layers. In the remote part of the siphon corridor, at a distance of 50 meters from the entrance, the first air camera appears with a quite long (70X40X20 m) corridor. Water-free spaces are full of large melted formations.

There are three smaller halls in the mentioned corridor, in the two of which existence of dry space is expected.

Beyond the second siphon visually was possible to observe the depressions of different shapes and depth, where the existence of weathered boulders is observed.

There is a hall of considerable size among the second and the third siphons, from which a dry section of the cave can be reached with a high probability. There was found the entrance of the unknown siphon part, which goes in perpendicular to the main corridor of the siphon section.

Beyond the third siphon there is a half flooded corridor that connects the dry part of the main corridor among the first and the second siphons.

The corridor ends by the fourth siphon, the survey of which is planned for the summer expedition season.