The characteristics, peculiarities, the development of the epikarst, and its role in karstifcation are described here. Epikarst varieties are differentiated, the development of these varieties is interpreted, and the factors infuencing the development of varieties are taken into consideration. <...>

The Neoproterozoic Uinta Mountain Group is undergoing a new phase of stratigraphic and paleontologic research toward understanding the paleoenvironments, paleoecology, correlation across the range and the region, paleogeography, basin type, and tectonic setting. Mapping, measured sections, sedimentology, paleontology, U-Pb geochronology, and C-isotope geochemistry have resulted in the further characterization and genetic understanding of the western and eastern Uinta Mountain Group.

Oil and gas-bearing suites are determined in large stratigraphical range of geological structure of the onshore and offshore territory of the Azerbaijan Republic starting from Aalenian subdivision of the Middle Jurassic epoch to the Absheron subdivision of the upper Pliocene. Moreover, middle Pliocene is the basic oil and gas-bearing suite (productive layer) and it prevails according to specific gravity of potential resources and oil and gas-bearing prospectivity.

Seismology is, in the truest sense of the word, a global science, not limited to political boundaries. Thus, it can only be effectively practiced through international cooperation.
Seismology is primarily an observational science. Quantitative measurements of seismic ground motion as a function of time require physically well defined, continuously recording instruments. Suitable seismographs of different design principles became available at the end of the 19th century. In the following years, a considerable number of seismograph stations were installed at sites around the globe. At the dawn of this century, some of these stations celebrate their 100th anniversary, as does the International Association of Seismology and Physics of the Earth’s Interior (IASPEI).