Geology

About Possible Reflexion of Paleocological Conditions in Petromagnesism of Kallovian - Oxfordian Deposits of Dubki Section (Saratov)

As a result of the complex analysis of petromagnetic, micro- and macrofaunistic data of deposits on the Kallovian – Oxfordian boundary of Dubki section (Saratov), which is one of candidates for a role of a Global Boundary Stratotype Section and Point of Oxfordian boundary (GSSP), it is established significant correlation between magnetic susceptibility variations and changes of an abundance, a specific variety of ostracodes, foraminiferes and ammonites.

Aspects of Modern Higher Education

High school and specifically – professional geological education go through the period of essential structural and profound reformation. The modern state of components of higher professional education has been considered. The ideas about disappearing components of this system and probably the fact that can change them have been stated. 

Unique Steppe Natural Complexes of the Left Bank Volga River in Saratov Region

According to field researches of the Left bank Volga river in Saratov region in article are shortly presented descriptions of two steppe sites which are unique for this strongly agriculturally transformed territory. The inference are made about necessity of special researches around there, because it is the most perspective for search steppe protected areas. 

Stratigraphy of the Baojcian-Bathonian Marine Deposites of the Volga Region

There are unceptainties in the boundaries, extensions and ages of the suites recognized in the recent regional stratigra-phic chart for the Middle Jurassic of the Saratov and Volgograd Volga right-bank Regions. Analyses of the new factual materials acquired from numerous well cores and the data from the outcrops in the stratotype locality at the North Vol-gograg Region make the basis for elaborating the deposite division. Detaled lithologic and paleontologic characteristics, their thicknesses and areals are estimated over Volga right-bank Region. 

Mesozoic-Cenozoic Oversalt Deposits from the Gremyachkinskoye Sylvinite Field

The authors consider compositions of the rocks penetrated with the Well NO 13 in the Gremyachkinskoye sylvinite field, Volgograd Region. Varied complexes of terrigenous, ciliceous and carbonate rocks, alongside with their mixed varieties rhythmically alternate there over the Late Cretaceous, Paleogene, Neogene and Quaternary sections. Reconstructions have been made of their generation settings within marine basins; the basin evolution during that lengthy period used to be associated with periodic manifestations of tectonic events of both, global and regional scales. 

Stratigrafy of Santonian-Campanian Deposits of South-Easten Russian Platform on the Example of Section Separation Near the Village Mezino-Lapshinovka and the Problem of Intrasantonian Boundary in the Saratov Volga Region

The results of interpretation of biostratigraphic separation of santonian-campanian deposits of the Saratov right-bank Volga region, on the example of earlier conducted detailed and complex investigation of separation near the village Mezino-Lapshinovka have been presented. The ideas of realiability of variants of the detailed (on the level of subtages) subdivision of santonian substage in reference to the territory of the Volga right-bank have been given. 

Features of the Permian and Triassic beds in the supersalt complex from the Gremyachinskoye potassium salt field

Study of the supersalt beds from the Gremyachinskoye sylvinite filed has shown the sections of both, the Permian and the Triassic beds to be curtailed relative to other areas of the Pricaspian Depression. Fragmentary parts of the Middle and of the Upper Permian beds have been revealed alongside with the Lower and the Middle Triassic, missing upper Triassic beds and the traces of the Upper Jurassic deposits.

Condition of a Level of Scrutiny Gulling in Territory of Saratov and Vicinities

On the basis of the analysis of the literature on studying gulling in territory of Saratov and vicinities the basic techniques and results of researches for more than 130-years period, and also directions of modern studying are noted. The modern level of a level of scrutiny gulling territories is certain. 

Paleogeographic Interpretation of the Taphonomy of the Principal Middle and Upper Permian Ichthyofauna Locations from European Russia

Paleogeographic reconstructions of sedimentation settings have been substantially refined from the taphonomic data from the ichthyofauna localities; the Permian fishes from East Europe have lately acquired the orthostratigraphic status. The taphonomic research in a number of the Middle and the Late Permian ichthyofauna locations has largely confirmed the reality of existence of fairly extensive sedimentation basins over European Russia in the Kazanian, the Urzhumian and the Severodvinian ages; those basins used to be periodically connected with the World Ocean. 

The End-Permian Mass Extinction Events on Land in Russia

The mass extinction of life in the sea and on land 251 million years ago, at the Permian-Triassic boundary, was undoubtedly the largest mass extinction of all time. Sedimentological and geochemical evidence shows that global temperatures rose, that there was extensive oceanic anoxia, and that there was massive erosion of sediment, especially soils, from the land. These phenomena might have been a consequence of the massive eruptions of the Siberian Traps, which produced carbon dioxide, and greenhouse gas, as well as acid rain, which killed plants and led to stripping of soils.

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