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E. A. Botalova
E. A. Botalova
G.V. Plekhanov Saint Petersburg Mining University
G.V. Plekhanov Saint Petersburg Mining University

Articles

Problems of predicting and preventing emergencies and their consequences
  • Date submitted
    2002-08-21
  • Date accepted
    2002-09-13
  • Date published
    2003-03-01

Endogenous, exogeneous and technogenic factors of environmental impact on human environment within north-west of Russia

Article preview

The living environment of the Northwest region of Russia is significantly affected by both natural geological (endogenous and exogenous geodynamic, geochemical and radiogeochemical) and anthropogenic factors. The greatest environmental hazards are those areas where there is a combination of high probability of dangerous natural phenomena and excessive technogenic impact on the environment. Such areas include the west of the Kola Peninsula, a number of territories of the Leningrad Region, and others.

How to cite: Smyslov A.A., Marchenko A.G., Kulachkov L.V., Botalova E.A. Endogenous, exogeneous and technogenic factors of environmental impact on human environment within north-west of Russia // Journal of Mining Institute. 2003. Vol. 154. p. 248-250.
Geology
  • Date submitted
    2001-07-28
  • Date accepted
    2001-08-16
  • Date published
    2002-02-01

Fundamental principles of cyclostratigraphic analysis

Article preview

In contrast to stratigraphy, the object of study of which is the temporal correlation of layers and strata distinguished by the stability within certain characteristics and position in the crustal section, the objects of cyclostratigraphy are combinations of layers with directional variability of these characteristics. The main criteria for the temporal limitation of such objects are not the disturbance of the stationarity of the observed characteristics, but the phases corresponding to the change of tendencies in the directional sequence of bedding (transgressive or regressive). Therefore, the task of cyclostratigraphy becomes the search for extreme positions in the sections of sedimentary strata, reflecting the change of tendencies of the transgressive- regressive process. Obviously, the extremums sought for in the content fix the change of trends in the development of one of the three groups of sediment-forming exogenic factors - dynamic, chemical, and climatic.

How to cite: Botalova E.A. Fundamental principles of cyclostratigraphic analysis // Journal of Mining Institute. 2002. Vol. № 2 150. p. 5-8.
Forecasting and prevention of emergencies and their consequences
  • Date submitted
    2000-10-07
  • Date accepted
    2000-11-13
  • Date published
    2001-05-01

Geodynamic and other natural factors of the ecological state of Russia's geological environment

Article preview

Natural processes with negative impacts on the natural environment and human life safety are widely manifested on the territory of Russia: endogenous (seismic hazard) and exogenous (mudflows, avalanches) geodynamic phenomena, as well as the accumulation of anomalous concentrations of toxicants in geological bodies.

How to cite: Smyslov A.A., Marchenko A.G., Kulachkov L.V., Botalova E.A., Tutakova A.Y., Alekhina V.V., Baranauskaite I.A. Geodynamic and other natural factors of the ecological state of Russia’s geological environment // Journal of Mining Institute. 2001. Vol. № 5 149. p. 271-274.