Hydrogeology of the Erunakovo area of the Kuznetsk basin in the context of the problem of coal methane formation and mining

S. L. Shvartsev, V. T. Khryukin, E. V. Domrocheva, K. I. Kuzevanov, N. M. Rasskazov, T. S. Popova, O. E. Lepokurova, E. V. Shvachko

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10 Citations (Scopus)

Abstract

Detailed study was given to the hydrogeology of the coal methane-promising Erunakovo region. We have established that all aquifers there are mutually related and form a single aquifer complex consisting of a series of microbeds of different water trahsmissivities and permeabilities. Two zones have been recognized in the Erunakovo region -of intense and slow water exchange (fresh- and brackish-water, respectively). Fresh waters with mineralization of up to 1 g/1 and pH = 7-8 occur at depths down to ∼300 m or, seldom, 500 m. Brackish waters have mineralization of 1-13 g/l and pH reaching 10.1. The higher mineralization is due to the higher contents of HCO3 - and Na and, sometimes, SO4 2, produced through sulfide oxidation, and Cl-, concentrated as a result of evaporation. In the study region, CO2 is not of mantle genesis but is the product of coal metamorphism.

Original languageEnglish
Pages (from-to)881-891
Number of pages11
JournalGeologiya i Geofizika
Volume47
Issue number7
Publication statusPublished - 2006

Keywords

  • Coal
  • Coal beds
  • Hydrogeology
  • Isotopes
  • Methane
  • Mineralization
  • Water exchange

ASJC Scopus subject areas

  • Earth and Planetary Sciences (miscellaneous)

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    Shvartsev, S. L., Khryukin, V. T., Domrocheva, E. V., Kuzevanov, K. I., Rasskazov, N. M., Popova, T. S., Lepokurova, O. E., & Shvachko, E. V. (2006). Hydrogeology of the Erunakovo area of the Kuznetsk basin in the context of the problem of coal methane formation and mining. Geologiya i Geofizika, 47(7), 881-891.