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A. Yu. Davydenko
A. Yu. Davydenko
GeliosGroup
GeliosGroup
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Articles

Application of the modern electric exploratory technologies in prospecting of mineral deposits
  • Date submitted
    2016-11-09
  • Date published
    2013-01-01

The effect of integration robust regression analysis with inversion of transients for median gradient method at study of diatremes on Anabar shield

For diatremes searching on Anabar crystalline shield classical scheme with measuring in both in frequency and time domain has been used. Using  original  algorithms in combination with robust statistical methods  allow to significantly increase  efficiency information quality  of the field material and detect transient during switch on current pulse. The robust regression procedure was used for removing curves dependence from transmitter-receiving setup. Sediments covered diatreme was discovered in the vicinity of etalon object. The diatreme, which was verified more recently by a borehole, was non manifested in the resistivity map. Inversion  of areal data of transients was performed within five-layers one dimensional induced polarization model and sensitivity is observed up to 1200 m depth.

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Yu. A. Davydenko, A. Yu. Davydenko, I. S. Kupriyanov, P. A. Popkov, S. V. Sleptsov, I. Yu. Pesterev, S. V. Yakovlev (2013) The effect of integration robust regression analysis with inversion of transients for median gradient method at study of diatremes on Anabar shield. Journal of Mining Institute. Vol 200. p. 28.
Geology
  • Date submitted
    2017-04-20
  • Date published
    2017-04-25

Result of combining data from impulse electrical prospecting and aeromagnetic prospecting for groundwater exploration in the south of Yakutia

In 2014 in the south of Yakutia in the course of groundwater exploration works a complex of geophysical methods was tested: aeromagnetic and electrical prospecting was carried out using near-field transient sounding and electromagnetic sounding with induced polarization. Prospective structures for hydrogeological drilling are zones of discontinuous tectonic faults. In order to identify them, data from aeromagnetic and electrical prospecting were used. Results of drilling confirmed the presence of watered areas; however, analysis of obtained information allowed to come to the conclusion that the amount of water in the faults has no direct connection to electrical conductivity.

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A. Yu. Davydenko, N. A. Aikasheva, S. V. Bukhalov, Yu. A. Davydenko (2017) Result of combining data from impulse electrical prospecting and aeromagnetic prospecting for groundwater exploration in the south of Yakutia. Journal of Mining Institute. Vol 224. p. 156. DOI: 10.18454/pmi.2017.2.156