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Vol 223
Pages:
9
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RUS ENG

Combined 2D inversion of electrotomographic and audio-magnetotellurgic sounding data to solve mining problems

Authors:
V. A. Kulikov1
A. E. Kaminskii2
A. G. Yakovlev3
About authors
  • 1 — Lomonosov Moscow State University
  • 2 — «Astra LTD»
  • 3 — Lomonosov Moscow State University
Date submitted:
2016-09-21
Date accepted:
2016-11-04
Date published:
2017-02-26

Abstract

Electrical methods of exploration are widely applied in prospecting and estimation of ore mineral resources. It is not always that geoelectrical models obtained in the course of interpretation of different types of electric and electromagnetic sounding are in line with each other. This leads to difficulties in geological interpretation of electrical exploration results. In single cases a geological model can be built that with great precision satisfies data from different electrical explorations, for instance, results of geometric and inductive electromagnetic soundings. For this purpose an algorithm of combined inversion of electrotomographic and audio-megnetotellurgic sounding data has been developed and implemented by A.E.Kaminskii in software ZondRes2D. Advantage of combined inversion has been shown for investigation of sections up till 400-500 m deep on synthetic models and actual field data. 

10.18454/pmi.2017.1.9
Go to volume 223

References

  1. Возможности методов магнитотеллурики в задачах рудной геофизики / Ив.М.Варенцов, В.А.Куликов, А.Г.Яковлев, Д.В.Яковлев // Физика Земли. 2013. № 3. С. 9-29.
  2. Каминский А.Е. Совместная двумерная инверсия данных электротомографии и РМТ/АМТ / А.Е.Каминский, С.А.Ерохин, А.А.Шлыков // Геофизика. 2015. № 4. С. 32-39.
  3. Комплексирование геофизических методов при поисках медно-никелевых руд на объектах ГМК «Норильский Никель» / Е.В.Андреева, А.А.Бобачев, Ив.М.Варенцов и др. // Разведка и охрана недр. 2006. № 8. С. 71-79.
  4. Куликов В.А. Практическое применение магнитотеллурических методов в рудной геофизике / В.А.Куликов, А.Г.Яковлев // Разведка и охрана недр. 2011. № 3. С. 26-33.
  5. Куликов В.А. Применение электротомографии при решении рудных задач до глубин 300-400 м / В.А.Куликов, А.А.Бобачев, А.Г.Яковлев // Геофизика. 2014. № 2. С. 39-46.
  6. Электроразведка: Пособие по электроразведочной практике / Под ред. В.К.Хмелевского, И.Н.Модина, А.Г.Яковлева. ГЕРС Москва, 2005. 311 с.
  7. Pedersen L.B. Routine 2D inversion of MT data using the determinant of the impedance tensor / L.B.Pedersen, M.Engels // Geophysics. 2005. Vol. 70(2). P. G33-G41.

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