1887

Abstract

Summary

A magnetotelluric survey has been conducted in the Cappadocia region of central Turkey in order to find new geothermal resources. The survey area has formerly been postulated as the location of a buried caldera that was one of the main eruptive centres of Cappadocian Volcanic Province. Three-dimensional non-linear conjugate gradient inversion of magnetotelluric data by using the full impedance tensor helps to delineate the subsurface resistivity distribution. The derived resistivity model reveals the possibility of a buried caldera. The low resistivity anomalies are interpreted as the clay alteration zones caused by hydrothermal activities.

Loading

Article metrics loading...

/content/papers/10.3997/2214-4609.201902617
2019-09-18
2024-04-18
Loading full text...

Full text loading...

References

  1. Afsin, M., Allen, D. M., Kirste, D., Durukan, U. G., Gurel, A. and Oruc, Ö.
    [2014] Mixing processes in hydrothermal spring systems and implications for interpreting geochemical data: a case study in the Cappadocia region of Turkey. Hydrogeology Journal, 22, 7–23.
    [Google Scholar]
  2. Başokur, A. T.
    [1994] Definitions of apparent resistivity for the presentation of magnetotelluric sounding data. Geophysical Prospecting, 42, 141–149.
    [Google Scholar]
  3. [1999] Properties of the magnetotelluric frequency-normalised impedance function over a layered medium. Journal of the Balkan Geophysical Society, 2, 63–74. (available at http://www.balkangeophysoc.gr/).
    [Google Scholar]
  4. Başokur, A.T.
    [2015] Frequency-normalised impedance for the efficient data visualization in magnetotellurics, 8th Congress of the Balkan Geophysical Society 5-8 October 2015, Chania, Greece (http://www.earthdoc.org/publication/publicationdetails/?publication=82868).
    [Google Scholar]
  5. Egbert, G.D., Kelbert, A.
    , [2012] Computational recipes for electromagnetic inverse problems. Geophys. J. Int., 189, 167–251.
    [Google Scholar]
  6. Froger, J.L., Lenat, J.F., Chorowicz, J., Le Pennec, J.L., Bourdier, J.L., Köse, O., Zimitoğlu, O., Gündoğdu, N.M. and Gourgaud, A.
    , [1998], Hidden calderas evidenced by multisource geophysical data; example of Cappadocian Calderas, Central Anatolia. Journal of Volcanology and Geothermal Research, 185, 99–128.
    [Google Scholar]
  7. Kelbert, A., Meqbel, N., Egbert, G. D. and Tandon, K.
    , [2014] ModEM: A modular system for inversion of electromagnetic geophysical data, Computers & Geosciences, 66, 40–53.
    [Google Scholar]
  8. Pasquare, G., Poli, S., Vezzoli, L., Zanchi, A.
    [1988] Continental arc volcanism and tectonic setting in central Anatolia, Turkey. Tectonophysics, 146, 217–230.
    [Google Scholar]
  9. Şener, M. F., Şener, M. and UysalI. T.
    [2017] The evolution of the Cappadocia Geothermal Province, Anatolia (Turkey): geochemical and geochronological evidence, Hidrogeological Journal25, 2323–2345.
    [Google Scholar]
  10. Toprak, V.
    [1998] Vent distribution and its relation to regional tectonics, Cappadocian Volcanics, Turkey. Journal of Volcanology and Geothermal Research, 85, 55–67.
    [Google Scholar]
  11. ZorinN.I. and AlekseevD.A.
    [2018] Causality and dispersion relations in electrical prospecting. Russian Geology and Geophysics, 59, 313–323.
    [Google Scholar]
http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.201902617
Loading
/content/papers/10.3997/2214-4609.201902617
Loading

Data & Media loading...

This is a required field
Please enter a valid email address
Approval was a Success
Invalid data
An Error Occurred
Approval was partially successful, following selected items could not be processed due to error