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Integrated geophysical and geological methods to investigate the inner and outer structures of the Quaternary Mýtina maar (W-Bohemia, Czech Republic)
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SYSNO ASEP 0441001 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Integrated geophysical and geological methods to investigate the inner and outer structures of the Quaternary Mýtina maar (W-Bohemia, Czech Republic) Author(s) Flechsig, C. (DE)
Heinicke, J. (DE)
Mrlina, Jan (GFU-E) ORCID, RID
Kämpf, H. (DE)
Nickschick, T. (DE)
Schmidt, A. (DE)
Bayer, Tomáš (GFU-E) ORCID, RID
Günther, T. (DE)
Rücker, C. (DE)
Seidel, E. (DE)
Seidl, Michal (GFU-E) ORCID, RIDSource Title International Journal of Earth Sciences. - : Springer - ISSN 1437-3254
Roč. 104, č. 8 (2015), s. 2087-2105Number of pages 19 s. Publication form Print - P Language eng - English Country DE - Germany Keywords Eger Rift ; Quaternary maar volcanism ; Mýtina maar ; geophysical and geological survey Subject RIV DC - Siesmology, Volcanology, Earth Structure R&D Projects LM2010008 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support GFU-E - RVO:67985530 UT WOS 000363871200010 EID SCOPUS 84945491128 DOI https://doi.org/10.1007/s00531-014-1136-0 Annotation The Mýtina maar is the first known Quaternary maar in the Bohemian Massif. Based on the results of Mrlina et al. (J Volcanol Geother Res 182:97-112, 2009), a multiparametric geophysical (electrical resistivity tomography, gravimetry, magnetometry, seismics) and geological/petrochemical research study had been carried out. The interpretation of the data has provided new information about the inner structure of the volcanic complex: (1) specification of the depth of post-volcanic sedimentary fill (up to similar to 100 m) and (2) magnetic and resistivity signs of one (or two) hidden volcanic structures interpreted as intrusions or remains of a scoria cone. The findings at the outer structure of the maar incorporate the (1) evidence of circular fracture zones outside the maar, (2) detection and distribution of volcanic ejecta and tephra-fall deposits at the surface, and (3) indications from electrical resistivity tomography and gravity data in the area between the Mýtina maar and Železná hůrka scoria cone, interpreted as a palaeovalley, filled by volcaniclastic rocks, and aligned along the strike line (NW-SE) of the Tachov fault zone. Workplace Geophysical Institute Contact Hana Krejzlíková, kniha@ig.cas.cz, Tel.: 267 103 028 Year of Publishing 2016
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