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The colour analysis method applied to homogeneous rocks

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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Computer-aided colour analysis can facilitate cyclostratigraphic studies. Here we report on a case study involving the development of a digital colour analysis method for examination of the Boda Claystone Formation which is the most suitable in Hungary for the disposal of high-level radioactive waste. Rock type colours are reddish brown or brownish red, or any shade between brown and red. The method presented here could be used to differentiate similar colours and to identify gradual transitions between these; the latter are of great importance in a cyclostratigraphic analysis of the succession. Geophysical well-logging has demonstrated the existence of characteristic cyclic units, as detected by colour and natural gamma. Based on our research, colour, natural gamma and lithology correlate well. For core Ib-4, these features reveal the presence of orderly cycles with thicknesses of roughly 0.64 to 13 metres. Once the core has been scanned, this is a time- and cost-effective method.
Czasopismo
Rocznik
Strony
233--239
Opis fizyczny
Bibliogr. 35 poz.
Twórcy
autor
  • Faculty of Sciences, University of Pécs, Ifjúság u. 6, 7624 Pécs, Hungary
autor
  • Faculty of Sciences, University of Pécs, Ifjúság u. 6, 7624 Pécs, Hungary
Bibliografia
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  • Darvas, K., Ludmann, L., Rőczei, N. & Szegő, I., 2010. Az Ib-4 jelű mélyfúrás lemélyített szakaszáról fúrásműszaki záródokumentáció [Borehole Ib-4 Drilling Engineering Report]. Golder Associates, Pécs, 756 pp.
  • Haas, J. & Péró, Cs., 2004. Mesozoic evolution of the Tisza Mega-unit. International Journal of Earth Sciences 93, 297–313.
  • Halász, A., 2009. Cycles and rhythms within the Boda Claystone in the borehole Ib-4. Central European Geology 52, 325–342.
  • Halász, A., 2012. A Bodai Agyagkő Formáció ciklusos felépítése lyukgeofizikai szelvények alapján [Cyclostratigraphic analysis of the Boda Claystone Formatian using borehole logging data] Magyar Geofizika 53, 110–120 [in Hungarian]
  • Halmai, A. & Halász, A., 2011. Colour Analysis of the Boda Claystone Formation in Borehole Ib-4 XIV. Congress of Hungarian Geomathematics, Abstract CD.
  • Hammer, Ø., Harper, D.A.T. & Ryan, P.D., 2001. PAST: Paleontological statistics software package for education and data analysis. Palaeontologia Electronica 4, (1), 9 p.
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  • Hámos, G., Földing, G., Majoros, Gy. & Konrád Gy., 1999. The role of geological research in the qualification program of the Boda Claystone Formation. ‘The Geology of Today for Tomorrow’. A satellite conference of the World Conference of Science, Budapest. 76–84.
  • Hofmann, A., Tourani, A. & Gaupp, R., 2000. Cyclicity of Triassic to Lower Jurassic continental red beds of the Argana Valley, Morocco: implications for palaeoclimate and basin evolution. Palaeogeography, Palaeoclimatology, Palaeoecology 161, 229–266.
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  • Jámbor, Á., 1964. A Mecsek hegység alsó permi képződményei [Lower-Permian formations of the Mecsek Mts]. Mecsekérc Ltd. Archives, Kővágószőlős, 113 pp. [in Hungarian]
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  • Konrád, Gy., 1999. The Boda Claystone Formation. ‘The Geology of Today for Tomorrow’. A satellite conference of the World Conference of Science, Budapest. Excursion Guide Book, 65–75.
  • Konrád, Gy. & Hámos, G, 2006. A magyarországi nagy aktivitású radioaktív hulladéktároló telephely kijelölésének földtani szempontjai és az eddigi kutatások eredményei [Geological aspects and results of the previous research, of the high-level radioactive waste repository site in Hungary]. Acta Geographica, Geologica et Meteorologica Debrecina 1, 33–39 [in Hungarian]
  • Konrád, Gy., Sebe, K., Halász, A. & Babinszki, E., 2010. Sedimentology of a Permian playa lake: Boda Claystone Formation, Hungary. Geologos 16, 27–41.
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  • Marett, G., 1978. Clay content determination by natural gamma ray spectrometry. US Patent US4096385 A.
  • Maros, Gy. & Pásztor, Sz., 2001. New and orientated core evaluation method: ImaGeo. European Geologist 12, 40–43.
  • Maros, Gy., Andrássy, L., Zilahi-Sebess, L. & Máthé, Z. 2008. Modelling the Boda Aleurolite Formation (BAF) based on core analyses using laser-induced plasma spectrometer ImaGeo-LIPS. First break 26, 129–139.
  • Máthé, Z. (Ed.), 1999. Ásvány-kőzettani, kőzetgeokémiai és izotóptranszport vizsgálatok. [Mineralogical, petrographical, rock geochemical and isotope transport studies]. Final report of the Short-term Investigation Program of the Boda Siltstone Formation 4, Mecsekérc Ltd. Archives, Pécs, 153 pp.
  • McCann, T., Kiersnowski, H., Krainer, K., Vozárová, A., Peryt, T., Oplustil, S., Stollhofen, H., Schneider, J., Wetzel, A. & Boulvain, F., 2008. Permian. In: McCann, T. (Ed.). The Geology of Central Europe, vol. 1. Precambrian and Paleozoic. Geological Society, London, 531–598.
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  • Sebe, K. & Sámson, M., 2006. Ib-4 fúrás Bodai Aleurolit Formáció [Borehole Ib-4 Boda Claystone Formation report]. Mecsekérc Ltd. Archives, Pécs, 16 pp. [in Hungarian]
  • Szarka, R., Kollár, L., Majoros, Gy. & Lovas, A., 2003. A BAF–ra mélyült archív fúrások geológiai és mélyfúrás–geofizikai adatainak egységes feldolgozása. [Uniform processing of archive geological and geophysical borehole data of the Boda Claystone Formation.] Mecsekérc Ltd. Adattár, Kővágószőlős, 1–38 [in Hungarian]
  • Varga, A.R., Szakmány, Gy., Raucsik, B. & Máthé, Z., 2005. Chemical composition, provenance and early diagenetic processes of playa lake deposits from the Boda Siltstone Formation (Upper Permian), SW Hungary. Acta Geologica Hungarica 48, 49–68.
  • Varga, A., Raucsik, B., Szakmány, Gy. & Máté, Z., 2006. A Bodai Aleurolit Formáció törmelékes kőzettípusainak ásványtani, kőzettani és geokémiai jellemzői [Mineralogical, petrological and geochemical characteristics of the siliciclastic rock types of Boda Formation]. Földtani Közlöny 136, 201–231 [in Hungarian]
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  • Vozárová, A., Ebner, F., Kovács, S., Kräutner, H-G., Szederkényi, T., Kristić, B., Sremac, J., Aljinovič, D., Novak, M. & Skaberne, D., 2009. Late Variscan (Carboniferous to Permian) environments in the Circum Pannonian Region. Geologica Carpathica 60, 71–104.
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Uwagi
Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-82ad059c-f5b5-47ca-b762-efc16899be85
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