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Integrated bio- and magnetostratigraphic data from the Lower to Upper Berriasian of the pelagic succession at Barlya (Western Balkan, Bulgaria) are presented. The investigated interval, 24 m thick, covers the top of the Calpionella elliptica, Calpionellopsis simplex and Calpionellopsis oblonga subzones. Magnetozones from the upper part of M17r up to M16n were identified. The boundary between the Elliptica and Simplex subzones correlates with the lower part of M16r, while the boundary between the Simplex and Oblonga subzones is situated in the lower part of M16n. The magnetic susceptibility reveals an increasing trend from the middle part of M16r which accounts for the increasing supply of fine clastic sediments to the basin.
Czasopismo
Rocznik
Tom
Strony
185--194
Opis fizyczny
Bibliogr. 20 poz.
Twórcy
autor
- Polish Geological Institute – National Research Institute, Rakowiecka 4, 00-975 Warszawa
autor
- Geological Institute of the Bulgarian Academy of Sciences, Acad. G. Bonchev str., bl. 24, 1113 Sofia, Bulgaria
autor
- Institute of Geology of the Academy of Sciences of the Czech Republic, v.v.i., Rozvojová, 269, 165 000 Praha 6, Czech Republic
autor
- Polish Geological Institute – National Research Institute, Rakowiecka 4, 00-975 Warszawa, Poland
autor
- Geological Institute of the Bulgarian Academy of Sciences, Acad. G. Bonchev str., bl. 24, 1113 Sofia
Bibliografia
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- 3.Dabovski Ch., Zagorchev I., 2009 — Alpine subdivision of Bulgaria. In: Geology of Bulgaria (eds Zagorchev et al.). V. 2, part 5: Mesozoic geology: 30–37. BAS Publishing House, Sofia [in Bulgarian with English summary].
- 4.Galbrun B., 1985 — Magnetostratigraphy of the Berriasian stratotype section (Berrias, France). Earth and Planetary Science Letters, 74: 130–136.
- 5.Grabowsk i J., Pszczółkowsk i A., 2006 — Magneto- and biostratigraphy of the Tithonian–Berriasian pelagic sediments in the Tatra Mountains (central Western Carpathians, Poland): sedimentary and rock magnetic changes at the Jurassic/Cretaceous boundary. Cretaceous Research, 27: 398–417.
- 6.Grabowsk i J., Schna bl P., Lakova I., Sobień K., Petrova S., 2013a — First magnetostratigraphic results of the Berriasian in the Western Balkan Mts, Bulgaria. “Geosciences 2013”, Proccedings of the Bulgarian Geological Society, Sofia, 13–14 December 2013: 69–70.
- 7.Grabowsk i J., Schnyder J., Sobień K., Koptiková L., Krzemińsk i L., Pszczółkowsk i A., Hejnar J., Schnabl P., 2013b — Magnetic susceptibility and spectral gamma logs in the Tithonian–Berriasian pelagic carbonates in the Tatra Mts (Western Carpathians, Poland): palaeoenvironmental changes at the Jurassic/Cretaceous boundary. Cretaceous Research, 43: 1–17.
- 8.Hardenbol J., Thierry J., Harley M.B., Jacquin Th., de Graciansky P.-C., Vail P.R., 1998 — Mesozoic and Cenozoic Sequence Chronostraphic Framework of European basins. Appendix. SEPM Special Publication, 160: 763–786.
- 9.Lakova I., Petrova S., 2013 — Towards a standard Tithonian to Valanginian calpionellid zonation of the Tethyan Realm. Acta Geologica Polonica, 63: 201–221.
- 10.Lakova I., Tchoumatchenco P., Ivanova D., Koleva- Rekalova E., 2007 — Callovian to Lower Cretaceous pelagic carbonates in the West Balkan Mountains (Komshtitsa and Barlya sections): integrated biostratigraphy and microfacies. Geologica Balcanica, 36, 3/4: 81–89.
- 11.MICHALÍK J., REHÁKOVÁ D., 2011 — Possible markes of the Jurassic/Cretaceous boundary in the Mediterranean Tethys: a review and state of art. Geoscience Frontiers, 2: 475–490.
- 12.Ogg J.G., Hasenyager R.W., Wimbledon W.A., Channell J.E.T., Bralower T.J., 1991 — Magnetostratigraphy of the Jurassic–Cretaceous boundary interval – Tethyan and English faunal realms. Cretaceous Research, 12: 455–482.
- 13.Ogg J.G., 2012 — Geomagnetic Polarity Time Scale. In: The Geologic Time Scale (eds F.M. Gradstein et al.). V. 1: 85–113.
- 14.Petrova S., Rabrenović D., Lak ova I., Koleva- Rekalova E., Ivan ova D., Metodiev L., Malešević N., 2012 — Biostratigraphy and microfacies of the pelagic carbonates across the Jurassic/Cretaceous boundary in eastern Serbia (Stara Planina-Poreč Zone). Geologica Balcanica, 41: 1–3: 53–76.
- 15.POP G., 1994 — Calpionellid evolutive events and their use in biostratigraphy. Romanian Journal of Stratigraphy, 76: 7–24.
- 16.REHÁKOVÁ D., MICHALÍK J., 1997 — Evolution and distribution of calpionellids – the most characteristic constituents of Lower Cretaceous Tethyan microplankton. Cretaceous Research, 18: 495–504.
- 17.REMANE J., 1971 — Les Calpionelles, Protozoaires planctoniques des mers mésogéennes de l’époque secondaire. Annales Guébhard, 47: 369–432.
- 18.Schnyder J., Baudin F., Deconinck J.-F., 2009 — Occurrence of organic-matter-rich beds in Early Cretaceous coastal evaporitic setting (Dorset, UK): a link to long term paleoclimatic changes? Cretaceous Research, 30: 356–366.
- 19.Wimbledon W.A.P., Cas ellat o C.E., Reháková D., Bulot L.G., Erba E., Gardin S., Verreussel R.M.C.H., Munsterman D.K., Hunt C.O., 2011 — Fixing a basal Berriasian and Jurassic/Cretaceous (J/K) boundary – is there perhaps some light at the end of the tunnel? Rivista Italiana di Paleontologia e Stratigrafia, 117: 295–307.
- 20.Wimbledon W.A.P., Reháková D., Pszczółkowsk i A., Casellat o C.E., Halásová E., Frau C., Bulot L.G., Grabowsk i J., Sobień K., Pruner P., Schnabl P., Čižková K., 2013 — An account of the bio- and magnetostratigraphy of the Upper Tithonian – Lower Berriasian interval at Le Chouet, Drome (SE France). Geologica Carpathica, 64: 437–460.
Typ dokumentu
Bibliografia
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