Najnovejša spoznanja o sedimentaciji sigove kope in podnebnih spremembah v zadnjih 3,4 ma let, Račiška pečina (JZ Slovenija)

0560408 - GLÚ 2023 RIV SI slv C - Konferenční příspěvek (zahraniční konf.)
Zupan Hajna, N. - Mihevc, A. - Bosák, Pavel - Pruner, Petr - Hercman, H. - Horáček, I. - Wagner, J. - Čermák, Stanislav - Pawlak, J. - Sierpień, P. - Kdýr, Šimon - Juřičková, L. - Švara, A.
Najnovejša spoznanja o sedimentaciji sigove kope in podnebnih spremembah v zadnjih 3,4 ma let, Račiška pečina (JZ Slovenija).
[The newest knowledge on deposition of flowstone dome and climatic changes during the last 3.4 Ma, Račiška pečina (SW Slovenia).]
Geološki zbornik. Vol. 26. Ljubljana: Univerza v Ljubljani, 2021 - (Rožič, B.), s. 151-156. ISSN 0352-3802.
[Posvetovanje slovenskih geologov /25./. Ljubljan (SI), 08.10.2021-08.10.2021]
Institucionální podpora: RVO:67985831
Klíčová slova: cave sediments * dating methods * paleoenvironment * Pliocene to Pleistocene * Classical Karst
Obor OECD: Geology

Sedimentna sekvenca sigove kope iz Račiške pečine predstavlja izjemen kronostratigrafski zapis od poznega pliocena do sedanjosti. Je eden od najbolje ohranjenih jamskih zapisov o paleokoljskih spremembah za zadnjih 3,4 milijona let nasploh. Profil vsebuje pomembno in reprezentativno pleistocensko favno, verjetno prve znane fosilne jamske polže, mejo pliocen/pleistocen ter natančno določeno mejo Matuyama/Brunhes.

The Račiška pečina cave sediment sequence represents chronostratigraphy and climate records from the late Pliocene to the Holocene. It is one of the best preserved cave records of paleoenvironmental changes of the last 3.4 Ma. The sedimentary sequence studied was mainly characterized by the deposition of flowstone layers with long hiatuses. Occasionally, the deposition of flowstone layers was interrupted by sedimentation of clayey to silty material derived from the surface above the cave. The interlayered clastic clays contained a Pleistocene fauna, in which specimens of the subterranean gastropod Zospeum sp. were also found. A detailed chronology of the Račiška pečina section based on magnetostratigraphy and isotope-oxygen stratigraphy was prepared and correlated with paleontological, U-series, and radiocarbon results. The section contains important Matuyama/Brunhes boundary, and climate change records.
Trvalý link: https://hdl.handle.net/11104/0333949