Middle to Late Jurassic pelagites and gravity mass flow deposits of a displaced Neotethyan margin: Microfacies and biostratigraphical studies in Northeast Hungary
Microfacies, depositional age and sedimentary environment were characterised for two Jurassic successions, which were deposited on the Adriatic microcontinental margin of the Neotethys Ocean. Investigations were carried out mostly on cores drilled in the Mesozoic basement of the eastern part of the...
Saved in:
| Main Authors: | , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Faculty of Mining and Geology, Belgrade
2024-01-01
|
| Series: | Geološki Anali Balkanskoga Poluostrva |
| Subjects: | |
| Online Access: | https://doiserbia.nb.rs/img/doi/0350-0608/2024/0350-06082400014H.pdf |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1832581990345342976 |
|---|---|
| author | Haas János Fodor László Đerić Nevenka Szives Ottilia Ozsvárt Péter Fialowski Melinda Kövér Szilvia |
| author_facet | Haas János Fodor László Đerić Nevenka Szives Ottilia Ozsvárt Péter Fialowski Melinda Kövér Szilvia |
| author_sort | Haas János |
| collection | DOAJ |
| description | Microfacies, depositional age and sedimentary environment were characterised for two Jurassic successions, which were deposited on the Adriatic microcontinental margin of the Neotethys Ocean. Investigations were carried out mostly on cores drilled in the Mesozoic basement of the eastern part of the Mátra Mountains (Recsk area) and the westernmost part of the Bükk Mountains, NE Hungary. This area represents the continuation of the Inner Dinaric nappesystem, and was displaced along the Mid‐Hungarian Shear Zone during the Late Oligocene to Early Miocene. The pre‐Cenozoic basement of the area is characterised by three juxtaposed units: the lowermost Recsk Succession, the Tarna Olistostrome and the topmost Darnóhegy Mélange nappe. The Recsk Succession is made up of Upper Triassic, cherty carbonates of pelagic basin development that are overlain by pelagic limestones of Early to early Middle Jurassic age. The carbonate sedimentation changed gradually into shale‐domi nated one during the late Bathonian to the early Callovian. In the Bajocian to early Callovian interval the Recsk area was located at the toe of a coeval carbo nate platform, which provided gravitational mass flows reaching the investigated area. The external margin of this platform drowned and got covered by the pelagic shale in the late Bajocian. The Tarna Olistostrome is built up by a Tithonian pelagic mixed carbonatic and siliciclastic succession with breccia/olistostrome horizons. The clasts derived from the Upper Permian– Lower Jurassic succession of a distal Adriatic margin. The Darnóhegy Mélange is a typical sub‐ophiolitic mélange comprising scrapped off blocks and slices from the lower plate and gravitationally redeposited / tectonically sheared blocks from the overriding ophiolite nappe. The age of the mélange is Callovian–Oxfordian. These inferences may serve as a base for new geodynamic evaluations of the studied region. |
| format | Article |
| id | doaj-art-e12acf598f7e433eb678b02ac94a5bd1 |
| institution | Kabale University |
| issn | 0350-0608 2406-0747 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | Faculty of Mining and Geology, Belgrade |
| record_format | Article |
| series | Geološki Anali Balkanskoga Poluostrva |
| spelling | doaj-art-e12acf598f7e433eb678b02ac94a5bd12025-01-30T06:45:18ZengFaculty of Mining and Geology, BelgradeGeološki Anali Balkanskoga Poluostrva0350-06082406-07472024-01-01852176410.2298/GABP241010014H0350-06082400014HMiddle to Late Jurassic pelagites and gravity mass flow deposits of a displaced Neotethyan margin: Microfacies and biostratigraphical studies in Northeast HungaryHaas János0https://orcid.org/0000-0003-0929-8889Fodor László1https://orcid.org/0000-0002-0606-4414Đerić Nevenka2https://orcid.org/0000-0002-5141-898XSzives Ottilia3https://orcid.org/0000-0002-7279-6568Ozsvárt Péter4https://orcid.org/0000-0001-9834-9398Fialowski Melinda5Kövér Szilvia6https://orcid.org/0000-0002-6736-4226ELTE Eötvös Loránd University, Institute of Geography and Earth Sciences, Department of Geology, Budapest, HungaryHUN-REN, Institute of Earth Physics and Space Science, Sopron, Hungary + ELTE Eötvös Loránd University, Institute of Geography and Earth Sciences, Department of Geology, Budapest, HungaryUniversity of Belgrade, Faculty of Mining and Geology, Belgrade, SerbiaDepartment of Collections, Geological Survey, Supervisory Authority for Regulatory Affairs, Budapest, HungaryHUN-REN-MTM-ELTE, Research Group for Paleontology, Budapest, HungaryELTE Eötvös Loránd University, Institute of Geography and Earth Sciences, Department of Geology, Budapest, HungaryHUN-REN, Institute of Earth Physics and Space Science, Sopron, Hungary + ELTE Eötvös Loránd University, Institute of Geography and Earth Sciences, Department of Geology, Budapest, HungaryMicrofacies, depositional age and sedimentary environment were characterised for two Jurassic successions, which were deposited on the Adriatic microcontinental margin of the Neotethys Ocean. Investigations were carried out mostly on cores drilled in the Mesozoic basement of the eastern part of the Mátra Mountains (Recsk area) and the westernmost part of the Bükk Mountains, NE Hungary. This area represents the continuation of the Inner Dinaric nappesystem, and was displaced along the Mid‐Hungarian Shear Zone during the Late Oligocene to Early Miocene. The pre‐Cenozoic basement of the area is characterised by three juxtaposed units: the lowermost Recsk Succession, the Tarna Olistostrome and the topmost Darnóhegy Mélange nappe. The Recsk Succession is made up of Upper Triassic, cherty carbonates of pelagic basin development that are overlain by pelagic limestones of Early to early Middle Jurassic age. The carbonate sedimentation changed gradually into shale‐domi nated one during the late Bathonian to the early Callovian. In the Bajocian to early Callovian interval the Recsk area was located at the toe of a coeval carbo nate platform, which provided gravitational mass flows reaching the investigated area. The external margin of this platform drowned and got covered by the pelagic shale in the late Bajocian. The Tarna Olistostrome is built up by a Tithonian pelagic mixed carbonatic and siliciclastic succession with breccia/olistostrome horizons. The clasts derived from the Upper Permian– Lower Jurassic succession of a distal Adriatic margin. The Darnóhegy Mélange is a typical sub‐ophiolitic mélange comprising scrapped off blocks and slices from the lower plate and gravitationally redeposited / tectonically sheared blocks from the overriding ophiolite nappe. The age of the mélange is Callovian–Oxfordian. These inferences may serve as a base for new geodynamic evaluations of the studied region.https://doiserbia.nb.rs/img/doi/0350-0608/2024/0350-06082400014H.pdfmicrofaciessedimentationmiddle jurassiclate jurassicbiostratigraphyneotethys |
| spellingShingle | Haas János Fodor László Đerić Nevenka Szives Ottilia Ozsvárt Péter Fialowski Melinda Kövér Szilvia Middle to Late Jurassic pelagites and gravity mass flow deposits of a displaced Neotethyan margin: Microfacies and biostratigraphical studies in Northeast Hungary Geološki Anali Balkanskoga Poluostrva microfacies sedimentation middle jurassic late jurassic biostratigraphy neotethys |
| title | Middle to Late Jurassic pelagites and gravity mass flow deposits of a displaced Neotethyan margin: Microfacies and biostratigraphical studies in Northeast Hungary |
| title_full | Middle to Late Jurassic pelagites and gravity mass flow deposits of a displaced Neotethyan margin: Microfacies and biostratigraphical studies in Northeast Hungary |
| title_fullStr | Middle to Late Jurassic pelagites and gravity mass flow deposits of a displaced Neotethyan margin: Microfacies and biostratigraphical studies in Northeast Hungary |
| title_full_unstemmed | Middle to Late Jurassic pelagites and gravity mass flow deposits of a displaced Neotethyan margin: Microfacies and biostratigraphical studies in Northeast Hungary |
| title_short | Middle to Late Jurassic pelagites and gravity mass flow deposits of a displaced Neotethyan margin: Microfacies and biostratigraphical studies in Northeast Hungary |
| title_sort | middle to late jurassic pelagites and gravity mass flow deposits of a displaced neotethyan margin microfacies and biostratigraphical studies in northeast hungary |
| topic | microfacies sedimentation middle jurassic late jurassic biostratigraphy neotethys |
| url | https://doiserbia.nb.rs/img/doi/0350-0608/2024/0350-06082400014H.pdf |
| work_keys_str_mv | AT haasjanos middletolatejurassicpelagitesandgravitymassflowdepositsofadisplacedneotethyanmarginmicrofaciesandbiostratigraphicalstudiesinnortheasthungary AT fodorlaszlo middletolatejurassicpelagitesandgravitymassflowdepositsofadisplacedneotethyanmarginmicrofaciesandbiostratigraphicalstudiesinnortheasthungary AT đericnevenka middletolatejurassicpelagitesandgravitymassflowdepositsofadisplacedneotethyanmarginmicrofaciesandbiostratigraphicalstudiesinnortheasthungary AT szivesottilia middletolatejurassicpelagitesandgravitymassflowdepositsofadisplacedneotethyanmarginmicrofaciesandbiostratigraphicalstudiesinnortheasthungary AT ozsvartpeter middletolatejurassicpelagitesandgravitymassflowdepositsofadisplacedneotethyanmarginmicrofaciesandbiostratigraphicalstudiesinnortheasthungary AT fialowskimelinda middletolatejurassicpelagitesandgravitymassflowdepositsofadisplacedneotethyanmarginmicrofaciesandbiostratigraphicalstudiesinnortheasthungary AT koverszilvia middletolatejurassicpelagitesandgravitymassflowdepositsofadisplacedneotethyanmarginmicrofaciesandbiostratigraphicalstudiesinnortheasthungary |