Universität zu Köln

Harzhauser, Mathias, Grunert, Patrick, Mandic, Oleg, Lukeneder, Petra, Gallardo, Angela Garcia, Neubauer, Thomas A. ORCID: 0000-0002-1398-9941, Carnevale, Giorgio, Landau, Bernard M., Sauer, Roman and Strauss, Philipp (2018). Middle and late Badenian palaeoenvironments in the northern Vienna Basin and their potential link to the Badenian Salinity Crisis. Geol. Carpath., 69 (2). S. 149 - 181. BRATISLAVA: SLOVAK ACAD SCIENCES GEOLOGICAL INST. ISSN 1336-8052

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Abstract

Hydrocarbon exploration in the Bernhardsthal and Bernhardsthal-Sued oil fields documents an up to 2000 m thick succession of middle and upper Badenian deposits in this part of the northern Vienna Basin (Austria). Based on palaeontological analyses of core-samples, well-log data and seismic surveys we propose an integrated stratigraphy and describe the depositional environments. As the middle/late Badenian boundary is correlated with the Langhian/Serravallian boundary, the cores capture the crucial phase of the Middle Miocene Climate Transition. The middle Badenian starts with a major transgression leading to outer neritic to upper bathyal conditions in the northern Vienna Basin, indicated by Bathysiphon-assemblages and glass-sponges. A strong palaeo-relief and rapid synsedimentary subsidence accentuated sedimentation during this phase. The middle/late Badenian boundary coincides with a major drop of relative sea level by about 200 m, resulting in a rapid shift from deeper marine depositional environments to coastal and freshwater swamps. In coeval marine settings, a more than 100 m thick unit of anhydrite-bearing clay formed. This is the first evidence of evaporite precipitation during the Badenian Salinity Crisis in the Vienna Basin. Shallow lagoonal environments with diverse and fully marine mollusc and fish assemblages were established during the subsequent late Badenian re-flooding. In composition, the mollusc fauna differs considerably from older ones and is characterized by the sudden appearance of species with eastern Paratethyan affinities.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Harzhauser, Mathias UNSPECIFIED UNSPECIFIED UNSPECIFIED Grunert, Patrick UNSPECIFIED UNSPECIFIED UNSPECIFIED Mandic, Oleg UNSPECIFIED UNSPECIFIED UNSPECIFIED Lukeneder, Petra UNSPECIFIED UNSPECIFIED UNSPECIFIED Gallardo, Angela Garcia UNSPECIFIED UNSPECIFIED UNSPECIFIED Neubauer, Thomas A. UNSPECIFIED orcid.org/0000-0002-1398-9941 UNSPECIFIED Carnevale, Giorgio UNSPECIFIED UNSPECIFIED UNSPECIFIED Landau, Bernard M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Sauer, Roman UNSPECIFIED UNSPECIFIED UNSPECIFIED Strauss, Philipp UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-189966
DOI:	10.1515/geoca-2018-0009
Journal or Publication Title:	Geol. Carpath.
Volume:	69
Number:	2
Page Range:	S. 149 - 181
Date:	2018
Publisher:	SLOVAK ACAD SCIENCES GEOLOGICAL INST
Place of Publication:	BRATISLAVA
ISSN:	1336-8052
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language MIOCENE CLIMATE VARIABILITY; CENTRAL PARATETHYS; SEQUENCE STRATIGRAPHY; CARPATHIAN FOREDEEP; PANNONIAN BASIN; SEA; TRANSITION; CHARACTER; AUSTRIA; ISOTOPE Multiple languages Geosciences, Multidisciplinary Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/18996