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CALCAREOUS NANNOFOSSIL BIOSTRATIGRAPHY OF THE GRUND FORMATION (MOLASSE ZONE, LOWER AUSTRIA)

• Geologica Carpathica
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• Volume 55 No.2 / April 2004

Published: Apr 2004

Pages: 147 - 153

Authors: STJEPAN CORIC, LILIAN SVABENICKA

Abstract: The calcareous nannoplankton was studied in samples from the Grund Formation type locality (sections B, F, G and H). Samples from Grund-Windmühlberg (W1–W4) were further collected and investigated. The nannofossil assemblages are characterized by biostratigraphically important Helicosphaera waltrans, H. walbersdorfensis and the rare occurrence of discoasterids. Although the marker species Sphenolithus heteromorphus is absent in all samples, the composition of nannofossils enables specification of these deposits as Biozone NN5 of Martini (Lower Badenian). Regular presence of H. waltrans, which is usually limited to a short stratigraphic interval within nannoplankton Zone NN5, enables attribution of these sediments to the Helicosphaera waltrans Horizon (Svabenicka 2002).

Keywords: Badenian, Austria, Molasse Basin, Grund Formation, calcareous nannofossils, NN5 Nannoplankton Zone

Volume 55 no. 2 / April 2004

• REINHARD ROETZEL, PETER PERVESLER

  STORM-INDUCED EVENT DEPOSITS IN THE TYPE AREA OF THE GRUND FORMATION (MIDDLE MIOCENE, LOWER BADENIAN) IN THE MOLASSE ZONE OF LOWER AUSTRIA

• PETER PERVESLER, ALFRED UCHMAN

  ICHNOFOSSILS FROM THE TYPE AREA OF THE GRUND FORMATION (MIOCENE, LOWER BADENIAN) IN NORTHERN LOWER AUSTRIA (MOLASSE BASIN)

• PETER PERVESLER, MARTIN ZUSCHIN

  A LUCINOID BIVALVE TRACE FOSSIL SARONICHNUS ABELI IGEN. ET ISP. NOV. FROM THE MIOCENE MOLASSE DEPOSITS OF LOWER AUSTRIA, AND ITS ENVIRONMENTAL SIGNIFICANCE

• MARTIN ZUSCHIN, MATHIAS HARZHAUSER, OLEG MANDIC

  TAPHONOMY AND PALEOECOLOGY OF THE LOWER BADENIAN (MIDDLE MIOCENE) MOLLUSCAN ASSEMBLAGES AT GRUND (LOWER AUSTRIA)

• OLEG MANDIC

  PECTINID BIVALVES FROM THE GRUND FORMATION (LOWER BADENIAN, MIDDLE MIOCENE, ALPINE-CARPATHIAN FOREDEEP) — TAXONOMIC REVISION AND STRATIGRAPHIC SIGNIFICANCE

• STJEPAN CORIC, LILIAN SVABENICKA

  CALCAREOUS NANNOFOSSIL BIOSTRATIGRAPHY OF THE GRUND FORMATION (MOLASSE ZONE, LOWER AUSTRIA)

• SILVIA SPEZZAFERRI

  FORAMINIFERAL PALEOECOLOGY AND BIOSTRATIGRAPHY OF THE GRUND FORMATION (MOLASSE BASIN, LOWER AUSTRIA)

• STJEPAN CORIC, FRED ROGL

  ROGGENDORF-1 BOREHOLE, A KEY-SECTION FOR LOWER BADENIAN TRANSGRESSIONS AND THE STRATIGRAPHIC POSITION OF THE GRUND FORMATION (MOLASSE BASIN, LOWER AUSTRIA)

• IRENE ZORN

  OSTRACODA FROM THE LOWER BADENIAN (MIDDLE MIOCENE) GRUND FORMATION (MOLASSE BASIN, LOWER AUSTRIA)

• GUDRUN DAXNER-HOCK, PETRA M. MIKLAS-TEMPFER, URSULA B. GOHLICH, KATI HUTTUNEN, EMESE KAZAR, DORIS NAGEL, GERTRUD E. ROESSNER, ORTWIN SCHULTZ, REINHARD ZIEGLER

  MARINE AND TERRESTRIAL VERTEBRATES FROM THE MIDDLE MIOCENE OF GRUND (LOWER AUSTRIA)

• ROBERT SCHOLGER, KARL STINGL

  NEW PALEOMAGNETIC RESULTS FROM THE MIDDLE MIOCENE (KARPATIAN AND BADENIAN) IN NORTHERN AUSTRIA

• STJEPAN CORIC, MATHIAS HARZHAUSER, JOHANN HOHENEGGER, OLEG MANDIC, PETER PERVESLER, REINHARD ROETZEL, FRED ROGL, ROBERT SCHOLGER, SILVIA SPEZZAFERRI, KARL STINGL, LILIAN SVABENICKA, IRENE ZORN, MARTIN ZUSCHIN

  STRATIGRAPHY AND CORRELATION OF THE GRUND FORMATION IN THE MOLASSE BASIN, NORTHEASTERN AUSTRIA (MIDDLE MIOCENE, LOWER BADENIAN)