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Itzurun Formation

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Geologic map of the Upper Cretaceous - Lower Eocene outcrops in the Zumaia ...
Published: 01 June 2014
Fig. 1 Geologic map of the Upper Cretaceous - Lower Eocene outcrops in the Zumaia area and schematic Paleocene paleogeographic map of western Europe [from Schmitz et al. , 2011 ] I: Zumaia-Algorri Formation (Middle-Late Maastrichtian); II: Aitzgorri Limestone Formation (Danian); III: Itzurun
Journal Article
Published: 01 June 2014
Bulletin de la Société Géologique de France (2014) 185 (6): 413–435.
...Fig. 1 Geologic map of the Upper Cretaceous - Lower Eocene outcrops in the Zumaia area and schematic Paleocene paleogeographic map of western Europe [from Schmitz et al. , 2011 ] I: Zumaia-Algorri Formation (Middle-Late Maastrichtian); II: Aitzgorri Limestone Formation (Danian); III: Itzurun...
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Journal Article
Published: 03 May 2019
Geological Magazine (2019) 156 (12): 1982–2000.
... represented by 165 m thick hemipelagic deposits (Schmitz et al . 2011 ). The palaeogeographical position of the section is in the Bay of Biscay, in the Atlantic realm ( Fig. 1d ). The section spans the upper part of the Danian Aitzgorri Limestone Formation and the lower part of the Selandian Itzurun...
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Journal Article
Journal: PALAIOS
Published: 01 May 2009
PALAIOS (2009) 24 (5): 318–328.
...–early Paleogene ( Baceta, 1996 ; Pujalte et al., 1998 ). The studied interval encompasses the uppermost 3 m of the Paleocene (Itzurun Formation; see Baceta et al., 2004 ) and the lowermost 7 m of the Eocene (Eocene Flysch); samples are spaced at 5–10 cm intervals in the lowermost 60 cm of the Eocene...
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Journal Article
Published: 01 April 2015
Russ. Geol. Geophys. (2015) 56 (4): 524–531.
... of the important calcareous nannofossil group, fasciculiths” ( Schmitz et al., 2011 , p. 220), which is established in a range slightly exceeding 1 m. In fact, the GSSP is merely the base of the marl Itzurun Formation; that is, a lithological event indicative of the replacement of carbonate sedimentation...
FIGURES
Journal Article
Published: 01 December 2009
Journal of the Geological Society (2009) 166 (6): 1135–1142.
... of the biostratigraphy has been given by Steurbaut & Sztraikos (2008 ) and Sprong et al . (2009 ). The Danian and Selandian stages are represented by the upper part of the Dakhla Formation, which is made up of monotonous brownish to grey marls and shales deposited on the generally NW-deepening shelf ( Said 1990...
FIGURES
Journal Article
Published: 01 September 2011
Journal of Micropalaeontology (2011) 30 (2): 167–182.
... is dominated by N. duwi in association with shallow-water benthic foraminifera ( Speijer, 2000 , 2003a ). The LDE beds at Gebel Qreiya resemble the organic-rich dark brown layers at the PETM in the Esna Shale Formation ( Speijer, 2000 , 2003a ; Knox et al ., 2003 ), but no extinction of benthic...
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Series: SEPM Concepts in Sedimentology and Paleontology
Published: 01 January 2021
DOI: 10.2110/sepmcsp.14.103
EISBN: 978-1-56576-377-7
... of L. ulii s.s. is the primary criterion for correlation of the base of the Selandian Stage, as defined in the base of the Itzurun Formation at the stratotype section of Zumaia (Schmitz et al., 2011, p. 237; text-fig. 9 ). This biohorizon is recorded in the uppermost Danian, slightly below...
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Series: SEPM Concepts in Sedimentology and Paleontology
Published: 01 January 2021
DOI: 10.2110/sepmcsp.14.175
EISBN: 978-1-56576-377-7
.... kuepperi , H. lodoensis , H. barbadiensi s and H. saipanensis , in stratigraphic order as summarized below. The horizon selected as the GSSP for the Thanetian Stage, and thus the base of the Upper Paleocene, is located ~29 m above the contact between the Aitzgorri and the Itzurun Formations...
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