Výsledky vyhledávání - "Markus Wilmsen"

Akademický článek

Dimorphism in Late Cretaceous ammonites— evidence from early Turonian ammonite faunas of the Brießnitz Formation in Saxony, Germany

Autor: CONSTANZE WONDREJZ, EMAD NAGM, MARKUS WILMSEN

Publikováno v: Acta Palaeontologica Polonica, Vol 68, Iss 4, Pp 639-657 (2023)

Systematic palaeontological and biometric-statistical analyses (classical clustering and linear discriminant analysis) of statistically significant populations of three early Turonian ammonite species from offshore marls of the Brießnitz Formation

Externí odkaz: https://doaj.org/article/2612ba6bee9b4a29881ae60272d4e7ab

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Akademický článek

Palaeobiology and evolutionary context of Angulithes mermeti, a streamlined early Late Cretaceous shallow-water nautiloid

Autor: Markus Wilmsen, Emad Nagm

Publikováno v: Acta Palaeontologica Polonica, Vol 64, Iss 4, Pp 831-849 (2019)

Cretaceous nautiloids are commonly characterized by inflated shells and prolonged stratigraphic ranges. In the Albian, the species of Angulithes appeared and compressed, short-lived forms with narrow venters emerged during the Cenomanian age. Based o

Externí odkaz: https://doaj.org/article/b31efc247b414753bcc8e4bd6a54b06b

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Akademický článek

Revisiting Glauconite Geochronology: Lessons Learned from In Situ Radiometric Dating of a Glauconite-Rich Cretaceous Shelfal Sequence

Autor: Esther Scheiblhofer, Ulrike Moser, Stefan Lӧhr, Markus Wilmsen, Juraj Farkaš, Daniela Gallhofer, Alice Matsdotter Bäckström, Thomas Zack, Andre Baldermann

Publikováno v: Minerals, Vol 12, Iss 7, p 818 (2022)

The scarcity of well-preserved and directly dateable sedimentary sequences is a major impediment to inferring the Earth’s paleo-environmental evolution. The authigenic mineral glauconite can potentially provide absolute stratigraphic ages for sedim

Externí odkaz: https://doaj.org/article/63ba93590b6c449d85e3b99ecb8b6205

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Akademický článek

The Wunstorf Drilling Project: Coring a Global Stratigraphic Reference Section of the Oceanic Anoxic Event 2

Autor: Markus Wilmsen, Jörg Mutterlose, Jochen Erbacher, the Wunstorf Drilling Scientific Party, Thomas Wonik

Publikováno v: Scientific Drilling, Iss 4, Pp 19-21 (2007)

The Wunstorf drilling project aims at establishing a high resolution stable isotope record for the black shale succession (OAE 2) of the CTBI and developing this into a globally applicable high resolutionbio- and chemostratigraphic reference section.

Externí odkaz: https://doaj.org/article/61036b5aed5f43119944b13e423c7997

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Akademický článek

POROSPHAERA (PORIFERA), A GLOBULAR SPONGE FROM THE UPPER JURASSIC OF THE CENTRAL IRAN

Autor: BABA SENOWBARI-DARYAN, FRANZ T. FÜRSICH, MARKUS WILMSEN

Publikováno v: Rivista Italiana di Paleontologia e Stratigrafia, Vol 117, Iss 3 (2011)

Porosphaera, an abundant small spherical calcisponge, well known from Cretaceous strata of Europe, was found in Middle and Upper Jurassic deposits of east-central Iran. This is the first record of Porosphaera from the Jurassic, except for a questiona

Externí odkaz: https://doaj.org/article/df755c351bb145839d052da72619cc9f

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Akademický článek

UPPER TRIASSIC (NORIAN) CEPHALOPODS FROM THE EKRASAR FORMATION (SHEMSHAK GROUP) OF NORTHERN ALBORZ, IRAN

Autor: KAZEM SEYED-EMAMI, FRANZ THEODOR FÜRSICH, MARKUS WILMSEN, MAHMOUD REZA MAJIDIFARD, ALI SHEKARIFARD

Publikováno v: Rivista Italiana di Paleontologia e Stratigrafia, Vol 115, Iss 2 (2009)

The following ammonoid and nautiloid taxa are described for the first time from the Upper Triassic succession (Ekrasar Formation, Shemshak Group) of northern Alborz, Iran: Arcestes sp., Arcestes (Pararcestes?) sp., Thisbites cf. agricolae Mojsisovics

Externí odkaz: https://doaj.org/article/3e6ad1cbb67d47cf8cc7e3176514845d

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Akademický článek

DOCUMENTATION AND SIGNIFICANCE OF TECTONIC EVENTS IN THE NORTHERN TABAS BLOCK (EAST-CENTRAL IRAN) DURING THE MIDDLE AND LATE JURASSIC

Autor: KAZEM SEYED-EMAMI, FRANZ T. FÜRSICH, MARKUS WILMSEN

Publikováno v: Rivista Italiana di Paleontologia e Stratigrafia, Vol 110, Iss 1 (2004)

Apart from global sea-level fluctuations, the sedimentary pattern of the northern Tabas Block during the Middle and Late Jurassic was mainly governed by tectonic events of varying intensity and areal extent. These events took place during the Middle

Externí odkaz: https://doaj.org/article/635322dea2b848c3a21e6c79ee58b60d

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