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The Late Campanian and Maastrichtian in northwestern Tunisia: palaeoenvironmental inferences from lithology, macrofauna and benthic foraminifera
- L. Li, G. Keller, W. Stinnesbeck
- Geology
- 1 April 1999
Late Campanian through Maastrichtian sea-level changes are examined based on lithology, macrofossils and benthic foraminifera at the Elles and El Kef sections in Tunisia. Six major sea-level… Expand
Age and paleoenvironment of the Maastrichtian to Paleocene of the Mahajanga Basin, Madagascar: a multidisciplinary approach
- S. Abramovich, G. Keller, +6 authors A. Randriamanantenasoa
- Geology
- 2003
Abstract Lithology, geochemistry, stable isotopes and integrated high-resolution biostratigraphy of the Berivotra and Amboanio sections provide new insights into the age, faunal turnovers, climate,… Expand
Late Cretaceous to early Paleocene climate and sea-level fluctuations: the Tunisian record
- T. Adatte, G. Keller, W. Stinnesbeck
- Geology
- 28 February 2002
Abstract Climate and sea-level fluctuations across the Cretaceous–Tertiary (K–T) transition in Tunisia were examined based on bulk rock and clay mineralogies, biostratigraphy and lithology in five… Expand
Yucatán subsurface stratigraphy: Implications and constraints for the Chicxulub impact
- W. Ward, G. Keller, W. Stinnesbeck, T. Adatte
- Geology
- 1 October 1995
Much of the discussion about the effects of an end-of-Cretaceous impact by a large extraterrestrial body in northwestern Yucatan has been done in the context of limited and partly erroneous published… Expand
Maastrichtian to Paleocene depositional environment of the Dakhla Formation, Western Desert, Egypt: sedimentology, mineralogy, and integrated micro- and macrofossil biostratigraphies
- A. Tantawy, G. Keller, T. Adatte, W. Stinnesbeck, A. Kassab, P. Schulte
- Geology
- 1 December 2001
Abstract Integrated sedimentology, mineralogy, geochemistry, and microfossil and macrofossil biostratigraphies of the Maastrichtian–early Paleocene Dakhla Formation of the Western Desert, Egypt,… Expand
Chicxulub impact predates the K-T boundary mass extinction.
- G. Keller, T. Adatte, +4 authors D. Stueben
- Geology, Medicine
- Proceedings of the National Academy of Sciences…
- 16 March 2004
Since the early l990s the Chicxulub crater on Yucatan, Mexico, has been hailed as the smoking gun that proves the hypothesis that an asteroid killed the dinosaurs and caused the mass extinction of… Expand
Aristonectes quiriquinensis, sp. nov., A New Highly Derived Elasmosaurid from the Upper Maastrichtian of Central Chile
- Rodrigo A. Otero, S. Soto-Acuña, +6 authors Luis Arturo Quinzio-Sinn
- Biology
- 1 January 2014
ABSTRACT
This paper describes a new species of elasmosaurid plesiosaur, Aristonectes quiriquinensis, sp. nov., based on a partial skeleton recovered from upper Maastrichtian beds of the Quiriquina… Expand
A new lithographic limestone deposit in the Upper Cretaceous Austin Group at El Rosario, county of Múzquiz, Coahuila, northeastern Mexico
- W. Stinnesbeck, C. Ifrim, +8 authors A. G. González
- Geology
- 2005
At El Rosario, 170 km WNW of Muzquiz in northern Coahuila, Mexico, alternating evenly layered platy limestone and fi ssile marly limestone of late Turonian-early Coniacian age (Late Cretaceous)… Expand
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Multiple impacts across the Cretaceous–Tertiary boundary
- G. Keller, W. Stinnesbeck, T. Adatte, D. Stueben
- Geology
- 1 September 2003
Abstract The stratigraphy and age of altered impact glass (microtektites, microkrystites) ejecta layers from the Chicxulub crater are documented in Late Maastrichtian and Early Danian sediments in… Expand
High stress late Maastrichtian – early Danian palaeoenvironment in the Neuquén Basin, Argentina
Abstract During the late Maastrichtian to early Danian the Neuquen Basin of Argentina was adjacent to an active volcanic arc to the west and an extensive land area to the northeast. Mineralogical and… Expand