The base of the Maastrichtian [PDF]
Bulletin of the Geological Society of Denmark, 2000 At the Brussels Symposium on Cretaceous Stage Boundaries in 1995, the Maastrichtian Working Group decided to recommend the first occurrence of the ammonite Pachydiscus neubergicus in the Tercis quarry near Dax in the Landes, southwest France as the boundary stratotype for the base of the Maastrichtian stage.
Walter Kegel Christensen +2 more
core +4 more sources
Maastrichtian stratigraphy of Antarctica
Cretaceous Research, 2004 Abstract Application of a strontium isotope stratigraphy to the Late Cretaceous sedimentary succession of Antarctica has provided the impetus for a comprehensive stratigraphical revision of the terminal Maastrichtian Stage. Both the base and top of the stage have been defined by strontium isotope dates, and a series of inter-island correlations ...
Crame, J.A. +3 more
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Tectonic forcings of Maastrichtian ocean‐climate evolution [PDF]
Paleoceanography, 1999 A global compilation of deep‐sea isotopic records suggests that Maastrichtian ocean‐climate evolution was technically driven. During the early Maastrichtian the Atlantic intermediate‐deep ocean was isolated from the Pacific, Indian, and Southern Oceans; deep water formed in the high‐latitude North Atlantic and North Pacific.
Frank, T. D., Arthur, M. A.
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Astronomical calibration of the Maastrichtian (Late Cretaceous)
Earth and Planetary Science Letters, 2011 Abstract Recent improvements to astronomical modeling of the Solar System have contributed to important refinements of the Cenozoic time scale through astronomical calibration of sedimentary series. We extend this astronomical calibration into the Cretaceous, on the base of the 405 ka orbital eccentricity variation thanks to the recovery of well ...
Husson, Dorothée +6 more
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Deep water in the late Maastrichtian ocean [PDF]
Paleoceanography, 2002 Stable isotopic data from benthic foraminifera indicate the occurrence of at least three deepwater masses in the late Maastrichtian ocean. Given mean oceanic δ18Ow of −1.0‰, the temperature of the coolest intermediate‐depth waters was 5°–7°C, that of the deepest waters was 10°C, and that of the warmest intermediate waters was 13°–15°C.
D'Hondt, Steven, Arthur, Michael A.
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The benthic foraminiferal response to the mid-Maastrichtian event in the Maastrichtian-type area [PDF]
Netherlands Journal of Geosciences, 2021 <p>The mid-Maastrichtian event (MME), ~69 Ma, represents a global negative &#948;<sup>13</sup>C excursion which is linked to the extinction of inoceramid bivalves and latitudinal migration of planktonic foraminifera.
Iris Vancoppenolle +7 more
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Maastrichtian ammonites from Balochistan, Pakistan
Journal of Paleontology, 1999 Maastrichtian ammonites are described from two areas in Pakistan. The upper part of the lower unit of the Korara Shale in the southern Pab Range, Kirthar Province, southern Balochistan, is dated as Late Maastrichtian, based on the presence ofMenuites fresvillensis(Seunes, 1890), which is accompanied by abundantIndoceras baluchistanenseNoetling, 1897 ...
Fatmi, A, Kennedy, W
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Serratolamna serrata (Agassiz) (Pisces, Neoselachii) from the Maastrichtian (Late Cretaceous) of Jamaica [PDF]
Three teeth of the shark Serratolamna serrata (Agassiz) from the Guinea Corn Formation (Central Inlier) represent the first recorded occurrence of fossil sharks within the Cretaceous of Jamaica.
Underwood, Charlie J., Mitchell, S.F.
core +7 more sources
The Osmium Isotope Signature of Phanerozoic Large Igneous Provinces
Geophysical Monograph Series, Page 229-246., 2021 Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Alexander J. Dickson +2 more
wiley +4 more sources
Widespread complex enameloid microstructure in teeth and rostral denticles of Cretaceous sclerorhynchoid skates (Rajiformes: †Sclerorhynchoidei). [PDF]
J AnatThis article demonstrates that the teeth and rostral denticles of an extinct clade of sawfish‐like skates display an extremely derived enameloid microstructure, similar to what is known among sharks. The presence of tooth‐like enameloid microstructure in dermal denticles opens new perspectives about the origins and development of chondrichthyan ...
Chateauneuf-Gautier E, Guinot G.
europepmc +2 more sources