Journal ArticleDOI
Palaeoclimatic significance of changes in clay mineralogy across the Jurassic-Cretaceous boundary in England and France
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TLDR
Clay mineralogical changes across the Jurassic-Cretaceous boundary from the northern to the southern part of western Europe show similar patterns in: the mudrocks exposed on the Yorkshire Coast, the paralic sediments of the Dorset Wessex Basin, and the Jura and Vocontian Trough of S.E. France.About:
This article is published in Palaeogeography, Palaeoclimatology, Palaeoecology.The article was published on 1991-01-01. It has received 159 citations till now. The article focuses on the topics: Illite & Diachronous.read more
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The evidence and implications of polar ice during the Mesozoic
TL;DR: The evidence for glacial conditions includes abraded rock surfaces, generally unsorted stone-rich beds and the presence of dropstones rafted by ice within a finer-grained host sediment as discussed by the authors.
Journal ArticleDOI
Early Cretaceous life, climate and anoxia
TL;DR: Early Cretaceous life and the environment were strongly influenced by the accelerated break up of Pangaea, which was associated with the formation of a multitude of rift basins, intensified spreading, and important volcanic activity on land and in the sea as discussed by the authors.
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Late Jurassic to earliest Cretaceous palaeoclimatic evolution of the southern North Sea
TL;DR: In this paper, a Callovian-Early Ryazanian palaeoclimatic curve for the southern North Sea region has been established using data from five wells from the southern Central Graben (offshore, The Netherlands) and from two wells and an outcrop section from East Anglia (onshore, UK).
Journal ArticleDOI
Distribution of clay minerals in Early Jurassic Peritethyan seas: Palaeoclimatic significance inferred from multiproxy comparisons
Guillaume Dera,Pierre Pellenard,Pascal Neige,Jean-François Deconinck,Emmanuelle Pucéat,Jean-Louis Dommergues +5 more
TL;DR: In this paper, a set of published, unpublished, and new clay mineral data from 60 European and Mediterranean localities allows us to test the reliability of clay minerals as palaeoclimatic proxies for the Pliensbachian-Toarcian period (Early Jurassic) by reconstructing spatial and temporal variations of detrital fluxes at the ammonite biochronozone resolution.
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Faunal turnover of marine tetrapods during the Jurassic-Cretaceous transition.
TL;DR: The observation of discordant extinction patterns in other marine tetrapod groups such as ichthyosaurs and marine crocodylomorphs suggests that clade‐specific factors may have been more important than overarching extrinsic drivers of faunal turnover during the Jurassic–Cretaceous boundary interval.
References
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Chronology of fluctuating sea levels since the triassic.
TL;DR: An effort has been made to develop a realistic and accurate time scale and widely applicablechronostratigraphy and to integrate depositional sequences documented in public domain outcrop sections from various basins with this chronostratigraphic framework.
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Mechanism of burial metamorphism of argillaceous sediment: 1. Mineralogical and chemical evidence
TL;DR: In this paper, a detailed mineralogical and chemical investigation of shale cuttings from a well (Case Western Reserve University Gulf Coast 6) in Oligocene-Miocene sediment of the Gulf Coast of the United States was made by x-ray diffraction.
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Rainfall patterns and the distribution of coals and evaporites in the Mesozoic and Cenozoic
TL;DR: In this article, a more realistic map of the distribution of rainfall through time is presented, based on maps of atmospheric circulation that have been successfully used to predict the distributions of some petroleum source beds and phosphorites.
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Tectonics of the Tethysides: Orogenic Collage Development in a Collisional Setting
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Pangaean climates: Megamonsoons of the megacontinent
John E. Kutzbach,R. G. Gallimore +1 more
TL;DR: In this paper, a low-resolution atmospheric general circulation model that is coupled to a static mixed layer ocean of constant depth is explored using a highly idealized geographic representation of the megacontinent of Pangaea, corresponding to the period 250-200 m.y.
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