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Biome responses to a hydroclimatic crisis in an early cretaceous (Barremian–Aptian) subtropical inland lake ecosystem, Northwest China
Abstract The Early Cretaceous palaeoclimate was characterized by arid–humid alternation
and accompanied by a series of short-term extreme environmental events, resulting in …
and accompanied by a series of short-term extreme environmental events, resulting in …
Astrochronology of the Aptian stage and evidence for the chaotic orbital motion of Mercury
The Aptian stage, between∼ 113 and∼ 121 million years ago (Ma), was punctuated by a
succession of Oceanic Anoxic Events (OAEs), recording extreme global warmings, dramatic …
succession of Oceanic Anoxic Events (OAEs), recording extreme global warmings, dramatic …
The early Cretaceous was cold but punctuated by warm snaps resulting from episodic volcanism
The Cretaceous is characterized as a greenhouse climate from elevated atmospheric
carbon dioxide concentrations, transgressive seas, and temperate ecosystems at polar …
carbon dioxide concentrations, transgressive seas, and temperate ecosystems at polar …
Cretaceous large igneous provinces: From volcanic formation to environmental catastrophes and biological crises
Abstract The Cretaceous Period was marked by the formation of numerous large igneous
provinces (LIPs), several of which were associated with geologically rapid climate …
provinces (LIPs), several of which were associated with geologically rapid climate …
Fossil‐Bearing Concretions of the Araripe Basin Accumulated During Oceanic Anoxic Event 1b
Abstract Fossils from the Araripe Basin (northeastern Brazil) are known for their remarkable
preservation of vertebrates and invertebrates, even including soft tissues. They occur in …
preservation of vertebrates and invertebrates, even including soft tissues. They occur in …
Orbital tuning of short reversed geomagnetic polarity intervals in the cretaceous Normal Polarity Superchron
Abstract While the Cretaceous Normal Polarity Superchron has documented instances of
brief reversed polarity intervals, the absence of accurate age determinations for such abrupt …
brief reversed polarity intervals, the absence of accurate age determinations for such abrupt …
Strontium isotope stratigraphy of the Cretaceous
Strontium isotope stratigraphy of the Cretaceous Page 1 Strontium isotope stratigraphy of the
Cretaceous John M. McArthur* and Richard J. Howarth Earth Sciences, University College …
Cretaceous John M. McArthur* and Richard J. Howarth Earth Sciences, University College …
Revised onset age of magnetochron M0r: Chronostratigraphic and geologic implications
The timing of the onset of magnetochron M0r and its duration are disputed, reflecting both a
limited set of radioisotopic dates and uncertain magnetostratigraphic correlations. We …
limited set of radioisotopic dates and uncertain magnetostratigraphic correlations. We …
Radioisotopic chronology of Ocean Anoxic Event 1a: Framework for analysis of driving mechanisms
The timing, tempo, and causative mechanisms of Ocean Anoxic Event 1a (OAE1a), one of
several such abrupt perturbations of the Mesozoic global carbon cycle, remain uncertain …
several such abrupt perturbations of the Mesozoic global carbon cycle, remain uncertain …
Dinosaur biostratigraphy of the non-marine Cretaceous of Utah
Over the past 30 years, exploration of the terrestrial Mesozoic section in Utah has resulted in
a more than five-fold increase in the known species of dinosaurs. A highly resolved temporal …
a more than five-fold increase in the known species of dinosaurs. A highly resolved temporal …