Biogeochemical significance of pelagic ecosystem function: an end-Cretaceous case study
Pelagic ecosystem function is integral to global biogeochemical cycling, and plays a major
role in modulating atmospheric CO2 concentrations (p CO2). Uncertainty as to the effects of …
role in modulating atmospheric CO2 concentrations (p CO2). Uncertainty as to the effects of …
Thallium isotope ratios in shales from South China and northwestern Canada suggest widespread O2 accumulation in marine bottom waters was an uncommon …
The tempo and magnitude of ocean oxygenation during the rise of animals in the Ediacaran
Period (635 to 539 million years ago, or Ma) is debated. Reconciling this debate is key to …
Period (635 to 539 million years ago, or Ma) is debated. Reconciling this debate is key to …
Late Jurassic–earliest Cretaceous prolonged shelf dysoxic–anoxic event and its possible causes
MA Rogov, EV Shchepetova, VA Zakharov - Geological Magazine, 2020 - cambridge.org
The Late Jurassic–earliest Cretaceous time interval was characterized by a widespread
distribution of dysoxiс–anoxiс environments in temperate-and high-latitude epicontinental …
distribution of dysoxiс–anoxiс environments in temperate-and high-latitude epicontinental …
A Middle–Late Triassic (Ladinian–Rhaetian) carbon and oxygen isotope record from the Tethyan Ocean
We obtained bulk-sediment δ 18 O and δ 13 C data from biostratigraphically-constrained
Tethyan marine sections at Aghia Marina (Greece), Guri Zi (Albania), and Brumano and …
Tethyan marine sections at Aghia Marina (Greece), Guri Zi (Albania), and Brumano and …
Aftermath of the end‐Cretaceous mass extinction: Possible biogeochemical stabilization of the carbon cycle and climate
K Caldeira, MR Rampino - Paleoceanography, 1993 - Wiley Online Library
In the aftermath of the Cretaceous/Tertiary (K/T) boundary event (∼ 65 my ago), pelagic
carbonate productivity was greatly reduced for several hundred thousand years. A decrease …
carbonate productivity was greatly reduced for several hundred thousand years. A decrease …
A new chronology for the end-Triassic mass extinction
MHL Deenen, M Ruhl, NR Bonis, W Krijgsman… - Earth and Planetary …, 2010 - Elsevier
The transition from the Triassic to Jurassic Period, initiating the 'Age of the dinosaurs',
approximately 200Ma, is marked by a profound mass extinction with more than 50% genus …
approximately 200Ma, is marked by a profound mass extinction with more than 50% genus …
Two-pronged kill mechanism at the end-Triassic mass extinction
High-resolution biomarker and compound-specific isotope distributions coupled with the
degradation of calcareous fossil remnants reveal that intensive euxinia and decalcification …
degradation of calcareous fossil remnants reveal that intensive euxinia and decalcification …
Early Hettangian benthic–planktonic coupling at Doniford (SW England): Palaeoenvironmental implications for the aftermath of the end-Triassic crisis
ME Clémence, A Bartolini, S Gardin, G Paris… - Palaeogeography …, 2010 - Elsevier
This paper presents a high-resolution micropalaeontological study, integrated with
geochemical and sedimentological analyses of the Triassic–Jurassic (Tr–J) transition at the …
geochemical and sedimentological analyses of the Triassic–Jurassic (Tr–J) transition at the …
Jurassic shift from abiotic to biotic control on marine ecological success
Environmental change and biotic interactions both govern the evolution of the biosphere, but
the relative importance of these drivers over geological time remains largely unknown …
the relative importance of these drivers over geological time remains largely unknown …