Biogeochemical constraints on the Triassic‐Jurassic boundary carbon cycle event

  title={Biogeochemical constraints on the Triassic‐Jurassic boundary carbon cycle event},
  author={David J. Beerling and Robert. A. Berner},
  journal={Global Biogeochemical Cycles},
  • D. Beerling, R. Berner
  • Published 1 September 2002
  • Environmental Science, Geography
  • Global Biogeochemical Cycles
The end‐Triassic mass extinctions represent one of the five most severe biotic crises in Earth history, yet remain one of the most enigmatic. Ongoing debate concerns the environmental effects of the Central Atlantic Magmatic Province (CAMP) eruptions and their linkage with the mass extinction event across the Triassic‐Jurassic boundary. There is conflicting paleo‐evidence for changes in atmospheric pCO2 during the extrusion of the CAMP basalts. Studies on sediments from European and Pacific… 

Catastrophic ocean acidification at the Triassic-Jurassic boundary

Palaeobotanical and geochemical evidence indicate a sudden rise in atmospheric carbon dioxide (CO2) across the Triassic-Jurassic boundary, probably reflecting the combined effect of extensive

Terrestrial Impacts of the Central Atlantic Magmatic Province on western Pangea

  • T. Knobbe
  • Environmental Science, Geography
  • 2015
Earth’s climate is predominantly controlled by the fluctuation of greenhouse gases, specifically CO2 and CH4, over geologic time. The late Triassic is a period of abrupt climate change that has been

Carbon cycle changes during the Triassic-Jurassic transition

  • M. Ruhl
  • Environmental Science, Geography
  • 2006
The end-Triassic is regarded as one of the five major mass extinction events of the Phanerozoic. This time interval is marked by up to 50% of marine biodiversity loss and major changes in terrestrial

Modelling the impact of pulsed CAMP volcanism on pCO2 and δ13C across the Triassic–Jurassic transition

Abstract A sharp negative δ13C excursion coincides with the end-Triassic mass extinction. This is followed by a protracted interval of 13C enrichment. These isotopic events occurred simultaneously

Carbon cycle perturbation and stabilization in the wake of the Triassic‐Jurassic boundary mass‐extinction event

The Triassic‐Jurassic boundary mass‐extinction event (T‐J; 199.6 Ma) is associated with major perturbations in the carbon cycle recorded in stable carbon isotopes. Two rapid negative isotope

Additive effects of acidification and mineralogy on calcium isotopes in Triassic/Jurassic boundary limestones

The end‐Triassic mass extinction coincided with a negative δ13C excursion, consistent with release of 13C‐depleted CO2 from the Central Atlantic Magmatic Province. However, the amount of carbon

Multiple phases of carbon cycle disturbance from large igneous province formation at the Triassic-Jurassic transition

The end-Triassic mass extinction (ca. 201.4 Ma) coincided with a major carbon cycle perturbation, based on an ∼5‰−6‰ negative excursion in δ 13 C TOC (total organic carbon) records. Both events



Stability of atmospheric CO2 levels across the Triassic/Jurassic boundary

The relative stability of atmospheric CO2 across this boundary suggests that environmental degradation and extinctions during the Early Jurassic were not caused by volcanic outgassing of CO2, and other volcanic effects—such as the release of atmospheric aerosols or tectonically driven sea-level change—may have been responsible for this event.

Terrestrial and marine extinction at the Triassic-Jurassic boundary synchronized with major carbon-cycle perturbation: A link to initiation of massive volcanism?

Mass extinction at the Triassic-Jurassic (Tr-J) boundary occurred about the same time (200 Ma) as one of the largest volcanic eruptive events known, that which characterized the Central Atlantic

Palaeoclimatology (Communication arising): CO2 and the end-Triassic mass extinction

An isotopic study of Mesozoic fossil soils suggests that the atmospheric concentration of carbon dioxide across the Triassic–Jurassic boundary was relatively constant, but this is inconsistent with high-resolution evidence from the stomatal characters of fossil leaves, which suggest the linkage between pCO2, global warming and the end-Triassic mass extinction remains intact.

Carbon cycling and chronology of climate warming during the Palaeocene/Eocene transition

Current models of the global carbon cycle lack natural mechanisms to explain known large, transient shifts in past records of the stable carbon-isotope ratio (δ13C) of carbon reservoirs. The

Methane oxidation during the late Palaeocene thermal maximum

Carbon isotope records across the Latest Palaeocene Thermal Maximum (LPTM) display by a remarkable delta 13 C excursion of at least -2.5 per mil that occurred within 10X10 3 yrs. Thermal dissociation

Massive dissociation of gas hydrate during a Jurassic oceanic anoxic event

Carbon-isotope analyses of fossil wood demonstrate that isotopically light carbon dominated all the upper oceanic, biospheric and atmospheric carbon reservoirs, and that this occurred despite the enhanced burial of organic carbon.

New geochemical evidence for the onset of volcanism in the Central Atlantic magmatic province and environmental change at the Triassic-Jurassic boundary

The Late Triassic–Early Jurassic was a time of major global change; however, the fundamental processes driving these changes are less than clear. We have determined the Re and Os abundances, and Os

Carbon isotope anomaly and other geochemical changes at the Triassic-Jurassic boundary from a marine section in Hungary

Most mass extinctions are linked with carbon isotope excursions, implying that biotic crises are coupled with changes in the global carbon cycle. The isotopic evolution during the end-Triassic

Dating the end-Triassic and Early Jurassic mass extinctions, correlative large igneous provinces, and isotopic events

The end-Triassic marks one of the five biggest mass extinctions, and was followed by a well-known second-order extinction event in the Early Jurassic. Previously published geological time scales were

New chronology for the late Paleocene thermal maximum and its environmental implications

The late Paleocene thermal maximum (LPTM) is associated with a brief, but intense, interval of global warming and a massive perturbation of the global carbon cycle. We have developed a new orbital