U-Pb constraints on pulsed eruption of the Deccan Traps across the end-Cretaceous mass extinction

  title={U-Pb constraints on pulsed eruption of the Deccan Traps across the end-Cretaceous mass extinction},
  author={Blair Schoene and Michael P. Eddy and Kyle M. Samperton and C. Brenhin Keller and Gerta Keller and Thierry Adatte and Syed F.R. Khadri},
  pages={862 - 866}
Two timelines for extinction The Cretaceous-Paleogene extinction that wiped out the nonavian dinosaurs 66 million years ago was correlated with two extreme events: The Chicxulub impact occurred at roughly the same time that massive amounts of lava were erupting from the Deccan Traps (see the Perspective by Burgess). Sprain et al. used argon-argon dating of the volcanic ash from the Deccan Traps to argue that a steady eruption of the flood basalts mostly occurred after the Chicxulub impact… 
An evaluation of Deccan Traps eruption rates using geochronologic data
Abstract. Recent attempts to establish the eruptive history of the Deccan Traps large igneous province have used both U−Pb (Schoene et al., 2019) and 40Ar/39Ar (Sprain et al., 2019) geochronology.
An evaluation of Deccan Traps eruption rates using geochronologic data
Abstract. Recent attempts to establish the eruptive history of the Deccan Traps large igneous province have used both U-Pb (Schoene et al., 2019) and 40Ar/39Ar (Sprain et al., 2019) geochronology.
Reappraisal of Duration and Eruptive Rates in Deccan Volcanic Province, India
Rapidly expanding geochronological, paleomagnetic and volcanological data of the Deccan Volcanic Province (DVP) has given new insights to the expansive knowledge on it that had been built up through
No Cretaceous‐Paleogene Boundary in Exposed Rajahmundry Traps: A Refined Chronology of the Longest Deccan Lava Flows From 40Ar/39Ar Dates, Magnetostratigraphy, and Biostratigraphy
Deccan Traps flood basalt volcanism affected ecosystems spanning the end‐Cretaceous mass extinction, with the most significant environmental effects hypothesized to be a consequence of the largest
On impact and volcanism across the Cretaceous-Paleogene boundary
Carbon cycle modeling and paleotemperature records are used to constrain the timing of volcanogenic outgassing and found support for major out gassing beginning and ending distinctly before the impact, with only the impact coinciding with mass extinction and biologically amplified carbon cycle change.


U-Pb geochronology of the Deccan Traps and relation to the end-Cretaceous mass extinction
U-Pb zircon geochronology is applied to Deccan rocks and it is shown that the main phase of eruptions initiated ~250,000 years before the Cretaceous-Paleogene boundary and that >1.1 million cubic kilometers of basalt erupted in ~750,000 Years.
Triggering of the largest Deccan eruptions by the Chicxulub impact
New constraints on the timing of the Cretaceous-Paleogene mass extinction and the Chicxulub impact, together with a particularly voluminous and apparently brief eruptive pulse toward the end of the
State shift in Deccan volcanism at the Cretaceous-Paleogene boundary, possibly induced by impact
High-precision dating of Deccan Traps volcanic units suggests an increase in volcanism associated with the Chicxulub impact, which suggests postextinction recovery of marine ecosystems was probably suppressed until after the accelerated volcanism waned.
Time Scales of Critical Events Around the Cretaceous-Paleogene Boundary
Radiometric dating establishes the mass extinction that killed the dinosaurs as synchronous with a large asteroid impact between the Cretaceous-Paleogene boundary and associated mass extinctions with the Chicxulub bolide impact to within 32,000 years.
End-Triassic mass extinction started by intrusive CAMP activity
New high-precision U-Pb ages from CAMP mafic intrusive units are presented, showing that magmatic activity was occurring ∼100 million years ago before the earliest known eruptions, and indicating that the intrusive record from large igneous provinces may be more important for linking to mass extinctions than the eruptive record.
A new high-resolution chronology for the late Maastrichtian warming event: Establishing robust temporal links with the onset of Deccan volcanism
The late Maastrichtian warming event was defined by a global temperature increase of ∼2.5–5 °C that occurred ∼150–300 k.y. before the Cretaceous-Paleogene (K-Pg) mass extinction. This transient
Stratigraphy, structure and volcanology of the SE Deccan continental flood basalt province: implications for eruptive extent and volumes
The Deccan Volcanic Province is one of the world's largest continental flood basalt provinces, and derives additional importance because its eruptions (64–67 Ma) straddle the Cretaceous–Tertiary
High-precision geochronology confirms voluminous magmatism before, during, and after Earth’s most severe extinction
New U/Pb dates on Siberian Traps LIP lava flows, sills, and explosively erupted rocks indicate that about two-thirds of the total lava/pyroclastic volume was erupted over ~300 ky, before and concurrent with the end-Permian mass extinction, suggesting a role for magmatism in suppression of post-extinction biotic recovery.
Determination of rapid Deccan eruptions across the Cretaceous‐Tertiary boundary using paleomagnetic secular variation: Results from a 1200‐m‐thick section in the Mahabaleshwar escarpment
[1] Flow-by-flow reanalysis of paleomagnetic directions in two sections of the Mahabaleshwar escarpment, coupled with analysis of intertrappean alteration levels shows that volcanism spanned a much