Publications by authors named "Syed F R Khadri"
Article Synopsis
- Temporal correlation between continental flood basalt eruptions and mass extinctions suggests a causal link, where gases from eruptions may harm the environment and lead to extinctions.
- Researchers examined the Deccan Traps flood basalt province in connection with the K-Pg extinction event 66 million years ago, utilizing uranium-lead zircon geochronology to pinpoint eruption rates.
- Results indicated that significant eruption pulses occurred both before and after the extinction event, with one major eruptive phase beginning tens of thousands of years prior to the Chicxulub impact, supporting models that view these simultaneous catastrophic events as contributors to environmental decline and extinction.
The Chicxulub asteroid impact (Mexico) and the eruption of the massive Deccan volcanic province (India) are two proposed causes of the end-Cretaceous mass extinction, which includes the demise of nonavian dinosaurs. Despite widespread acceptance of the impact hypothesis, the lack of a high-resolution eruption timeline for the Deccan basalts has prevented full assessment of their relationship to the mass extinction. Here we apply uranium-lead (U-Pb) zircon geochronology to Deccan rocks and show that the main phase of eruptions initiated ~250,000 years before the Cretaceous-Paleogene boundary and that >1.
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