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The Chicxulub asteroid impact and mass extinction at the Cretaceous-Paleogene boundary
The Cretaceous-Paleogene boundary~ 65.5 million years ago marks one of the three largest
mass extinctions in the past 500 million years. The extinction event coincided with a large …
mass extinctions in the past 500 million years. The extinction event coincided with a large …
[HTML][HTML] Submarine fans: a critical retrospective (1950–2015)
G Shanmugam - Journal of Palaeogeography, 2016 - Elsevier
When we look back the contributions on submarine fans during the past 65 years (1950–
2015), the empirical data on 21 modern submarine fans and 10 ancient deep-water systems …
2015), the empirical data on 21 modern submarine fans and 10 ancient deep-water systems …
[HTML][HTML] On the causes of mass extinctions
The temporal link between large igneous province (LIP) eruptions and at least half of the
major extinctions of the Phanerozoic implies that large scale volcanism is the main driver of …
major extinctions of the Phanerozoic implies that large scale volcanism is the main driver of …
Earth's impact events through geologic time: a list of recommended ages for terrestrial impact structures and deposits
M Schmieder, DA Kring - Astrobiology, 2020 - liebertpub.com
This article presents a current (as of September 2019) list of recommended ages for proven
terrestrial impact structures (n= 200) and deposits (n= 46) sourced from the primary …
terrestrial impact structures (n= 200) and deposits (n= 46) sourced from the primary …
Globally distributed iridium layer preserved within the Chicxulub impact structure
The Cretaceous-Paleogene (K-Pg) mass extinction is marked globally by elevated
concentrations of iridium, emplaced by a hypervelocity impact event 66 million years ago …
concentrations of iridium, emplaced by a hypervelocity impact event 66 million years ago …
Rapid short-term cooling following the Chicxulub impact at the Cretaceous–Paleogene boundary
The mass extinction at the Cretaceous–Paleogene boundary,∼ 66 Ma, is thought to be
caused by the impact of an asteroid at Chicxulub, present-day Mexico. Although the precise …
caused by the impact of an asteroid at Chicxulub, present-day Mexico. Although the precise …
Tsunami deposits in the geological record
AG Dawson, I Stewart - Sedimentary Geology, 2007 - Elsevier
A review is presented here of tsunami deposits in the geological record. It begins with a
discussion of the relationships between the processes of tsunami generation and …
discussion of the relationships between the processes of tsunami generation and …
[HTML][HTML] The landslide problem
G Shanmugam, Y Wang - Journal of Palaeogeography, 2015 - Elsevier
The synonymous use of the general term “landslide”, with a built-in reference to a sliding
motion, for all varieties of mass-transport deposits (MTD), which include slides, slumps …
motion, for all varieties of mass-transport deposits (MTD), which include slides, slumps …
[HTML][HTML] Global case studies of soft-sediment deformation structures (SSDS): Definitions, classifications, advances, origins, and problems
G Shanmugam - Journal of Palaeogeography, 2017 - Elsevier
Soft-sediment deformation structures (SSDS) have been the focus of attention for over 150
years. Existing unconstrained definitions allow one to classify a wide range of features under …
years. Existing unconstrained definitions allow one to classify a wide range of features under …
[HTML][HTML] The seismite problem
G Shanmugam - Journal of Palaeogeography, 2016 - Elsevier
During a period of 82 years (1931–2013), 39 genetic terms were introduced for various
deposits. Of the 39 terms, only ten are meaningful in understanding the true depositional …
deposits. Of the 39 terms, only ten are meaningful in understanding the true depositional …