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Vivi Vajda-Santivanez
Lund University
137Publications
22H-index
2,168Citations
Publications 143
Newest
#1Vann Smith (Houston Museum of Natural Science)
#2Sophie Warny (Houston Museum of Natural Science)H-Index: 14
Last.Sean P. S. Gulick (University of Texas at Austin)H-Index: 31
view all 6 authors...
AbstractAt the end of the Cretaceous Period, an asteroid collided with the Earth and formed the Chicxulub impact structure on the Yucatan Platform. International Ocean Discovery Program (IODP) Expe...
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#1B. Schaefer (Curtin University)H-Index: 1
#2Kliti Grice (Curtin University)H-Index: 38
Last.Vivi Vajda-Santivanez (Swedish Museum of Natural History)H-Index: 22
view all 17 authors...
Source
#1Jiawei Zhao (China University of Geosciences)
#2L. Xiao (China University of Geosciences)H-Index: 4
view all 23 authors...
Abstract The Late Paleozoic tectono–magmatic history and basement of the Maya block are poorly understood due to the lack of exposures of coeval magmatic rocks in the region. Recently, IODP–ICDP Expedition 364 recovered drill core samples at borehole M0077 from the peak ring of the Chicxulub impact crater, offshore of the Yucatan peninsula in the Gulf of Mexico, have been studied comprehensively. In the lowermost ~600 m of drill core, impact–deformed granitoids, and minor felsite and dolerite dy...
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#1Vivi Vajda-Santivanez (Swedish Museum of Natural History)H-Index: 22
#2Stephen McLoughlin (Swedish Museum of Natural History)H-Index: 33
Last.Robert S. NicollH-Index: 21
view all 9 authors...
Abstract Current large-scale deforestation poses a threat to ecosystems globally, and imposes substantial and prolonged changes on the hydrological and carbon cycles. The tropical forests of the Amazon and Indonesia are currently undergoing deforestation with catastrophic ecological consequences but widespread deforestation events have occurred several times in Earth's history and these provide lessons for the future. The end-Permian mass-extinction event (EPE; ∼252 Ma) provides a global, deep-t...
1 CitationsSource
#1Christopher R. Fielding (NU: University of Nebraska–Lincoln)H-Index: 40
#2Tracy D. Frank (NU: University of Nebraska–Lincoln)H-Index: 26
Last.James L. Crowley (BSU: Boise State University)H-Index: 35
view all 11 authors...
Past studies of the end-Permian extinction (EPE), the largest biotic crisis of the Phanerozoic, have not resolved the timing of events in southern high-latitudes. Here we use palynology coupled with high-precision CA-ID-TIMS dating of euhedral zircons from continental sequences of the Sydney Basin, Australia, to show that the collapse of the austral Permian Glossopteris flora occurred prior to 252.3 Ma (~370 kyrs before the main marine extinction). Weathering proxies indicate that floristic chan...
8 CitationsSource
#1Chris Mays (Swedish Museum of Natural History)H-Index: 2
#2Vivi Vajda-Santivanez (Swedish Museum of Natural History)H-Index: 22
Last.Stephen McLoughlin (Swedish Museum of Natural History)H-Index: 33
view all 7 authors...
2 CitationsSource
#1Margret Steinthorsdottir (Stockholm University)H-Index: 9
#2Vivi Vajda-Santivanez (Swedish Museum of Natural History)H-Index: 22
Last.Guy R. Holdgate (University of Melbourne)H-Index: 20
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1 CitationsSource
#1Martin Qvarnström (Uppsala University)H-Index: 5
Last.Mats E. Eriksson (Lund University)H-Index: 19
view all 8 authors...
A total of 462 coprolites from three localities exposing Upper Cretaceous deposits in the Munster Basin, northwestern Germany, have been subjected to an array of analytical techniques, with the aim of elucidating ancient trophic structures and predator–prey interactions. The phosphatic composition, frequent bone inclusions, size and morphology collectively suggest that most, if not all, coprolites were produced by carnivorous (predatory or scavenging) vertebrates. The bone inclusions further ind...
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#1Sean P. S. Gulick (University of Texas at Austin)H-Index: 31
#2Timothy J. Bralower (PSU: Pennsylvania State University)H-Index: 50
Last.Axel Wittmann (ASU: Arizona State University)H-Index: 5
view all 29 authors...
Highly expanded Cretaceous–Paleogene (K-Pg) boundary section from the Chicxulub peak ring, recovered by International Ocean Discovery Program (IODP)–International Continental Scientific Drilling Program (ICDP) Expedition 364, provides an unprecedented window into the immediate aftermath of the impact. Site M0077 includes ∼130 m of impact melt rock and suevite deposited the first day of the Cenozoic covered by
3 CitationsSource
#1B. SchaeferH-Index: 1
Last.Vivi Vajda-SantivanezH-Index: 22
view all 17 authors...
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