On impact and volcanism across the Cretaceous-Paleogene boundary

PM Hull, A Bornemann, DE Penman, MJ Henehan… - Science, 2020 - science.org
The cause of the end-Cretaceous mass extinction is vigorously debated, owing to the
occurrence of a very large bolide impact and flood basalt volcanism near the boundary …

Halogens in mafic and intermediate-silica content magmas

JD Webster, DR Baker, A Aiuppa - The role of halogens in terrestrial and …, 2018 - Springer
As volatile and variably mobile components, halogens play key roles in magmatic,
metasomatic, mineralizing, and volcanic processes by influencing the physical and chemical …

How Large Igneous Provinces affect global climate, sometimes cause mass extinctions, and represent natural markers in the geological record

RE Ernst, N Youbi - Palaeogeography, palaeoclimatology, palaeoecology, 2017 - Elsevier
Abstract Large Igneous Provinces (LIPs) can have a significant global climatic effect as
monitored by sedimentary trace and isotopic compositions that record paleo …

Mercury anomaly, Deccan volcanism, and the end-Cretaceous mass extinction

E Font, T Adatte, AN Sial, LD de Lacerda… - …, 2016 - pubs.geoscienceworld.org
The contribution of the Deccan Traps (west-central India) volcanism in the Cretaceous-
Paleogene (KPg) crisis is still a matter of debate. Recent U-Pb dating of zircons interbedded …

Reconciling early Deccan Traps CO2 outgassing and pre-KPB global climate

A Hernandez Nava, BA Black… - Proceedings of the …, 2021 - National Acad Sciences
A 2 to 4° C warming episode, known as the Latest Maastrichtian warming event (LMWE),
preceded the Cretaceous–Paleogene boundary (KPB) mass extinction at 66.05±0.08 Ma …

Environmental changes during the Cretaceous-Paleogene mass extinction and Paleocene-Eocene thermal maximum: implications for the Anthropocene

G Keller, P Mateo, J Punekar, H Khozyem, B Gertsch… - Gondwana …, 2018 - Elsevier
Abstract The Cretaceous-Paleogene boundary (KPB) mass extinction (~ 66.02 Ma) and the
Paleocene-Eocene Thermal Maximum (PETM)(~ 55.8 Ma) are two remarkable climatic and …

Mercury enrichment and Hg isotopes in Cretaceous–Paleogene boundary successions: Links to volcanism and palaeoenvironmental impacts

AN Sial, J Chen, LD Lacerda, R Frei, VC Tewari… - Cretaceous …, 2016 - Elsevier
We investigate the use of Hg as a proxy for volcanism by studying four distal and two
proximal sections in relation to the Deccan volcanic center, straddling the Cretaceous …

Upheavals during the late Maastrichtian: Volcanism, climate and faunal events preceding the end-Cretaceous mass extinction

G Keller, J Punekar, P Mateo - Palaeogeography, Palaeoclimatology …, 2016 - Elsevier
The late Maastrichtian was a time of major climate, evolution and extinction extremes. Rapid
climate warming of 2–3° C in intermediate waters between 69.5 and 68 Ma (top C31r to …

Effects of Deccan volcanism on paleoenvironment and planktic foraminifera: A global survey

J Punekar, P Mateo, G Keller - Geological Society of America …, 2014 - books.google.com
Deccan volcanism, one of Earth's largest flood basalt provinces, erupted~ 80% of its total
volume (phase 2) during a relatively short time in the uppermost Maastrichtian …

Imprints of modal metasomatism in the post-Deccan subcontinental lithospheric mantle: petrological evidence from an ultramafic xenolith in an Eocene lamprophyre …

R Pandey, NVC Rao, D Pandit, S Sahoo, P Dhote - 2018 - pubs.geoscienceworld.org
We report here on the occurrence of an interesting mantle-derived ultramafic xenolith
entrained in an Eocene (c. 55 Ma) lamprophyre dyke from the Dongargaon area of the …