Origin of a global carbonate layer deposited in the aftermath of the Cretaceous-Paleogene boundary impact

TJ Bralower, J Cosmidis, PJ Heaney, LR Kump… - Earth and Planetary …, 2020 - Elsevier
Microcrystalline calcite (micrite) dominates the sedimentary record of the aftermath of the
Cretaceous–Paleogene (K–Pg) impact at 31 sites globally, with records ranging from the …

Carbonate factories: a conundrum in sedimentary geology

L Pomar, P Hallock - Earth-Science Reviews, 2008 - Elsevier
Describing, characterizing and interpreting the nearly infinite variety of carbonate rocks are
conundrums–intricate and difficult problems having only conjectural answers–that have …

Impact melting of carbonates from the Chicxulub crater

AP Jones, P Claeys, S Heuschkel - Impacts and the early Earth, 2000 - Springer
We have recently interpreted distinctive feathery-textured “spinifex” carbonate in the upper
part of the Chicxulub suevite breccia as quenched carbonate melts (Jones et al. 1998); …

The first day of the Cenozoic

SPS Gulick, TJ Bralower, J Ormö… - Proceedings of the …, 2019 - National Acad Sciences
Highly expanded Cretaceous–Paleogene (K-Pg) boundary section from the Chicxulub peak
ring, recovered by International Ocean Discovery Program (IODP)–International Continental …

The geochemistry of late Archaean microbial carbonate: implications for ocean chemistry and continental erosion history

BS Kamber, GE Webb - Geochimica et Cosmochimica Acta, 2001 - Elsevier
Trace element concentrations and combined Sr-and Nd-isotope compositions were
determined on stromatolitic carbonates (microbialites) from the 2.52 Ga Campbellrand …

Experimental examination of the Mg-silicate-carbonate system at ambient temperature: Implications for alkaline chemical sedimentation and lacustrine carbonate …

BM Tutolo, NJ Tosca - Geochimica et Cosmochimica Acta, 2018 - Elsevier
Despite their clear economic significance, Cretaceous presalt carbonates of the South
Atlantic continental margins are not well-described by published facies models. This …

Microbial carbonates: the geological record of calcified bacterial–algal mats and biofilms

R Riding - Sedimentology, 2000 - Wiley Online Library
Deposits produced by microbial growth and metabolism have been important components of
carbonate sediments since the Archaean. Geologically best known in seas and lakes …

Ocean acidification and surface water carbonate production across the Paleocene–Eocene thermal maximum

SJ Gibbs, HM Stoll, PR Bown, TJ Bralower - Earth and Planetary Science …, 2010 - Elsevier
The addition of massive amounts of carbon to the ocean–atmosphere system at the
Paleocene–Eocene thermal maximum (PETM,∼ 55Ma) caused deep-ocean acidification …

Aftermath of the end‐Cretaceous mass extinction: Possible biogeochemical stabilization of the carbon cycle and climate

K Caldeira, MR Rampino - Paleoceanography, 1993 - Wiley Online Library
In the aftermath of the Cretaceous/Tertiary (K/T) boundary event (∼ 65 my ago), pelagic
carbonate productivity was greatly reduced for several hundred thousand years. A decrease …

A dual-layer Chicxulub ejecta sequence with shocked carbonates from the Cretaceous–Paleogene (K–Pg) boundary, Demerara Rise, western Atlantic

P Schulte, A Deutsch, T Salge, J Berndt… - … et Cosmochimica Acta, 2009 - Elsevier
An up to∼ 2-cm thick Chicxulub ejecta deposit marking the Cretaceous–Paleogene (K–Pg)
boundary (the “K–T” boundary) was recovered in six holes drilled during ODP Leg 207 …