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1. Rapid recovery of life at ground zero of the end-Cretaceous mass extinction

Author

Lowery, Christopher M., Bralower, Timothy J., Owens, Jeremy D., Rodríguez-Tovar, Francisco J., Jones, Heather, Smit, Jan, Whalen, Michael T., Claeys, Phillipe, Farley, Kenneth, Gulick, Sean P. S., Morgan, Joanna V., Green, Sophie, Chenot, Elise, Christeson, Gail L., Cockell, Charles S., Coolen, Marco J. L., Ferrière, Ludovic, Gebhardt, Catalina, Goto, Kazuhisa, Kring, David A., Lofi, Johanna, Ocampo-Torres, Rubén, Perez-Cruz, Ligia, Pickersgill, Annemarie E., Poelchau, Michael H., Rae, Auriol S. P., Rasmussen, Cornelia, Rebolledo-Vieyra, Mario, Riller, Ulrich, Sato, Honami, Tikoo, Sonia M., Tomioka, Naotaka, Urrutia-Fucugauchi, Jaime, Vellekoop, Johan, Wittmann, Axel, Xiao, Long, Yamaguchi, Kosei E., and Zylberman, William

Published
2018
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4. Peering inside the peak ring of the Chicxulub Impact Crater-its nature and formation mechanism

Author

Urrutia-Fucugauchi, Jaime, Pérez-Cruz, Ligia, Morgan, Joanna, Gulick, Sean, Wittmann, Axel, Lofi, Johanna, Morgan, Joanna V, Gulick, Sean P. S., Chenot, Elise, Christeson, Gail, Claeys, Phillipe, Cockell, C., Coolen, Marco J.L., Ferriere, L., Gebhardt, Catalina, Goto, K., Jones, Heather, Kring, D. A., Lowery, Christopher M, Mellett, C., Ocampo-Torres, Ruben, Perez-Cruz, Ligia, Pickersgill, Annemarie E, Poelchau, Michael, Rae, A.S.P., Rasmussen, C., Rebolledo-Vieyra, Mario, Riller, Ulrich, Sato, H., Smit, J., Tikoo, Sonia M, Tomioka, N., Urrutia-Fucugauchi, J., Whalen, Michael, Xiao, L., Yamaguchi, K. E., Bralower, Timothy, Collins, G. S., Urrutia-Fucugauchi, Jaime, Pérez-Cruz, Ligia, Morgan, Joanna, Gulick, Sean, Wittmann, Axel, Lofi, Johanna, Morgan, Joanna V, Gulick, Sean P. S., Chenot, Elise, Christeson, Gail, Claeys, Phillipe, Cockell, C., Coolen, Marco J.L., Ferriere, L., Gebhardt, Catalina, Goto, K., Jones, Heather, Kring, D. A., Lowery, Christopher M, Mellett, C., Ocampo-Torres, Ruben, Perez-Cruz, Ligia, Pickersgill, Annemarie E, Poelchau, Michael, Rae, A.S.P., Rasmussen, C., Rebolledo-Vieyra, Mario, Riller, Ulrich, Sato, H., Smit, J., Tikoo, Sonia M, Tomioka, N., Urrutia-Fucugauchi, J., Whalen, Michael, Xiao, L., Yamaguchi, K. E., Bralower, Timothy, and Collins, G. S.

Abstract

The IODP-ICDP Expedition 364 drilled into the Chicxulub crater, peering inside its well-preserved peak ring. The borehole penetrated a sequence of post-impact carbonates and a unit of suevites and clast-poor impact melt rock at the top of the peak ring. Beneath this sequence, basement rocks cut by pre-impact and impact dykes, with breccias and melt, were encountered at shallow depths. The basement rocks are fractured, shocked and uplifted, consistent with dynamic collapse, uplift and long-distance transport of weakened material during collapse of the transient cavity and final crater formation.

Published
2019

5. Drilling-induced and logging-related features illustrated from IODP–ICDP Expedition 364 downhole logs and borehole imaging tools

Author

Lofi, Johanna, Smith, David, Delahunty, Chris, Le Ber, Erwan, Brun, Laurent, Henry, Gilles, Paris, Jehanne, Tikoo, Sonia, Zylberman, William, Pezard, Philippe A., Célérier, Bernard, Schmitt, Douglas R., Nixon, Chris, Gulick, Sean P. S., Morgan, Joanna V, Chenot, Elise, Christeson, Gail, Claeys, Phillipe, Cockell, Charles S, Coolen, Marco J L, Ferrière, Ludovic, Gebhardt, Catalina, Goto, K., Green, S., Jones, Heather, Kring, David A, Lowery, C., Mellett, C., Ocampo-Torres, R., Perez-Cruz, Ligia, Pickersgill, Annemarie E, Poelchau, Michael, Rae, Auriol S. P., Rasmussen, C., Rebolledo-Vieyra, M., Riller, Ulrich, Sato, H., Smit, J., Tomioka, N., Urrutia-Fucugauchi, J., Whalen, Michael, Wittmann, Axel, Xiao, L., Yamaguchi, Kosei E, Bralower, Timothy J, Analytical, Environmental & Geo-Chemistry, Earth System Sciences, Chemistry, Géosciences Montpellier, Institut national des sciences de l'Univers (INSU - CNRS)-Université de Montpellier (UM)-Université des Antilles (UA)-Centre National de la Recherche Scientifique (CNRS), British Geological Survey (BGS), DOSECC Exploration Services, Department of Geology [Leicester], University of Leicester, Department of Earth and Planetary Sciences [Piscataway], Rutgers, The State University of New Jersey [New Brunswick] (RU), Rutgers University System (Rutgers)-Rutgers University System (Rutgers), Centre européen de recherche et d'enseignement des géosciences de l'environnement (CEREGE), Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Collège de France (CdF (institution))-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS)-Institut National de la Recherche Agronomique (INRA), Department of Physics, University of Alberta, Department of Earth, Atmospheric, and Planetary Sciences [West Lafayette] (EAPS), Purdue University [West Lafayette], Institute of Geophysics [Austin] (IG), University of Texas at Austin [Austin], Department of Geological Sciences [Austin], Jackson School of Geosciences (JSG), University of Texas at Austin [Austin]-University of Texas at Austin [Austin], Department of Earth Science and Engineering [Imperial College London], Imperial College London, Biogéosciences [UMR 6282] [Dijon] (BGS), Université de Bourgogne (UB)-AgroSup Dijon - Institut National Supérieur des Sciences Agronomiques, de l'Alimentation et de l'Environnement-Centre National de la Recherche Scientifique (CNRS), Analytical, Environmental and Geo- Chemistry, Vrije Universiteit Brussel (VUB), UK Centre for Astrobiology, SUPA School of Physics and Astronomy [Edinburgh], University of Edinburgh-University of Edinburgh, WA-Organic and Isotope Geochemistry Centre (WA-OIGC), The Institute for Geoscience Research [Perth] (TIGeR), School of Earth and Planetary Science [Perth - Curtin university], Curtin University [Perth], Planning and Transport Research Centre (PATREC)-Planning and Transport Research Centre (PATREC)-Curtin University [Perth], Planning and Transport Research Centre (PATREC)-Planning and Transport Research Centre (PATREC)-School of Earth and Planetary Science [Perth - Curtin university], Planning and Transport Research Centre (PATREC)-Planning and Transport Research Centre (PATREC), Natural History Museum [Vienna] (NHM), Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung (AWI), International Research Institute of Disaster Science, Tohoku University [Sendai], British Geological Survey [Edinburgh], Department of Geosciences [PennState], College of Earth and Mineral Sciences, Pennsylvania State University (Penn State), Penn State System-Penn State System-Pennsylvania State University (Penn State), Penn State System-Penn State System, Lunar and Planetary Institute [Houston] (LPI), Institut de chimie et procédés pour l'énergie, l'environnement et la santé (ICPEES), Université de Strasbourg (UNISTRA)-Matériaux et nanosciences d'Alsace (FMNGE), Institut de Chimie du CNRS (INC)-Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie du CNRS (INC)-Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS), Instituto de Geofisica [Mexico], Universidad Nacional Autónoma de México (UNAM), School of Geographical and Earth Sciences, University of Glasgow, University of Glasgow, Department of Geology, University of Freiburg [Freiburg], Institut für Geologie, Universität Hamburg (UHH), Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Faculty of Earth and Life Sciences [Amsterdam] (FALW), Vrije Universiteit Amsterdam [Amsterdam] (VU), Kochi Institute for Core Sample Research, Department of Geosciences, University of Alaska [Fairbanks] (UAF), LeRoy Eyring Center for Solid State Science, China University of Geosciences [Beijing], Department of Chemistry, Toho University, Funded by IODP withco-funding from ICDP and implemented by ECORD, with contributionsand logistical support from the Yucatán state government and the National Autonomous University of Mexico., Institut national des sciences de l'Univers (INSU - CNRS)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Université des Antilles (UA), Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Collège de France (CdF)-Institut national des sciences de l'Univers (INSU - CNRS)-Aix Marseille Université (AMU)-Institut National de la Recherche Agronomique (INRA), Centre National de la Recherche Scientifique (CNRS)-Université de Bourgogne (UB)-AgroSup Dijon - Institut National Supérieur des Sciences Agronomiques, de l'Alimentation et de l'Environnement, Vrije Universiteit [Brussels] (VUB), WA Organic and Isotope Geochemistry Centre (WA OIGC), Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS)-Matériaux et nanosciences d'Alsace, Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherche pour le Développement (IRD)-Institut National de la Recherche Agronomique (INRA)-Aix Marseille Université (AMU)-Collège de France (CdF (institution))-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Biogéosciences [UMR 6282] (BGS), Université de Bourgogne (UB)-Centre National de la Recherche Scientifique (CNRS), Université de Strasbourg (UNISTRA)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Matériaux et Nanosciences Grand-Est (MNGE), Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Universidad Nacional Autónoma de México = National Autonomous University of Mexico (UNAM), and Geology and Geochemistry

Subjects
Geochemistry & Geophysics, 010504 meteorology & atmospheric sciences, Drill, Mechanical Engineering, 04 Earth Sciences, lcsh:QE1-996.5, Borehole, Drilling, [SDU.STU]Sciences of the Universe [physics]/Earth Sciences, Energy Engineering and Power Technology, 010502 geochemistry & geophysics, 01 natural sciences, Coring, Seafloor spreading, lcsh:Geology, Impact crater, Sedimentary rock, SDG 14 - Life Below Water, Petrology, Casing, Geology, 0105 earth and related environmental sciences
Abstract

13 pages; International audience; Expedition 364 was a joint IODP and ICDP mission-specific platform (MSP) expedition to explore the Chicxulub impact crater buried below the surface of the Yucatán continental shelf seafloor. In April and May 2016, this expedition drilled a single borehole at Site M0077 into the crater's peak ring. Excellent quality cores were recovered from ∼505 to ∼1335 m below seafloor (m b.s.f.), and high-resolution open hole logs were acquired between the surface and total drill depth. Downhole logs are used to image the borehole wall, measure the physical properties of rocks that surround the borehole, and assess borehole quality during drilling and coring operations. When making geological interpretations of downhole logs, it is essential to be able to distinguish between features that are geological and those that are operation-related. During Expedition 364 some drilling-induced and logging-related features were observed and include the following: effects caused by the presence of casing and metal debris in the hole, logging-tool eccentering, drilling-induced corkscrew shape of the hole, possible re-magnetization of low-coercivity grains within sedimentary rocks, markings on the borehole wall, and drilling-induced changes in the borehole diameter and trajectory.

Published
2018
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6. Rapid recovery of life at ground zero of the end-Cretaceous mass extinction

Author

Lowery, Christopher M, Bralower, Timothy J, Owens, Jeremy D, Rodriguez-Tovar, Francisco J, Jones, Heather, Smit, Jan, Whalen, Michael T, Claeys, Phillipe, Farley, Kenneth, Gulick, Sean P S, Morgan, Joanna V, Green, Sophie, Chenot, Elise, Christeson, Gail L, Cockell, Charles S, Coolen, Marco J L, Ferrière, Ludovic, Gebhardt, Catalina, Goto, Kazuhisha, Kring, David A, Lofi, Johanna, Ocampo-Torres, Ruben, Perez-Cruz, Ligia, Pickersgill, Annemarie E, Poelchau, Michael H, Rae, Auriol S P, Rasmussen, Cornelia, Rebolledo-Vieyra, Mario, Riller, Ulrich, Sato, Honami, Tikoo, Sonia M, Tomioka, Naotaka, Urrutia-Fucugauchi, Jaime, Vellekoop, Johan, Wittmann, Axel, Xiao, Long, Yamaguchi, Kosei E, Zylberman, William, Lowery, Christopher M, Bralower, Timothy J, Owens, Jeremy D, Rodriguez-Tovar, Francisco J, Jones, Heather, Smit, Jan, Whalen, Michael T, Claeys, Phillipe, Farley, Kenneth, Gulick, Sean P S, Morgan, Joanna V, Green, Sophie, Chenot, Elise, Christeson, Gail L, Cockell, Charles S, Coolen, Marco J L, Ferrière, Ludovic, Gebhardt, Catalina, Goto, Kazuhisha, Kring, David A, Lofi, Johanna, Ocampo-Torres, Ruben, Perez-Cruz, Ligia, Pickersgill, Annemarie E, Poelchau, Michael H, Rae, Auriol S P, Rasmussen, Cornelia, Rebolledo-Vieyra, Mario, Riller, Ulrich, Sato, Honami, Tikoo, Sonia M, Tomioka, Naotaka, Urrutia-Fucugauchi, Jaime, Vellekoop, Johan, Wittmann, Axel, Xiao, Long, Yamaguchi, Kosei E, and Zylberman, William

Abstract

The Cretaceous/Palaeogene mass extinction eradicated 76% of species on Earth. It was caused by the impact of an asteroid on the Yucatán carbonate platform in the southern Gulf of Mexico 66 million years ago, forming the Chicxulub impact crater. After the mass extinction, the recovery of the global marine ecosystem—measured as primary productivity—was geographically heterogeneous; export production in the Gulf of Mexico and North Atlantic–western Tethys was slower than in most other regions, taking 300 thousand years (kyr) to return to levels similar to those of the Late Cretaceous period. Delayed recovery of marine productivity closer to the crater implies an impact-related environmental control, such as toxic metal poisoning, on recovery times. If no such geographic pattern exists, the best explanation for the observed heterogeneity is a combination of ecological factors—trophic interactions, species incumbency and competitive exclusion by opportunists—and ‘chance’. The question of whether the post-impact recovery of marine productivity was delayed closer to the crater has a bearing on the predictability of future patterns of recovery in anthropogenically perturbed ecosystems. If there is a relationship between the distance from the impact and the recovery of marine productivity, we would expect recovery rates to be slowest in the crater itself. Here we present a record of foraminifera, calcareous nannoplankton, trace fossils and elemental abundance data from within the Chicxulub crater, dated to approximately the first 200 kyr of the Palaeocene. We show that life reappeared in the basin just years after the impact and a high-productivity ecosystem was established within 30 kyr, which indicates that proximity to the impact did not delay recovery and that there was therefore no impact-related environmental control on recovery. Ecological processes probably controlled the recovery of productivity after the Cretaceous/Palaeogene mass extinction and are therefore likel

Published
2018

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