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Browsing by Author "Morgan, Joanna V."

Browsing by Author "Morgan, Joanna V."

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  • Expedition 364 Methods 
    Gulick, Sean P. S.; Morgan, Joanna V.; Mellett, Claire L.; Green, S. L.; Kring, David A. (David Allen); https://orcid.org/0000-0002-3440-6282 (International Ocean Discovery Program, 2017-12-30)
    This chapter documents the operational, curatorial, and analytical procedures and methods used during the offshore and onshore phases of International Ocean Discovery Program (IODP) Expedition 364. The information presented ...
  • Expedition 364 Summary 
    Gulick, Sean P. S.; Morgan, Joanna V.; Mellett, Claire L.; Green, S. L.; Kring, David A. (David Allen); https://orcid.org/0000-0002-3440-6282 (International Ocean Discovery Program, 2017-12-30)
    During International Ocean Discovery Program (IODP) and International Continental Scientific Drilling Program (ICDP) Expedition 364, Paleogene sedimentary rocks and lithologies that make up the Chicxulub peak ring were ...
  • Globally distributed iridium layer preserved within the Chicxulub impact structure 
    Goderis, Steven; Sato, Honami; Ferrière, Ludovic; Schmitz, Birger; Kaskes, Pim; Vellekoop, Johan; Wittmann, Axel 1971-; Schulz, Toni 1975-; Chernonozhkin, Stepan M.; Claeys, Philippe, 1961-; Graaff, Sietze J. de; Déhais, Thomas; Winter, Niels J. de; Elfman, Mikael; Feignon, Jean-Guillaume; Ishikawa, Akira; Koeberl, Christian, 1959-; Kristiansson, Per; Neal, Clive R.; Owens, Jeremy D.; Schmieder, Martin, 1978-; Sinnesael, Matthias; Vanhaecke, Frank, 1966-; Van Malderen, Stijn J. M.; Bralowerv, Timothy J.; Gulick, Sean P. S.; Kring, David A. (David Allen); Lowery, Christopher M.; Morgan, Joanna V.; Smit, Jan; Whalen, Michael T.; IODP-ICDP Expedition 364 Scientists; https://orcid.org/0000-0002-1458-5148; https://orcid.org/0000-0002-3440-6282; https://orcid.org/0000-0003-0705-3490 (American Association for the Advancement of Science, 2021-02-24)
    Here, we report new data from four independent laboratories that reveal a positive iridium anomaly within the peak-ring sequence of the Chicxulub impact structure, in drill core recovered by IODP-ICDP Expedition 364. The ...
  • International Ocean Discovery Program Expedition 364 Preliminary Report, Chicxulub: Drilling the K-Pg Impact Crater 
    Gulick, Sean P. S.; Morgan, Joanna V.; Mellett, Claire L.; Expedition 364 Scientists (International Ocean Discovery Program, 2017-02)
    During International Ocean Discovery Program (IODP) Expedition 364, Paleogene sediments and lithologies that make up the Chicxulub peak ring were cored to investigate (1) the nature and formational mechanism of peak rings, ...
  • Life and Death in the Chicxulub Impact Crater: A Record of the Paleocene–Eocene Thermal Maximum 
    Smith, Vann; Warny, Sophie; Grice, Kliti; Schaefer, Bettina; Whalen, Michael T.; Vellekoop, Johan; Chenot, Elise; Gulick, Sean P. S.; Arenillas, Ignacio; Arz, Jose A.; Bauersachs, Thorsten; Bralower, Timothy J.; Demory, François; Gattacceca, Jérôme; Jones, Heather L.; Lofi, Johanna; Lowery, Christopher M.; Morgan, Joanna V.; Nuñez Otaño, Noelia B.; O'Keefe, Jennifer M. K.; O'Malley, Katherine; Rodríguez-Tovar, Francisco J.; Schwark, Lorenz; IODP-ICDP Expedition 364 Scientists (EGU Publications, 2020-10-19)
    Here, we present a new record of the Paleocene–Eocene Thermal Maximum (PETM) from the peak ring of the Chicxulub impact crater that has been identified based on nannofossil biostratigraphy, an acme of the dinoflagellate ...
  • Ocean resurge‑induced impact melt dynamics on the peak‑ring of the Chicxulub impact structure, Mexico 
    Schulte, Felix M.; Wittmann, Axel 1971-; Jung, Stefan; Morgan, Joanna V.; Gulick, Sean P. S.; Kring, David A. (David Allen); Grieve, Richard A. F.; Osinski, Gordon R.; Riller, Ulrich; IODP-ICDP Expedition 364 Science Party; https://orcid.org/0000-0002-3440-6282 (Springer, 2021-03-18)
    Core from Hole M0077 from IODP/ICDP Expedition 364 provides unprecedented evidence for the physical processes in effect during the interaction of impact melt with rock-debris-laden seawater, following a large meteorite ...
  • Shaping of the Present-Day Deep Biosphere at Chicxulub by the Impact Catastrophe That Ended the Cretaceous 
    Cockell, Charles; Schaefer, Bettina; Wuchter, Cornelia; Coolen, Marco J. L.; Grice, Kliti; Schnieders, Luzie; Morgan, Joanna V.; Gulick, Sean P. S.; Wittmann, Axel 1971-; Lofi, Johanna; Christeson, Gail L.; Kring, David A. (David Allen); Whalen, Michael T.; Bralower, Timothy J.; Osinski, Gordon R.; Claeys, Philippe, 1961-; Kaskes, Pim; Graaff, Sietze J. de; Déhais, Thomas; Goderis, Steven; Hernández-Becerra, Natali; Nixon, Sophie; IODP-ICDP Expedition Scientists; https://orcid.org/0000-0002-3440-6282 (2021-06-24)
    We report on the effect of the end-Cretaceous impact event on the present-day deep microbial biosphere at the impact site. IODP-ICDP Expedition 364 drilled into the peak ring of the Chicxulub crater, México, allowing us ...
  • Shock impedance amplified impact deformation of zircon in granitic rocks from the Chicxulub impact crater 
    Wittmann, Axel 1971-; Cavosie, Aaron J.; Timms, Nicholas E.; Ferrière, Ludovic; Rae, Auriol S. P.; Rasmussen, Cornelia; Ross, Catherine; Stockli, Daniel; Schmieder, Martin, 1978-; Kring, David A. (David Allen); Zhao, Jiawei; Morgan, Joanna V.; Gulick, Sean P. S.; IODP-ICDP Expedition 364 Scientists; https://orcid.org/0000-0002-1458-5148; https://orcid.org/0000-0002-3440-6282 (Elsevier, 2021-12-01)
    To resolve issues with the shock petrographic use of zircon, we classified impact deformation features in 429 zircon grains in a continuous drill core of uplifted, granitic bedrock in the peak ring of the 200-km-diameter ...
  • Site M0077: Introduction 
    Gulick, Sean P. S.; Morgan, Joanna V.; Mellett, Claire L.; Green, S. L.; Kring, David A. (David Allen); https://orcid.org/0000-0002-3440-6282 (International Ocean Discovery Program, 2017-12-30)
    During International Ocean Discovery Program Expedition 364, open-hole drilling occurred from the seafloor to ~500 m drilling depth below seafloor (DSF) and core was recovered between 505.70 and 1334.69 meters below seafloor ...
  • Site M0077: Lower Peak Ring 
    Morgan, Joanna V.; Gulick, Sean P. S.; Mellett, Claire L.; Green, S. L.; Kring, David A. (David Allen); https://orcid.org/0000-0002-3440-6282 (International Ocean Discovery Program, 2017-12-30)
    From 747.02 meters below seafloor (mbsf) to the base of Hole M0077A at 1334.69 mbsf, granitoids intruded by pre-impact mafic and felsic dikes were recovered, interspersed with suevite and impact melt rock (Core 95R-3, 117 ...
  • Site M0077: microbiology 
    Morgan, Joanna V.; Gulick, Sean P. S.; Mellett, Claire L.; Green, S. L.; Kring, David A. (David Allen); https://orcid.org/0000-0002-3440-6282 (International Ocean Discovery Program, 2017-12-30)
    Asteroid and comet impacts are known to cause severe disruption to surface biota, as is the case for Chicxulub, but what is their effect on the present and ancient deep biosphere, where a large proportion of the Earth's ...
  • Site M0077: Open Hole 
    Gulick, Sean P. S.; Morgan, Joanna V.; Mellett, Claire L.; Green, S. L.; Kring, David A. (David Allen); https://orcid.org/0000-0002-3440-6282 (International Ocean Discovery Program, 2017-12-30)
    The upper part of Hole M0077A, the Open Hole interval, was drilled without coring to maximize the potential to reach the target drilling depth. A rotary drill was used for open-hole drilling from the seabed to 505.7 m ...
  • Site M0077: Post-Impact Sedimentary Rocks 
    Gulick, Sean P. S.; Morgan, Joanna V.; Mellett, Claire L.; Green, S. L.; Kring, David A. (David Allen); https://orcid.org/0000-0002-3440-6282 (International Ocean Discovery Program, 2017-12-30)
    In the uppermost part of the cored interval in Hole M0077A, a succession of post-impact sedimentary rocks was recovered between 505.7 and 617.33 meters below seafloor (mbsf) (Core 1R to Section 40R-1, 109.4 cm). The following ...
  • Site M0077: Upper Peak Ring 
    Morgan, Joanna V.; Gulick, Sean P. S.; Mellett, Claire L.; Green, S. L.; Kring, David A. (David Allen); https://orcid.org/0000-0002-3440-6282 (International Ocean Discovery Program, 2017-12-30)
    In Hole M0077A, the Upper Peak Ring interval is composed of suevite and impact melt rock between 617.33 and 747.02 meters below seafloor (mbsf) (Sections 40R-1, 109.4 cm, to 95R-3, 117 cm). The following sections detail ...
  • A steeply-inclined trajectory for the Chicxulub impact 
    Collins, Gareth S.; Patel, N.; Davison, Thomas M.; Rae, Auriol S. P.; Morgan, Joanna V.; Gulick, Sean P. S.; Kring, David A. (David Allen); https://orcid.org/0000-0002-3440-6282 (Nature, 2020-05-26)
    The environmental severity of large impacts on Earth is influenced by their impact trajectory. Impact direction and angle to the target plane affect the volume and depth of origin of vaporized target, as well as the ...
  • Supplementary material for Volume 364 expedition reports 
    Morgan, Joanna V.; Gulick, Sean P. S.; Mellett, Claire L.; Green, S. L.; Expedition 364 Scientists (International Ocean Discovery Program, 2020)
    Supplementary material for the Volume 364 expedition reports includes age-depth, MAR, and MAD data and fault-slip data in Microsoft Excel format; CT images and core line-scan images in JPG format; handwritten VCDs in PDF; ...
  • Winding down the Chicxulub impact: The transition between impact and normal marine sedimentation near ground zero 
    Whalen, Michael T.; Lowery, Christopher M.; Bralower, Timothy J.; Gulick, Sean P. S.; Morgan, Joanna V.; Grice, Kliti; Schaefer, Bettina; Smit, Jan; Ormö, Jens; Wittmann, Axel 1971-; Kring, David A. (David Allen); Lyons, Shelby; Goderis, Steven; IODP-ICDP Expedition 364 Scientists; https://orcid.org/0000-0002-3440-6282 (Elsevier, 2020-12)
    The upper suevite, Transitional Unit, and overlying green marlstone on the peak ring of the Chicxulub impact structure at Site M0077 appear to record a complete transition from resurge deposits into post-impact sediments. ...

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