Late Cenozoic climate history of the Ross Embayment from the AND -1B drill hole: Culmination of three decades of Antarctic margin drilling

• Main Authors: Naish, T. R., Powell, R. D., Barrett, P. J., Levy, R. H., Henrys, S., Wilson, G. S., Krissek, L. A., Niessen, F., Pompilio, M., Ross, J., Scherer, R., Talarico, F., Pyne, A., the ANDRILL-MIS Science team
• Other Authors: Naish, T. R.; Antarctic Research Centre, Victoria University of Wellington, Wellington, New Zealand - Geological and Nuclear Sciences, Lower Hutt, New Zealand, Powell, R. D.; Department of Geology and Environmental Geosciences, Northern Illinois University, DeKalb, IL, USA, Barrett, P. J.; Antarctic Research Centre, Victoria University of Wellington, Wellington, New Zealand, Levy, R. H.; ANDRILL Science Management Office, University of Nebraska-Lincoln, Lincoln, United States, Henrys, S.; Antarctic Research Centre, Victoria University of Wellington, Wellington, New Zealand, Wilson, G. S.; Department of Geology, University of Otago, Dunedin,New Zealand, Krissek, L. A.; Department of Geosciences, The Ohio State University, Columbus, OH, USA, Niessen, F.; Department of Marine Geophysics, Alfred Wegener Institute, Bremerhaven, Germany, Pompilio, M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italia, Ross, J.; New Mexico Geochronology Research Laboratory, Socorro, Scherer, R.; Department of Geology and Environmental Geosciences, Northern Illinois University, DeKalb, IL, USA, Talarico, F.; Università di Siena, Dipartimento di Scienze delle Terra, Siena, Italy, Pyne, A.; Antarctic Research Centre, Victoria University of Wellington, Wellington, New Zealand, the ANDRILL-MIS Science team; http://www.andrill.org/support/references/appendixc.html, Cooper, A. K., Raymond, C. R., ISAES Editorial Team, Antarctic Research Centre, Victoria University of Wellington, Wellington, New Zealand - Geological and Nuclear Sciences, Lower Hutt, New Zealand, Department of Geology and Environmental Geosciences, Northern Illinois University, DeKalb, IL, USA, Antarctic Research Centre, Victoria University of Wellington, Wellington, New Zealand, ANDRILL Science Management Office, University of Nebraska-Lincoln, Lincoln, United States, Department of Geology, University of Otago, Dunedin,New Zealand, Department of Geosciences, The Ohio State University, Columbus, OH, USA, Department of Marine Geophysics, Alfred Wegener Institute, Bremerhaven, Germany, Istituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italia, New Mexico Geochronology Research Laboratory, Socorro, Università di Siena, Dipartimento di Scienze delle Terra, Siena, Italy, http://www.andrill.org/support/references/appendixc.html
• Format: Conference Object
• Language: English
• Published: U.S. Geological Survey and The National Academies 2007
• Subjects: climate history; ANDRILL; 02. Cryosphere::02.01. Permafrost::02.01.99. General or miscellaneous; Antarctic; Antarctic Peninsula; McMurdo Ice Shelf; McMurdo Sound; Prydz Bay; The Antarctic; Antarc*; Ice; Ice Sheet; Ice Shelf; Ice Shelves; permafrost
• Online Access: http://hdl.handle.net/2122/3314; https://doi.org/10.3133/of2007-1047

Because of the paucity of exposed rock the direct physical record of Antarctic Cenozoic glacial history has become known only recently and then largely from off-shore shelf basins through seismic surveys and drilling. The number of holes has been small and largely confined to three areas (McMurdo Sound, Prydz Bay and Antarctic Peninsula), but even in McMurdo Sound, where Oligocene and early Miocene strata are well-cored, the Late Cenozoic is poorly known and dated. The latest Antarctic geological drilling program, ANDRILL, successfully cored a 1285m-long record of climate history spanning the last 13 m.y. from sub-sea floor sediment beneath the McMurdo Ice Shelf (MIS), using drilling systems specially developed for operating through ice shelves. The cores provide the most complete Antarctic record to date of ice sheet and climate fluctuations for this period of Earth’s history. The >60 cycles of advance and retreat of the grounded ice margin preserved in the AND¬1B record the evolution of the Antarctic ice sheet since a profound global cooling step in deep sea oxygen isotope records ~14 m.y. ago. A feature of particular interest is a ~90m-thick interval of diatomite deposited during the warm Pliocene, and representing an extended period (~200,000 years) of locally open water, high phytoplankton productivity and retreat of the glaciers on land. USGS - National Academy Published Santa Barbara USA 3.8. Geofisica per l'ambiente open