Chesapeake Bay impact structure : development of "brim" sedimentation in a multilayered marine target / by Henning Dypvik [and five others].

  • Boulder, Colorado : The Geological Society of America, 2018.
  • ©2018
iv, 68 pages : illustrations (some color), maps ; 28 cm.


Summary note
"The Chesapeake Bay impact structure is a well-documented example of a small group of multi-layer, marine-target impacts formed in continental shelves or beneath epeiric seas. New sedimentological and stratigraphical data and results--mainly from Chesapeake Bay brim cores (Watkins School, Langley, and Bayside)--are compared to and compiled with key crater core data"-- Provided by publisher.
Bibliographic references
Includes bibliographical references.
Abstract -- Introduction -- Chesapeake Bay impact structure: history of investigations -- Early investigations -- Discovery phase -- Investigations in 1996-2004 -- Second core-drilling program and York-James seismic survey -- International Continental Scientific Drilling Program and USGS Drilling and Geophysical Studies in the Central Crater -- History of groundwater studies -- Brim of the Chesapeake Bay impact structure -- Structural morphology of the Chesapeake Bay impact structure -- Data sets -- Pre-impact target materials -- Sediments modified and (or) redeposited by the impact -- Early postimpact sediments -- Methods and terminology -- Methods -- Terminology -- Core data -- Watkins School core -- Langley core -- Bayside cores 1 and 2 -- Discussion: impact stages and processes in the brim -- Lateral correlations and impact processes -- Contact and compression stage -- Excavation stage -- Modification stage -- Early postimpact sedimentation -- Discussion: comparison to selected marine-target impact structures -- Overview -- Montagnais -- Mjølnir -- Summary and conclusions -- Acknowledgments -- Appendix A: Dinoflagellate species in the Bayside cores -- Appendix B: Biostratigraphic and paleoenvironmental interpretation of fossil pollen samples from gravel and sand unit (unit GS) and parautochthonous Potomac formation (unit PPF) in the USGS Bayside #2 core -- References cited.
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Also available in an electronic version.
  • 9780813725376 (paperback)
  • 0813725372 (paperback)
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