Gregory S. Gohn

J. Wright Horton

David S. Powars

The USGS-NASA Langley Corehole, Hampton, Virginia, and Related Coreholes and Geophysical Surveys

Studies of the Chesapeake Bay Impact Structure

Henning Dypvik

Lucy E. Edwards

J. Wright Horton Jr.

Ronald J. Litwin

"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"--

Development of “Brim” Sedimentation in a Multilayered Marine Target

Chesapeake Bay Impact Structure

"In 2005 and 2006, an international deep drilling project, conceived and organized under the auspices of the International Continental Scientific Drilling Program and the U.S. Geological Survey, continuously cored three boreholes to a total depth of 1.766 km near the center of the Chesapeake Bay impact structure in Northampton County, Virginia. This volume presents the initial results of geologic, petrographic, geochemical, paleontologic, geophysical, hydrologic, and microbiologic analyses of the Eyreville cores, which constitute a step forward in our understanding of the Chesapeake Bay impact structure and marine impact structures in general. The editors have organized this extensive volume into the following sections: geologic columns; borehole geophysical studies; regional geophysical studies; crystalline rocks, impactites, and impact models; sedimentary breccias; post-impact sediments; hydrologic and geothermal studies; and microbiologic studies. The multidisciplinary approach to the study of this impact structure should provide a valuable example for future scientific drilling investigations."--Publisher's description.

Results from the Eyreville Core Holes

The ICDP-USGS Deep Drilling Project in the Chesapeake Bay Impact Structure

Geological Survey (U.S.)

Harry J. Dowsett

Norman Frederick Sohl

Biostratigraphic analysis of Santonian microfaunas and macrofaunas in a subsurface marine facies of the Middendorf Formation.

Biostratigraphy of the Middendorf Formation (Upper Cretaceous) in a Corehole at Myrtle Beach, South Carolina

Gregory S. Gohn

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