Studies of the Chesapeake Bay impact structure - Introduction and discussion

US Geological Survey Professional Paper

Volumn , Issue 1688, 2006, Pages

  Horton Jr , J Wright ^a   Powars, David S ^a   Gohn, Gregory S ^a  

^a U S GEOLOGICAL SURVEY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CORE DRILLING; GROUNDWATER FLOW; HYDROGEOLOGY; SEDIMENTS; WATER QUALITY;

AUDIOMAGNETOTELLURIC SOUNDING; BASEMENT ROCK; BOREHOLE GEOPHYSICS; CONTINENTAL SHELF; CRATER; DRILLING; EOCENE; SEISMIC REFLECTION; SEISMIC REFRACTION; SILICICLASTIC DEPOSIT;

ATLANTIC OCEAN; CHESAPEAKE BAY; NORTH AMERICA; UNITED STATES;

EID: 33846845030     PISSN: 10449612     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (111)

1. Berggren, W.A., Kent, D.V., Swisher, C.C., III, and Aubry, M.-P., 1995, A revised Cenozoic geochronology and chronostratigraphy, in Berggren, W.A., Kent, D.V., Aubry, M.-P., and Hardenbol, Jan, eds., Geochronology, time scales and global stratigraphic correlation: SEPM (Society for Sedimentary Geology) Special Publication 54, p. 129-212.
2. Bohor, B.F., Betterton, W.J., and Foord, E.E., 1988, Coesite, glass, and shocked quartz at DSDP Site 612; Evidence for nearby impact in the late Eocene [abs.]: Lunar and Planetary Science Conference, 19th, Houston, Tex., March 14-18, 1988, Abstracts, p. 114-115.
3. Brown, P.M., Miller, J.A., and Swain, F.M., 1972, Structural and stratigraphic framework and spatial distribution of permeability of the Atlantic Coastal Plain, North Carolina to New York: U.S. Geological Survey Professional Paper 796, 79 p.
4. Bybell, L.M., and Gibson, T.G., 1994, Paleogene stratigraphy of the Putneys Mill, New Kent County, Virginia, corehole: U.S. Geological Survey Open-File Report 94-217, 38 p.
5. Cande, S.C., and Kent, D.V., 1995, Revised calibration of the geomagnetic polarity timescale for the Late Cretaceous and Cenozoic: Journal of Geophysical Research, v. B100, no. 4, p. 6093-6095.
6. Catchings, R.D., Powars, D.S., Gohn, G.S., and Goldman, M.R., 2002, High-resolution seismic reflection survey of the southwestern margin of the Chesapeake Bay impact structure, Virginia [abs.]: Eos, Transactions, American Geophysical Union, v. 83, no. 19, spring meeting supplement of 7 May 2002, Abstract T21A-05, p. S352. (Also available online at http://www.agu.org/meetings/waissm02.html)
7. Catchings, R.D., Powars, D.S., Gohn, G.S., Goldman, M.R., Gandhok, G., and Johnson, G.H., 2001, Subsurface images of the annular trough of the Chesapeake Bay impact structure, Virginia, from seismic reflection/ refraction data [abs.]: Lunar and Planetary Science Conference, 32d, Houston, Tex., March 12-16, 2001, Abstract 1937, available online at http://www.lpi.usra.edu/meetings/1psc2001/pdf/1937.pdf
8. Catchings, R.D., Saulter, D.E., Powars, D.S., Goldman, M.R., Dingler, J.A., Gohn, G.S., Schindler, J.S., and Johnson, G.H., 2001, High-resolution seismic reflection/refraction images near the outer margin of the Chesapeake Bay impact crater, York-James Peninsula, southeastern Virginia: U.S. Geological Survey Open-File Report 01-407, 18 p., available only online at http://geopubs.wr.usgs.gov/open-file/ of01-407/
9. Cederstrom, D.J., 1943, Chloride in ground water in the coastal plain of Virginia: Virginia Geological Survey Bulletin 58, 36 p.
10. Cederstrom, D.J., 1945a, Geology and ground-water resources of the coastal plain in southeastern Virginia: Virginia Geological Survey Bulletin 63, 384 p.
11. Cederstrom, D.J., 1945b, Selected well logs in the Virginia Coastal Plain north of James River: Virginia Geological Survey Circular 3, 81 p.
12. Cederstrom, D.J., 1945c, Structural geology of southeastern Virginia: American Association of Petroleum Geologists Bulletin, v. 29, no. 1, p. 71-95.
13. Cederstrom, D.J., 1946, Chemical character of ground water in the coastal plain of Virginia: Virginia Geological Survey Bulletin 68, 62 p.
14. Cederstrom, D.J., 1957, Geology and ground-water resources of the York-James Peninsula, Virginia: U.S. Geological Survey Water-Supply Paper 1361, 237 p.
15. Coch, N.K., 1971, Geology of the Newport News South and Bowers Hill quadrangles, Virginia: Virginia Division of Mineral Resources Report of Investigation 28, 26p., 2 oversize maps.
16. Crawford, D.A., 2002, A computational model of the Chesapeake Bay impact [abs.]: Geological Society of America Abstract with Program, v. 34, no. 6, p. 465.
17. Daniels, D.L., and Leo, G.W., 1985, Geologic interpretation of basement rocks of the Atlantic Coastal Plain: U.S. Geological Survey Open-File Report 85-655, 45 p., 4 oversize pls.
18. Earth Impact Database, 2003 [a resource maintained by the Planetary and Space Science Centre at the University of New Brunswick, Canada]: available online at http://www.unb.ca/passc/ImpactDatabase/ (Accessed June 2, 2003.)
19. Edwards, L.E., Frederiksen, N.O., Self-Trail, J.M., and Poag, C.W., 2002, Paleontology of crater-fill deposits, Chesapeake Bay impact structure, Virginia [abs.]: Geological Society of America Abstract with Programs, v. 34, no. 6, p. 465-466.
20. Edwards, L.E., and Powars, D.S., 2003, Impact damage to dinocysts from the late Eocene Chesapeake Bay event: Palaios, v. 18, no. 3, p. 275-285. (Also available online at http://www.bioone.org/pdfserv/ i0883-1351-018-03-0275.pdf)
21. Edwards, L.E., and Self-Trail, J. M., 2002, Shocking news - Impact effect on marine microfossils, Chesapeake Bay impact structure, Virginia [abs.]: Eos, Transactions, American Geophysical Union, v. 83, no. 19, spring meeting supplement of 7 May 2002, Abstract T21A-04, p. S351. (Also Available online at http://www.agu.org/meetings/waissm02.html)
22. Emery, K.O., and Uchupi, Elazar, 1972, Western North Atlantic Ocean; Topography, rocks, structure, water, life, and sediments: American Association of Petroleum Geologists Memoir 17, 532 p.
23. Emry, Scott, McFarland, E.R., and Powars, D.S., 2002, Societal implications of an impact crater - Chesapeake Bay impact structure, Virginia [abs.]: Eos, Transactions, American Geophysical Union, v. 83, no. 19, spring meeting supplement of 7 May 2002, Abstract T21A-01, p. S351. (Also available online at http://www.agu.org/meetings/ waissm02.html)
24. French, B.M., 1998, Traces of catastrophe; A handbook of shock-metamorphic effects in terrestrial meteorite impact structures: Houston, Tex., Lunar and Planetary Institute, LPI Contribution No. 954, 120 p.
25. Gibson, T.G., and Bybell, L.M,, 1994, Paleogene stratigraphy of the Solomons Island, Maryland corehole: U.S. Geological Survey Open-File Report 94-708, 39 p.
26. Glass, B.P., 1989, North American tektite debris and impact ejecta from DSDP Site 612: Meteoritics, v. 24, no. 4, p. 209-218.
27. Glass, B.P., 2002, Distal impact ejecta from the Chesapeake Bay impact structure [abs.]: Geological Society of America Abstracts with Programs, v. 34, no. 6, p. 466.
28. Glover, Lynn, III, and Klitgord, K.D., chief compilers, 1995, Continent-ocean transect E-3, southwestern Pennsylvania to Baltimore Canyon trough: Boulder, Colo., Geological Society of America, 78-p. pamphlet, 2 sheets, scale about 1:625,000.
29. Gohn, G.S., Bruce, T.S., Catchings, R.D., Emry, S.R., Johnson, G.H., Levine, J.S., McFarland, E.R., Poag, C.W., and Powars, D.S., 2001, Integrated geologic, hydrologic, and geophysical investigations of the Chesapeake Bay impact structure, Virginia, USA; A multi-agency program [abs.]: Lunar and Planetary Science Conference, 32d, Houston, Tex., March 12-16, 2001, Abstract 1901, available online at http://www.lpi.usra.edu/meeting/lpsc2001/pdf/1901.pdf
30. Gohn, G.S., Clark, A.C., Queen, D.G., Levine, J.S., McFarland, E.R., and Powars, D.S., 2001, Operational summary for the USGS-NASA Langley corehole, Hampton, Virginia: U.S. Geological Survey Open-File Report 01-87-A, 21 p., available online at http://pubs.usgs.gov/of/2001/ of01-087/
31. Gohn, G.S., Powars, D.S., Bruce, T.S., Quick, J.E., and Catchings, R.D., 2002, Geologic constraints on modeling of complex-crater collapse; Data from the Chesapeake Bay impact structure, Virginia [abs.]: Eos, Transactions, American Geophysical Union, v. 83, no. 19, spring meeting supplement of 7 May 2002, Abstract T21A-07, p. S352. (Also available online at http://www.agu.org/meetings/waissm02.html)
32. Gohn, G.S., Powars, D.S., Bruce, T.S., Self-Trail, J.M., Weems, R.E., Edwards, L.E., Horton, J.W., Jr., Izett, G.A., and Johnson, G.H., 2001, Preliminary interpretation of the USGS-NASA Langley corehole, Chesapeake Bay impact structure, York-James Peninsula, Hampton, VA [abs.]: Geological Society of America Abstracts with Programs, v. 33, no. 2, p. A-24.
33. Gohn, G.S., Powars, D.S., Quick, J.E., Horton, J.W., Jr., and Catchings, R.D., 2002, Variation of impact response with depth and lithology, outer annular trough of the Chesapeake Bay impact structure, Virginia Coastal Plain [abs.]: Geological Society of America Abstracts with Programs, v. 34, no. 6, p. 465.
34. Hampton Roads Planning District Commission, 1999, 35 million year-old meteor crater affects the region's ground water: Chesapeake, Va., Hampton Roads Planning District Commission, Environmental Planning Special Report, Issue 2, October 1999, p. 2-5. (Also available online at http://www.hrpdc.org/publications/specialreports/groundwater.pdf)
35. Haq, B.U., Hardenbol, Jan, and Vail, P.R., 1988, Mesozoic and Cenozoic chronostratigraphy and cycles of sea-level change, in Wilgus, C.K., Hastings, B.S., Ross, C.A., Posamentier, H.W., Van Wagoner, John, and Kendall, C.G.St.C., eds., Sea-level changes - An integrated approach: Society of Economic Paleontologists and Mineralogists Special Publication 42, p. 71-108.
36. Horton, J.W., Jr., Aleinikoff, J.N., Izett, G.A., Naeser, C.W., and Naeser, N.D., 2001, Crystalline rocks from the first corehole to basement in the Chesapeake Bay impact structure, Hampton, Virginia [abs.]: Geological Society of America Abstracts with Programs, v. 33, no. 6, p. A-448.
37. Horton, J.W., Jr., Aleinikoff, J.N., Izett, G.A., Naeser, N.D., Naeser, C.W., and Kunk, M.J., 2002, Crystalline basement and impact-derived clasts from three coreholes in the Chesapeake Bay impact structure, southeastern Virginia [abs.]: Eos, Transactions, American Geophysical Union, v. 83, no. 19, spring meeting supplement of 7 May 2002, Abstract T21A-03, p. S351. (Also available online at http://www.agu.org/meetings/ waissm02.html)
38. Horton, J.W., Jr., Drake, A.A., Jr., Rankin, D.W., and Dallmeyer, R.D., 1991, Preliminary tectonostratigraphic terrane map of the central and southern Appalachians: U.S. Geological Survey Miscellaneous Investigations Series Map I-2163, scale 1:2,000,000.
39. Horton, J.W., Jr., Gohn, G.S., Edwards, L.E., Self-Trail, J.M., Powars, D.S., Kunk, M.J., and Izett, G.A., 2003, Recent research in the Chesapeake Bay impact crater, USA - Part 2. Reworked ejecta and impact debris [abs.]: International Conference on Large Meteorite Impacts, 3d, Noerdlingen, Germany, August 5-7, 2003, Abstract 4051, available online at http://www.lpi.usra.edu/meetings/largeimpacts2003/pdf/4051.pdf
40. Horton, J.W., Jr., Kunk, M.J., Naeser, C.W., Naeser, N.D., Aleinikoff, J.N., and Izett, G.A., 2002, Petrography, geochronology, and significance of crystalline basement rocks and impact-derived clasts in the Chesapeake Bay impact structure, southeastern Virginia [abs.]: Geological Society of America Abstracts with Programs, v. 34, no. 6, p. 466.
41. Johnson, G.H., 1969, Guidebook to the geology of the lower York-James Peninsula and south bank of the James River: Williamsburg, Va., College of William and Mary, Department of Geology Guidebook 1, 33 p.
42. Johnson, G.H., Kruse, S.E., Vaughn, A.W., Lucey, J.K., Hobbs, C.H., III, and Powars, D.S., 1998, Postimpact deformation associated with the late Eocene Chesapeake Bay impact structure in southeastern Virginia: Geology, v. 26, no. 6, p. 507-510.
43. Johnson, G.H., Powars, D.S., and Bruce, T.S., 2000, Stratigraphic and geohydrologic anomalies around the Chesapeake Bay impact structure, eastern Virginia [abs.]: Geological Society of America Abstracts with Programs, v. 32, no. 2, p. A-28.
44. Johnson, G.H., Powars, D.S., Bruce, T.S., Beach, T.A., Harris, M.S., and Goodwin, B.K., 2001, Post-impact effects of the Eocene Chesapeake Bay impact, lower York-James Peninsula, Virginia: Virginia Geological Field Conference, 31st, Williamsburg, Virginia, October 19 and 20, 2001 [Guidebook], 40 p.
45. Johnson, G.H., Ward, L.W., and Peebles, P.C., 1987, Stratigraphy and paleontology of Pliocene and Pleistocene deposits of southeastern Virginia, in Whittecar, G.R., ed., Geological excursions in Virginia and North Carolina - Geological Society of America, Southeastern Section, 36th Annual Meeting, 1987, Guidebook, Field Trips nos. 1-7: Norfolk, Va., Old Dominion University, Department of Geological Sciences, p. 189-218.
46. Klitgord, K.D., Hutchinson, D.R., and Schouten, Hans, 1988, U.S. Atlantic continental margin; Structural and tectonic framework, in Sheridan, R.E., and Grow, J.A., eds., The Atlantic continental margin, U.S., v. 1-2 of The geology of North America: Boulder, Colo., Geological Society of America, p. 19-56.
47. Koeberl, Christian, Kruger, F.J., and Poag, C.W., 2001, Geochemistry of surficial sediments near the Chesapeake Bay impact structure and the search for source rocks of the North American tektites [abs.]: Lunar and Planetary Science Conference, 32d, Houston, Tex., March 12-16, 2001, Abstract 1333, available online at http://www.lpi.usra.edu/meetings/ lpsc2001/Pdf/1333.pdf
48. Koeberl, Christian, Poag, C.W., Reimold, W.U., and Brandt, Dion, 1996, Impact origin of the Chesapeake Bay structure and the source of the North American tektites: Science, v. 271, no. 5253, p. 1263-1266.
49. Kominz, M.A., Miller, K.G., and Browning, J.V., 1998, Long-term and short-term global Cenozoic sea-level estimates: Geology, v. 26, no. 4, p. 311-314.
50. Laczniak, R.J., and Meng, A.A., III, 1988, Ground-water resources of the York-James Peninsula of Virginia: U.S. Geological Survey Water-Resources Investigations Report 88-4059, 178 p.
51. Lefort, J.-P., and Max, M.D., 1991, Is there an Archean crust beneath Chesapeake Bay?: Tectonics, v. 10, no. 1, p. 213-226.
52. McFarland, E.R., 2002, Hydrochemical evidence for the origin of the elevated ground-water salinity in the Chesapeake Bay impact structure, southeastern Virginia [abs.]: Geological Society of America Abstracts with Programs, v. 34, no. 6, p. 466.
53. McFarland, E.R., and Bruce, Scott, 2002, Distribution, origin, and relations to flow of salty ground water along the western margin of the Chesapeake Bay impact structure in eastern Virginia [abs.]: Eos, Transactions, American Geophysical Union, v. 83, no. 19, spring meeting supplement of 7 May 2002, Abstract T21A-08, p. S352. (Also available online at http://www.agu.org/meetings/waissm02.html)
54. Melosh, H.J., 1989, Impact cratering - A geologic process: New York, Oxford University Press, 245 p.
55. Meng, A.A., III, and Harsh, J.F., 1988, Hydrogeologic framework of the Virginia Coastal Plain: U.S. Geological Survey Professional Paper 1404-C, p. C1-C82, 4 oversize pls.
56. Mixon, R.B., Berquist, C.R., Newell, W.L., Johnson G.H., Powars, D.S., Schindler, J.S., and Rader, E.K., 1989, Geologic map and generalized cross sections of the Coastal Plain and adjacent parts of the Piedmont, Virginia: U.S. Geological Survey Miscellaneous Investigations Series Map I-2033, 2 sheets, scale 1:250,000.
57. Oaks, R.Q., Jr., and Coch, N.K., 1973, Post-Miocene stratigraphy and morphology, southeastern Virginia: Virginia Division of Mineral Resources Bulletin 82, 135 p.
58. Obradovich, J.D., Snee, L.W., and Izett, G.A., 1989, Is there more than one glassy impact layer in the late Eocene? [abs.]: Geological Society of America Abstracts with Programs, v. 21, no. 6, p. A134.
59. Ormö, Jens, Shuvalov, V.V., and Lindström, Maurits, 2002, Numerical modeling for target water depth estimation of marine-target impact craters: Journal of Geophysical Research, v. 107, no. E12, 9 p. (5120). (Also available online at http://www.agu.org/pubs/crossref/2002/ 2002JE001865.shtml)
60. Pekar, S.F., Christie-Blick, Nicholas, Kominz, M.A., and Miller, K.G., 2001, Evaluating the stratigraphic response to eustasy from Oligocene strata in New Jersey: Geology, v. 29, no. 1, p. 55-58.
61. Poag, C.W., 1989, Foraminiferal stratigraphy and paleoenvironments of Cenozoic strata cored near Haynesville, Virginia, chap. D of Mixon, R.B., ed., Geology and paleontology of the Haynesville cores - Northeastern Virginia Coastal Plain: U.S. Geological Survey Professional Paper 1489, p. D1-D20, 5 pls.
62. Poag, C.W., 1996, Structural outer rim of Chesapeake Bay impact crater - Seismic and borehole evidence: Meteoritics & Planetary Science, v. 31, no. 2, p. 218-226.
63. Poag, C.W., 1997, The Chesapeake Bay bolide impact; A convulsive event in Atlantic Coastal Plain evolution: Sedimentary Geology, v. 108, no. 1-4, p. 45-90.
64. Poag, C.W., 1999, Chesapeake invader; Discovering America's giant meteorite crater: Princeton, N.J., Princeton University Press, 183 p.
65. Poag, C.W., 2000, Nature and distribution of deposits derived from the Chesapeake Bay submarine impact [abs.]: Geological Society of America Abstracts with Programs, v. 32, no. 7, p. A-163.
66. Poag, C.W., 2002a, Biospheric consequences of the Chesapeake Bay bolide impact [abs.]: Geological Society of America Abstracts with Programs, v. 34, no. 6, p. 467.
67. Poag, C.W., 2002b, Structure and morphology of the Chesapeake Bay submarine impact crater [abs]: Geological Society of America Abstracts with Programs, v. 34, no. 6, p. 465.
68. Poag, C.W., 2002c, Synimpact-postimpact transition inside Chesapeake Bay crater: Geology, v. 30, no. 11, p. 995-998.
69. Poag, C.W., 2002d, Tsunamis and hypercanes; Late-stage impact depositional systems at Chesapeake Bay [abs.]: Eos, Transactions, American Geophysical Union, v. 83, no. 19, spring meeting supplement of 7 May 2002, Abstract T21A-06, p. S352. (Also available online at http://www.agu.org/meetings/waissm02.html)
70. Poag, C.W., and Aubry, M.-P., 1995, Upper Eocene impactites of the U.S. East Coast; Depositional origins, biostratigraphic framework, and correlation: Palaios, v. 10, no. 1, p. 16-43.
71. Poag, C.W., and the Chesapeake Coring Team, 2001, Drilling to basement inside the Chesapeake Bay crater [abs.]: Lunar and Planetary Science Conference, 32d, Houston, Tex., March 12-16, 2001, Abstract 1203, available online at http://www.lpi.usra.edu/meetings/lpsc2001/pdf/ 1203.pdf
72. Poag, C.W., Gohn, G.S., and Powars, D.S., 2001, From shocked basement to fallout spherules; The coring record at the Chesapeake Bay crater [abs.]: Geological Society of America Abstracts with Programs, v. 33, no. 6, p. A-433.
73. Poag, C.W., Gohn, G.S., and Powars, D.S., 2002, Chesapeake Bay impact crater; Seismostratigraphy and lithostratigraphy of displaced sedimentary megablocks [abs.]: Lunar and Planetary Science Conference, 33d, League City, Tex., March 11-15, 2002, Abstract 1019, available online at http://www.lpi.usra.edu/meetings/lpsc2002/Pdf/1019.pdf
74. Poag, C.W., Hutchinson, D.R., Colman, S.M., and Lee, M.W., 1999, Seismic expression of the Chesapeake Bay impact crater; Structural and morphologic refinements based on new seismic data, in Dressler, B.O., and Sharpton, V.L., eds., Large meteorite impacts and planetary evolution; II: Geological Society of America Special Paper 339, p. 149-164.
75. Poag, C.W., Koeberl, Christian, and Reimold, W.U., 2004, The Chesapeake Bay crater - Geology and geophysics of a late Eocene submarine impact structure: New York, Springer-Verlag, 522 p. plus CD-ROM.
76. Poag, C.W., Plescia, J.B., and Molzer, P.C., 1999, Chesapeake Bay impact structure; Geology and geophysics [abs.], in Gersonde, Rainer, and Deutsch, Alexander, eds., Oceanic impacts; Mechanisms and environmental perturbations; ESF-IMPACT Workshop, April 15-April 17, 1999, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany, Abstracts: Berichte zur Polarforschung (Reports on Polar Research), v. 343, p. 79-83.
77. Poag, C.W., Plescia, J.B., and Molzer, P.C., 2002, Ancient impact structures on modern continental shelves; The Chesapeake Bay, Montagnais, and Toms Canyon craters, Atlantic margin of North America: Deep-Sea Research Part II - Topical Studies in Oceanography, v. 49, no. 6, p. 1081-1102.
78. Poag, C.W., Powars, D.S., Mixon, R.B., Edwards, L.E., Folger, D.W., Poppe, L.J., and Bruce, Scott, 1991, An upper Eocene impact-wave(?) deposit beneath Chesapeake Bay [abs.]: Geological Society of America Abstracts with Programs, v. 23, no. 5, p. A460.
79. Poag, C.W., Powars, D.S., Poppe, L.J., and Mixon, R.B., 1994, Meteoroid mayhem in Ole Virginny - Source of the North American tektite strewn field: Geology, v. 22, no. 8, p. 691-694.
80. Poag, C.W., Powars, D.S., Poppe, L.J., Mixon, R.B., Edwards, L.E., Folger, D.W., and Bruce, Scott, 1992, Deep Sea Drilling Project Site 612 bolide event - New evidence of a late Eocene impact-wave deposit and a possible impact site, U.S. East Coast: Geology, v. 20, no. 9, p. 771-774.
81. Powars, D.S., 2000, The effects of the Chesapeake Bay impact crater on the geologic framework and the correlation of hydrogeologic units of southeastern Virginia, south of the James River: U.S. Geological Survey Professional Paper 1622, 53 p., 1 oversize pl. (Also available online at http://pubs.usgs.gov/prof/p1622/)
82. Powars, D.S., and Bruce, T.S., 1999, The effects of the Chesapeake Bay impact crater on the geological framework and correlation of hydrogeologic units of the lower York-James Peninsula, Virginia: U.S. Geological Survey Professional Paper 1612, 82 p., 9 oversize pls. (Also available online at http://pubs.usgs.gov/prof/pl6l2/)
83. Powars, D.S., Bruce, T.S., Bybell, L.M., Cronin, T.M., Edwards, L.E., Frederiksen, N.O., Gohn, G.S., Horton, J.W., Jr., Izett, G.A., Johnson, G.H., Levine, J.S., McFarland, E.R., Poag, C.W., Quick, J.E., Schindler, J.S., Self-Trail, J.M., Smith, M.J., Stamm, R.G., and Weems, R.E., 2001, Preliminary geologic summary for the USGS-NASA Langley corehole, Hampton, Virginia: U.S. Geological Survey Open-File Report 01-87-B, 20 p., available online at http://pubs.usgs.gov/of/2001/of0l-087/
84. Powars, D.S., Bruce, Scott, Poag, C.W., and Mixon, R.B., 1994, Virginia's coastal plain inland saltwater wedge; A geohydrologic response to the Chesapeake Bay bolide impact [abs.]: Geological Society of America Abstracts with Programs, v. 26, no. 7, p. A-410.
85. Powars, D.S., Gohn, G.S., Bruce, T.S., Johnson, G.H., Catchings, R.D., Frederiksen, N.O., Edwards, L.E., Self-Trail, J.M., and Pierce, H.A., 2002, Distribution and origin of impact-generated debris; Western annular trough, Chesapeake Bay impact crater [abs.]: Eos, Transactions, American Geophysical Union, v. 83, no. 19, spring meeting supplement of 7 May 2002, Abstract T21A-02, p. S351. (Also available online at http://www.agu.org/meetings/waissm02.html)
86. Powars, D.S., Gohn, G.S., Catchings, R.D., Horton, J.W., Jr., and Edwards, L.E., 2003, Recent research in the Chesapeake Bay impact crater, USA - Part 1. Structure of the western annular trough and interpretation of multiple collapse structures [abs.]: International Conference on Large Meteorite Impacts, 3d, Noerdlingen, Germany, August 5-7, 2003, Abstract 4053, available online at http://www.lpi.usra.edu/ meetings/largeimpacts2003/pdf/4053.pdf
87. Powars, D.S., Gohn, G.S., Catchings, R.D., McFarland, E.R., Bruce, T.S., Johnson, G.H., Izett, G.A., Emry, S.R., and Edwards, L.E., 2001, Deep corehole and seismic reflection data provide insights into crater-filling processes and the hydrogeology of the outer margin of the Chesapeake Bay impact structure, eastern Virginia Coastal Plain, USA [abs.]: Lunar and Planetary Science Conference, 32d, Houston, Tex., March 12-16, 2001, Abstract 2183, available online at http://www.lpi.usra.edu/meetings/lpsc200l/pdf/2183.pdf
88. Powars, D.S., Gohn, G.S., Edwards, L.E., Bruce, T.S., Catchings, R.D., Emry, S.R., Johnson, G.H., Levine. J.S., Poag, C.W., and Pierce, H.A., 2001, Structure and composition of the southwestern margin of the buried Chesapeake Bay impact structure, Virginia [abs.]: Geological Society of America Abstracts with Programs, v. 33, no. 6, p. A-203.
89. Powars, D.S., Gohn, G.S., Edwards, L.E., Catchings, R.D., Bruce, T.S., Johnson, G.H., and Poag, C.W., 2002, Lithostratigraphic framework of the crater-fill deposits; Western annular trough, Chesapeake bay impact crater [abs.]: Geological Society of America Abstracts with Programs, v. 34, no. 6, p. 465.
90. Powars, D.S., Johnson, G.H., Bruce, T.S., and Edwards, L.E., 2001, The relation between the Chesapeake Bay impact structure and the structure and stratigraphy of Cenozoic deposits in eastern Virginia [abs.]: Geological Society of America Abstracts with Programs, v. 33, no. 2, p. A-76.
91. Powars, D.S., Johnson, G.H., Edwards, L.E., Horton, J.W., Jr., Gohn, G.S., Catchings, R.D., McFarland, E.R., Izett, G.A., Bruce, T.S., Levine, J.S., and Pierce, H.A., 2002, An expanded Chesapeake Bay impact structure, eastern Virginia; New corehole and geophysical data [abs.]: Lunar and Planetary Science Conference, 33d, League City, Tex., March 11-15, 2002, Abstract 1034, available online at http://www.lpi.usra.edu/ meetings/lpsc2002/Pdf/1034.pdf
92. Powars, D.S., Mixon, R.B., and Bruce, Scott, 1992, Uppermost Mesozoic and Cenozoic geologic cross section, outer coastal plain of Virginia, in Gohn, G.S., ed., Proceedings of the 1988 U.S. Geological Survey Workshop on the Geology and Geohydrology of the Atlantic Coastal Plain: U.S. Geological Survey Circular 1059, p. 85-101.
93. Powars, D.S., Mixon, R.B., Edwards, L.E., Andrews, G.W., and Ward, L.W., 1987, Evidence for Paleocene and lower Eocene pinch-outs on the north flank of the Norfolk arch, Eastern Shore of Virginia [abs.]: Geological Society of America Abstracts with Programs, v. 19, no, 2, p. 124.
94. Powars, D.S., Mixon, R.B., Edwards, L.E., Poag, C.W., and Bruce, Scott, 1990, Cross section of Cretaceous and Cenozoic strata, Norfolk arch to Salisbury basin, outer coastal plain of Virginia tabs.]: Geological Society of America Abstracts with Programs, v. 22, no. 4, p. 57.
95. Powars, D.S., Poag, C.W., and Mixon, R.B., 1993, The Chesapeake Bay "impact crater," stratigraphic and seismic evidence [abs.]: Geological Society of America Abstracts with Programs, v. 25, no. 6, p. A-378.
96. Powars, D.S., Quick, J.E., Bruce, T.S., Catchings, R.D., Emry, S.R., Gohn, G.S., Izett, G.A., Johnson, G.H., Levine, J.S., McFarland, E.R., and Poag, C.W., 2001, Structure and composition of the southwestern margin of the buried Chesapeake Bay impact structure [abs.], in Morgan, M.L., and Warme, J.E., Bolide impacts on wet targets: Geological Society of America Field Forum, Nevada and Utah, April 2001, not paginated.
97. Rankin, D.W., 1994, Continental margin of the eastern United States; Past and present, in Speed, R.C., ed., Phanerozoic evolution of North American continent-ocean transitions - The Decade of North American Geology summary volume to accompany the DNAG continent-ocean transect series: Boulder, Colo., Geological Society of America, p. 129-218.
98. Reimold, W.U., Koeberl, Christian, and Poag, C.W., 2002, Chesapeake Bay impact crater; Petrographic and geochemical investigations of the impact breccia fill [abs.]: Geological Society of America Abstracts with Programs, v. 34, no. 6, p. 466.
99. Sanford, Samuel, 1913, The underground water resources of the Coastal Plain Province of Virginia: Virginia Geological Survey Bulletin 5, 361 p., 1 pl.
100. Sanford, W.E., 2002, Possible hydrothermal. activity following the Chesapeake Bay bolide impact [abs.]: Geological Society of America Abstracts with Programs, v. 34, no. 6, p. 466.
101. Sanford, W.E., 2003, Heat flow and brine generation following the Chesapeake Bay bolide impact: Journal of Geochemical Exploration, v. 78-79, p. 243-247.
102. Self-Trail, J.M., 2003, Shock-wave-induced fracturing of calcareous nannofossils from the Chesapeake Bay impact crater: Geology, v. 31, no. 8, p. 697-700.
103. Sheridan, R.E., Maguire, T.J., Feigenson, M.D., Patino, L.C., and Volkert, R.A., 1999, Grenville age of basement rocks in Cape May, N.J. well - New evidence for Laurentian crust in U.S. Atlantic Coastal Plain basement Chesapeake terrane: Journal of Geodynamics, v. 27, no. 4-5, p. 623-633.
104. Shuvalov, V.V., Dypvik, H., and Tsikalas, F., 2002, Numerical modeling of the Mjølnir marine impact event [abs]: Lunar and Planetary Science Conference, 33d, League City, Tex., March 11-15, 2002, Abstract 1038, available online at http://www.lpi.usra.edu/meetings/lpsc2002/Pdf/ 1038.pdf
105. Steckler, M.S., Mountain, G.S., Miller, K.G., and Christie-Blick, Nicholas, 1999, Reconstruction of Tertiary progradation and clinoform. development on the New Jersey passive margin by 2-D backstripping: Marine Geology, v. 154, no. 1-4, p. 399-420.
106. Stewart, S.A., and Allen, P.J., 2002, A 20-km-diameter multiringed impact structure in the North Sea: Nature, v. 418, no. 6897, p. 520-523.
107. Tennant, Diane, 2001, A cosmic tale, reprinted from The Virginian-Pilot, June 24-30, 2001: Hampton Roads, Va., The Virginian-Pilot, 16 p.
108. U.S. Geological Survey, 1997, The Chesapeake Bay watershed [an image mosaic compiled from Landsat Thematic Mapper images collected from 1990 through 1994]: Reston, Va., U.S. Geological Survey poster, 1 sheet. (Also available online at http://chesapeake.usgs.gov/poster.html)
109. von Dalwigk, Ilka, and Ormö, Jens, 2001, Formation of resurge gullies at impacts at sea; The Lockne crater, Sweden: Meteoritics & Planetary Science, v. 36, no. 3, p. 359-369.
110. Vozoff, Keeva, 1991, The magnetotelluric method, chapter 8 in Nabighian, M.N., and Corbett, J.D., eds., Electromagnetic methods in applied geophysics: Society of Exploration Geophysicists Investigations in Geophysics no. 3, v. 2 (Applications), pt. A, p. 641-712.
111. Ward, L.W., 1984, Stratigraphy of outcropping Tertiary beds along the Pamunkey River, central Virginia Coastal Plain, in Ward, L.W., and Krafft, Kathleen, eds., Stratigraphy and paleontology of the outcropping Tertiary beds in the Pamunkey River region, central Virginia Coastal Plain - Guidebook for Atlantic Coastal Plain Geological Association Field Trip, October 6-7, 1984: Atlantic Coastal Plain Geological Association, p. 11-77, 12 pls.