Upper Eocene impact horizon in east-central Georgia

Geology

Volumn 32, Issue 8, 2004, Pages 717-720

  Harris, R Scott ^a   Roden, Michael F ^a   Schroeder, Paul A ^a   Holland, Steven M ^a   Duncan, Mack S ^b   Albin, Edward F ^c  

^a UNIVERSITY OF GEORGIA   (United States)

^b JM Huber Corp   (United States)

^c Fernbank Science Center   (United States)

Author keywords

Atlantic Coastal Plain; Chesapeake Bay; Ejecta; Impacts; Metamorphism; Shock; Tektites

Indexed keywords

HYPERVELOCITY IMPACT; QUARTZ GRAINS; CHESAPEAKE BAY; COASTAL PLAIN; EJECTA; IMPACTS; SHOCK METAMORPHISM; TEKTITES;

COASTAL ZONES; DEFORMATION; ENVIRONMENTAL IMPACT; GRAIN SIZE AND SHAPE; SEDIMENTATION; REFRACTIVE INDEX;

GEOLOGY; QUARTZ;

EJECTA; EOCENE; IMPACT STRUCTURE; MASS EXTINCTION; SHOCK METAMORPHISM; TEKTITE; COASTAL PLAIN; DEFORMATION; IMPACT; QUARTZ; REFRACTIVE INDEX; SAND;

ATLANTIC COASTAL PLAIN; CHESAPEAKE BAY; GEORGIA; NORTH AMERICA; UNITED STATES;

EID: 4344615599     PISSN: 00917613     EISSN: None     Source Type: Journal    
DOI: 10.1130/G20562.1     Document Type: Article

References (43)

1. Albin, E.F., 1997, Georgiaites: Tektite geochemistry and stratigraphic occurrence in east-central Georgia [Ph.D. thesis]: Athens, University of Georgia, 302 p.
2. Albin, E.F., and Wampler, J.M., 1996, New potassium-argon ages for georgiaites and the upper Eocene Dry Branch Formation (Twiggs Clay Member): Inferences about tektite stratigraphic occurrence, in Abstracts of the 27th Lunar and Planetary Science Conference: Houston, Texas, Lunar and Planetary Institute, p. 5-6.
3. Albin, E.F., Norman, M.D., and Roden, M.F., 2000, Major and trace element compositions of georgiaites: Clues to the source of North American tektites: Meteoritics and Planetary Science, v. 35, p. 795-806.
4. Alexopoulos, J.S., Grieve, R.A.F., and Robertson, P.B., 1988, Microscopic lamellar deformation features in quartz: Discriminative characteristics of shock-generated varieties: Geology, v. 16, p. 796-799.
5. Berggren, W.A., Kent, D.V., Swisher, C.C., and Aubry, M.-P., 1995, A revised Cenozoic geochronology and chronostratigraphy, in Berggren, W.A., et al., eds., Geochronology, time scales and global stratigraphic correlation: SEPM (Society for Sedimentary Geology) Special Publication 54, p. 129-212.
6. Bohor, B.E., 1990, Shocked quartz and more: Impact signatures in Cretaceous-Tertiary boundary clays, in Sharpton, V.L., and Ward, P.D., eds., Global catastrophes in Earth history: Geological Society of America Special Paper 247, p. 335-347.
7. Carver, R.E., 1972, Stratigraphy of the Jackson Group in eastern Georgia: Southeastern Geology, v. 14, p. 153-181.
8. Engelhardt, W.V., and Bertsch, W., 1969, Shock induced planar deformation structures in quartz from the Ries crater: Contributions to Mineralogy and Petrology, v. 20, p. 203-234.
9. Farley, K.A., Montanari, A., Shoemaker, E.M., and Shoemaker, C., 1998, Geochemical evidence for a comet shower in the late Eocene: Science, v. 280, p. 1250-1253.
10. French, B.M., 1998, Traces of catastrophe: Houston, Texas, Lunar and Planetary Institute 120 p.
11. 39Ar laser-probe dating of North American tektite fragments from Barbados and the age of Eocene-Oligocene boundary: Chemical Geology, v. 59, p. 181-186.
12. Glass, B.P., Koeberl, C., Blum, J.D., Senftle, F., Izett, G.A., Evans, B.J., Thorpe, A.N., Povenmire, H., and Strange, R.L., 1995, A Muong Nong-type Georgia tektite: Geochimica et Cosmochimica Acta, v. 59, p. 4071-4082.
13. Glass, B.P., Liu, S., and Leavens, P.B., 2002, Reidite: An impact-produced high-pressure polymorph of zircon found in marine sediments: American Mineralogist, v. 87, p. 562-565.
14. Grieve, R.A.F., Langenhorst, F., and Stöffler, D., 1996, Shock metamorphism of quartz in nature and experiment: II. Significance in geoscience: Meteoritics and Planetary Science, v. 31, p. 6-35.
15. Harris, R.S., 2003, Evidence for impact-generated deposition on the late Eocene shores of Georgia [M.S. thesis]: Athens, University of Georgia, 118 p.
16. Horwath, R.M., 1990, Late Eocene and early Oligocene calcareous nannofossils and search for microtektites from central Georgia [M.S. thesis]: Athens, University of Georgia, 127 p.
17. Huddlestun, P.F., and Hetrick, J.H., 1986, Upper Eocene stratigraphy of central and eastern Georgia: Georgia Geological Survey Bulletin, v. 95, p. 1-78.
18. Hurst, V.J., and Pickering, S.M., 1989, Cretaceous-Tertiary strata and kaolin deposits in the inner Coastal Plain of Georgia, in Harris, W.B., et al., eds., Upper Cretaceous and Cenozoic geology of the southeastern Atlantic Coastal Plain: International Geologic Congress, 28th, Washington, D.C., Field Trip Guidebook T172, p. 2-22.
19. Ivany, L.C., Nesbit, E.A., and Prothero, D.R., 2003, The marine Eocene-Oligocene transition: A synthesis, in Prothero, D.R., et al., eds., From greenhouse to icehouse: The marine Eocene-Oligocene transition: New York, Columbia University, p. 523-534.
20. Koeberl, C., 1989, New estimates of area and mass for the North American tektite strewn field: Houston, Texas, Lunar and Planetary Science Conference Proceedings, v. 19, p. 745-751.
21. Koeberl, C., Poag, C.W., Reimold, W.U., and Brandt, D., 1996, Impact origin of the Chesapeake Bay structure and the source of the North American tektites: Science, v. 271, p. 1263-1268.
22. Kyte, F.T., 2003, Identification of late Eocene impact deposits at ODP Site 1090, in Gersonde, R., Hodell, D.A., and Blum, P., Proceedings of the Ocean Drilling Program, Scientific results, Volume 177: College Station, Texas, Ocean Drilling Program, p. 1-9.
23. Langenhorst, F., 1996, Characteristics of shocked quartz in late Eocene impact ejecta from Massignano (Ancona, Italy): Clues to shock conditions and source crater: Geology, v. 24, p. 487-490.
24. Martinez-Ruiz, F., Ortega-Huertas, M., Palomo, I., and Acquafredda, P., 1997, Quench textures in altered spherules from the Cretaceous-Tertiary boundary layer at Agost and Caravaca, SE Spain: Sedimentary Geology, v. 113, p. 137-147.
25. McGetchin, T.R., Settle, M., and Head, J.W., 1973, Radial thickness variation in impact crater ejecta: Implications for lunar deposits: Earth and Planetary Science Letters, v. 20, p. 226-236.
26. Montanari, A., and Koeberl, C., 2000, Impact stratigraphy: The Italian record: Berlin, Springer-Verlag, 364 p.
27. Parmley, D., and Holman, J.A., 2003, Nebrakophis Holman from the late Eocene of Georgia (USA), the oldest known North American colubrid snake: Acta Zoologica Cracoviensia, v. 46, p. 1-8.
28. Poag, C.W., and Aubry, M., 1995, Upper Eocene impactites of the U.S. east coast: Depositional origins, biostratigraphic framework, and correlation: Palaios, v. 10, p. 16-43.
29. 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, p. 691-694.
30. Poag, C.W., Mankinen, E., and Norris, R.D., 2003, Late Eocene impacts: Geologic record, correlation, and paleoenvironmental sequences, in Prothero, D.R., et al., eds., From greenhouse to icehouse: The marine Eocene-Oligocene transition: New York, Columbia University, p. 495-510.
31. Povenmire, H., 2002, The distribution of Georgia tektites: Meteoritics and Planetary Science, v. 37, p. A119.
32. Schneider, H., Vasudevan, R., and Hornemann, U., 1984, Deformation of experimentally shock-loaded quartz powders: X-ray line broadening studies: Physics and Chemistry of Minerals, v. 10, p. 142-147.
33. Schroeder, P.A., and Harris, R.S., 2004, X-ray powder diffraction evidence for shocked quartz in an upper Eocene sand deposit, Warren County, Georgia, U.S.A.: Southeastern Geology, v. 42, p. 145-150
34. Schroeder, P.A., and Shiflet, J., 2000, Ti-bearing phases in an east Georgia kaolin deposit: Clays and Clay Minerals, v. 48, p. 151-158.
35. Short, N.M., 1970, Progressive shock metamorphism of quartzite ejecta from the Sedan nuclear explosion crater: Journal of Geology, v. 78, p. 705-732.
36. Stöffler, D., and Langenhorst, F., 1994, Shock metamorphism of quartz in nature and experiment: I. Basic observation and theory: Meteoritics, v. 29, p. 155-181.
37. Stöffler, D., Wedekind, J., and Polkowski, G., 1975, Experimental hypervelocity impact into quartz sand: Distribution and shock metamorphism of ejecta: Journal of Geophysical Research, v. 80, p. 4062-4077.
38. Storzer, D., Wagner, G.A., and King, E.A., 1973, Fission track ages and stratigraphic occurrence of Georgia tektites: Journal of Geophysical Research, v. 78, p. 4915-4919.
39. Ward, L.W., 1989, Tertiary stratigraphy of the central Virginia Coastal Plain, in Harris, W.B., et al., eds., Upper Cretaceous and Cenozoic geology of the southeastern Atlantic Coastal Plain: International Geologic Congress, 28th, Washington, D.C., Field Trip Guidebook T172, p. 63-100.
40. Westgate, J., 2001, Paleoecology and biostratigrapby of marginal marine Gulf Coast Eocene vertebrate localities, in Gunnell, G.F., eds., Eocene biodiversity, unusual occurrences and rarely sampled habitats: New York, Kluwer Academic/Plenum, p. 263-297.
41. White, N.G., Dixon, J.B., Weaver, R.M., and Kunkle, A.C., 1991, Genesis and morphology of iron sulfides in gray kaolins: Clays and Clay Minerals, v. 39, p. 70-76.
42. Whitehead, J., Papanastassiou, D.A., Spray, J.G., Grieve, R.A.F., and Wasserburg, G.J., 2000, Late Eocene impact ejecta: Geochemical and isotopic connections with the Popigai impact structure: Earth and Planetary Science Letters, v. 181, p. 473-487.
43. Zwart, P.A., 1978, An investigation of the stratigraphic occurrence of Georgia tektites [M.S. thesis]: Newark, University of Delaware, 87 p.