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Table of Contents - Special Paper 384

Large Meteorite Impacts III

Edited by: Thomas Kenkmann, Friedrich Hörz, and Alex Deutsch

Preface VII

Terrestrial Craters: Structure, Geophysics, and Cratering Motions
1. Impact structures: What does crater diameter mean?
E.P. Turtle, E. Pierazzo, G.S. Collins, G.R. Osinski, H.J. Melosh, J.V. Morgan, and W.U. Reimold		 1
2. Magnetization on impact structures — Constraints from numerical modeling and petrophysics
H.A. Ugalde, N. Artemieva, and B. Milkereit		 25
3. Using vertical dikes as a new approach to constraining the size of buried craters: An example from Lake Wanapitei, Canada
E. L’Heureux, H. Ugalde, B. Milkereit, J. Boyce, W. Morris, N. Eyles, and N. Artemieva		 43
4. Enhancement of magnetic signatures of impact structures
D.R. Cowan and G.R.J. Cooper		 51
5. Is Ries crater typical for its size? An analysis based upon old and new geophysical data and numerical modeling
K. Wünnemann, J.V. Morgan, and H. Jödicke		 67
6. Structure and formation of a central uplift: A case study at the Upheaval Dome impact crater, Utah
T. Kenkmann, A. Jahn, D. Scherler, and B.A. Ivanov		 85
7. Eastern rim of the Chesapeake Bay impact crater: Morphology, stratigraphy, and structure
C.W. Poag		 117
8. Original diameter and depth of erosion of the Popigai impact crater, Russia
V.L. Masaitis, M.V. Naumov, and M.S. Mashchak		 131
9. Topography over the Chicxulub impact crater from Shuttle Radar Topography Mission data
G.L. Kinsland, K.O. Pope, M.Hurtado Cardador, G.R.J. Cooper, D.R. Cowan, M. Kobrick, and G. Sanchez		 141

Terrestrial Craters: Ejecta Studies
10. Recent research on the Chesapeake Bay impact structure, USA — Impact debris and reworked ejecta
J.W. Horton Jr., J.N. Aleinikoff, M.J. Kunk, G.S. Gohn, L.E. Edwards, J.M. Self-Trail, D.S. Powars, and G.A. Izett		 147
11. Chicxulub impact ejecta deposits in southern Quintana Roo, México, and central Belize
K.O. Pope, A.C. Ocampo, A.G. Fischer, F.J. Vega, D.E. Ames, D.T. King Jr., B.W. Fouke, R.J. Wachtman, and G. Kletetschka		 171
12. Chicxulub impact ejecta from the Cretaceous-Paleogene (K-P) boundary in northeastern Mexico
P. Schulte and A. Kontny		 191
13. Stable isotope record of post-impact fluid activity in the core of the Yaxcopoil-1 borehole, Chicxulub impact structure, Mexico
L. Zurcher, D.A. Kring, M.D. Barton, D. Dettman, and M. Rollog		 223
14. Linking large impacts, gas hydrates, and carbon isotope excursions through widespread sediment liquefaction and continental slope failure: The example of the K-T boundary event
S. Day and M. Maslin		 239
15. Late Devonian Alamo Impact, southern Nevada, USA: Evidence of size, marine site, and widespread effects
J.R. Morrow, C.A Sandberg, and A.G. Harris		 259
16. Are there signs of a large Paleocene impact, preserved around Disko Bay, West Greenland? Nuussuaq spherule beds origin by impact instead of volcanic eruption?
A.P. Jones, A.T. Kearsley, C.R.L. Friend, E. Robin, A. Beard, A. Tamura, S. Trickett, and P. Claeys		 281

Shock Metamorphism
17. Distribution and origin of impact diamonds in the Ries crater, Germany
R.T. Schmitt, C. Lapke, C.M. Lingemann, M. Siebenschock, and D. Stöffler		 299
18. Planar microstructures and Dauphiné twins in shocked quartz from the Charlevoix impact structure, Canada
C.A. Trepmann and J.G. Spray		 315
19. Shock pressure distribution in the Vredefort impact structure, South Africa
R.L. Gibson and W.U. Reimold		 329
20. Evaporative differentiation of impact-produced melts: Laser-simulation experiments and comparison with impact glasses from the Logoisk crater
M.V. Gerasimov, O.I. Yakovlev, Yu.P. Dikov, and F. Wlotzka		 351
21. Geochemistry of target rocks, impact-melt particles, and metallic spherules from Meteor Crater, Arizona: Empirical evidence on the impact process
D.W. Mittlefehldt, F. Hörz, T.H. See, E.R.D. Scott, and S.A. Mertzman		 367
22. Shock metamorphism of siliceous volcanic rocks of the El'gygytgyn impact crater (Chukotka, Russia)
E.P. Gurov, C. Koeberl, W.U. Reimold, F. Brandstätter, and K. Amare		 391
23. Experimentally shock-loaded anhydrite: Unit-cell dimensions, microstrain, and domain size from X-ray powder diffraction
R. Skála, F.P. Hörz, and F. Langenhorst		 413

The Planetary Perspective
24. Giant impact-induced blow-off of primordial atmosphere
S. Ni and T.J. Ahrens		 427
25. A review of Martian impact crater ejecta structures and their implications for target properties
N.G. Barlow		 433
26. Starting conditions for hydrothermal systems underneath Martian craters: Hydrocode modeling
E. Pierazzo, N.A. Artemieva, and B.A. Ivanov		 443

Index		 459