Results of the Workshop on Impact Cratering:
Building a Bridge Between Modeling and Observations


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Provided below are links to the summaries and transcripts of sessions, abstracts associated with each presentation, and electronic presentation files where available.


FRIDAY, FEBRUARY 7, 2003

OPENING SESSION
8:30 a.m., Lecture Hall

Workshop Overview and Future Directions

Transcript of Session

Melosh H. J. *     [INVITED]
Modeling Meteorite Impacts:   What We Know and What We Would Like to Know
     Abstract
     Presentation

Grieve R. A. F. *     [INVITED]
Observations of the Terrestrial Impact Cratering Record
     Abstract
     Stand-In Presentation by R. Herrick

ROCK PROPERTIES THAT NEED TO BE KNOWN FOR THEORETICAL MODELING
10:15 a.m., Lecture Hall

Summary of Session

Transcript of Session

Holsapple K. A. *     [INVITED]
What Do We Need to Know to Model Impact Processes?
     Abstract
     Presentation

Spray J. G. *     [INVITED]
Mechanisms of In Situ Rock Displacement During Hypervelocity Impact:    Field and Microscopic Observations
     Abstract

PANEL DISCUSSION
Panel:  K. Holsapple, J. Spray, T. Ahrens, E. Pierazzo

EFFECTS OF TARGET PROPERTIES ON THE CRATERING PROCESS
1:30 p.m., Lecture Hall

Summary of Session

Transcript of Session

Housen K. R. *     [INVITED]
Effects of Target Properties on the Cratering Process
     Abstract
     Presentation

Schenk P. M. *     [INVITED]
Importance of Target Properties on Planetary Impact Craters, Both Simple and Complex
     Abstract

Ormö J. *     [INVITED]
Next Step in Marine Impact Studies:    Combining Geological Data with Numerical Simulations for Applications in Planetary Research
     Abstract
     Presentation

Crawford D. A. *     Barnouin-Jha O. S.
Application of Adaptive Mesh Refinement to the Simulation of Impacts in Complex Geometries and Heterogeneous Materials
     Abstract
     Presentation

Gisler G. *     Weaver R. P.     Mader C. L.     Gittings M. L.
Two- and Three-Dimensional Simulations of Asteroid Ocean Impacts
     Abstract
     Presentation

Holsapple K. A. *
Does Melt Volume Give the Signature of the Impactor?
     Abstract
     Presentation

Osinski G. R. *     Spray J. G.     Grieve R. A. F.
Impact Melting in Sedimentary Target Rocks?
     Abstract
     Presentation

POSTER SESSION AND RECEPTION
5:30–7:00 p.m., Great Room

Ai H.     Ahrens T. J.
Dynamic Tensile Strength of Crustal Rocks and Applications to Impact Cratering
     Abstract

Cassidy W. A.     Wright S. P.
Small Impact Craters in Argentine Loess:    A Step up from Modeling Experiments
     Abstract

Hagstrum J. T.
Antipodal Hotspots on Earth:    Are Major Deep-Ocean Impacts the Cause?
     Abstract

Halekas J. S.     Lin R. P.
Magnetic Fields of Lunar Impact Basins and Their Use in Constraining the Impact Process
     Abstract

Hargitai H.     Kereszturi A.
Pyroclastic Flows and Surges:    Possible Analogy for Crater Ejecta Deposition
     Abstract

Ivanov B. A.
Educational Experience in Numerical Modeling of Impact Cratering
     Abstract

Ivanov B. A.
Modification of ANEOS for Rocks in Compression
     Abstract

Karp T.     Artemieva N. A.     Milkereit B.
Seismic Investigation and Numerical Modeling of the Lake Bosumtwi Impact Crater
     Abstract

Kearsley A. T.     Graham G. A.     McDonnell J. A. M.     Bland P. A.     Hough R. M. Helps P. A.
Early Fracturing and Impact Residue Emplacement:   Can Modeling Help to Predict Their Location in Major Craters?
     Abstract

Kereszturi A.
Crater Basin Rebound Above Plastic Layers:    Model Based on Europa
     Abstract

Ohno S.     Sugita S.     Kadono T.     Hasegawa S.     Igarashi G.
Sulfur Chemistry in K/T-sized Impact Vapor Clouds
     Abstract

Onose N.     Fujiwara A.
Velocity Distributions of Fragments and Its Time Dependence
     Abstract
Velocity Distributions of Fragments in Oblique Impact Cratering on Gypsum
     Abstract

Schmitt H. H.
Impact Crater Morphology as a Guide to Regolith Structure at Taurus-Littrow
     Abstract

Versh E.     Jõeleht A.     Kirsimäe K.     Plado J.
Cooling of the Kärdla Impact Crater:    I. The Mineral Parasequence Observations
     Abstract

SATURDAY, FEBRUARY 8, 2003

THERMODYNAMICS OF IMPACT CRATERING AND DETERMINING IMPACTOR CHARACTERISTICS
8:30 a.m., Lecture Hall

Summary of Session

Transcript of Session

O'Keefe J. D. *     Ahrens T. J.     [INVITED]
Impact Induced Target Thermo-Mechanical States and Particle Motion Histories
     Abstract

Gibson R. L.. *     Reimold W. U.     [INVITED]
Thermal and Dynamic Consequences of Impact — Lessons from Large Impact Structures
     Abstract
     Presentation

Dence M. R. *     [INVITED]
WIRGO in TIC's? [What (on Earth) is Really Going on in Terrestrial Impact Craters?]
     Abstract
     Presentation

Koeberl C. *     [INVITED]
Using Geochemical Observations to Constrain Projectile Types in Impact Cratering
     Abstract

Ahrens T. J. *     O'Keefe J. D.     Stewart S. T.
Calculation of Planetary Impact Cratering to Late Times
     Abstract

Sugita S. *     Hamano K.     Kadono T.     Schultz P. H.     Matsui T.
Toward a Complete Measurement of the Thermodynamic State of an Impact-Induced Vapor Cloud
     Abstract
     Presentation

Gerasimov M. V. *     Dikov Yu. P.     Yakovlev O. I.
Experimental Modeling of Impact-Induced High-Temperature Processing of Silicates
     Abstract
     Presentation

Jõeleht A. *     Kirsimäe K.     Versh E.     Plado J.     Ivanov B.
Cooling of the Kärdla Impact Crater: II. Impact and Geothermal Modelling
     Abstract
     Presentation

Hagerty J. J.     Newsom H. E. *
Limits to the Presence of Impact-induced Hydrothermal Alteration in Small Impact Craters on the Earth: Implications for the Importance of Small Craters on Mars
     Abstract

EJECTA EMPLACEMENT AND OBLIQUE IMPACT EFFECTS
1:50 p.m., Lecture Hall

Summary of Session

Transcript of Session

Artemieva N. A. *     Pierazzo E.     [INVITED]
Oblique Impact and Its Ejecta — Numerical Modeling
     Abstract
     Presentation

Schultz P. H. *     [INVITED]
Atmospheric Effects and Oblique Impacts:    Comparing Laboratory Experiments
with Planetary Observations

     Abstract

Herrick R. R. *     Hessen K.
Constraints on the Impact Process from Observations of Oblique Impacts on the Terrestrial Planets
     Abstract

Anderson J. L. B. *     Schultz P. H.     Heineck J. T.
The Evolution of Oblique Impact Flow Fields Using Maxwell's Z Model
     Abstract

Haskin L. A. *     McKinnon W. B.
Thicknesses of and Primary Ejecta Fractions in Basin Ejecta Deposits
     Abstract
     Presentation

Macdonald F. A. *     Mitchell K.
Amelia Creek, Northern Territory:    A 20 × 12 km Oblique Impact Structure with No Central Uplift
     Abstract
     Presentation

SUNDAY, FEBRUARY 9, 2003

CREATION OF THE STRUCTURE OF COMPLEX CRATERS
8:30 a.m., Lecture Hall

Summary of Session

Transcript of Session

Sharpton V. L. *     Dressler B. O.     [INVITED]
Excavation Flow and Central Peak Rings:    Is There a Connection?
     Abstract
     Presentation

Collins G. S. *     Turtle E. P.     [INVITED]
Modeling Complex Crater Collapse
     Abstract
     Presentation

Ivanov B. A. *
Complex Crater Formation:   Verification of Numerical Models
     Abstract

Osinski G. R. *     Spray J. G.
Transient Crater Formation and Collapse:    Observations at the Haughton Impact Structure, Arctic Canada
     Abstract

McKinnon W. B. *     Schenk P. M.     Moore J. M.
Goldilocks and the Three Complex Crater Scaling Laws
     Abstract

Hildebrand A. R. *
Linking Experimental Modelling of Impact Craters to Structural Components of the Real Thing
     Abstract

Collins G. S.     Turtle E. P. *     Melosh H. J.
Numerical Simulations of Silverpit Crater Collapse:   A Comparison of Tekton and SALES 2
     Abstract
     Presentation

Plescia J. B. *
Application of Gravity Data to Understanding Impact Mechanics
     Abstract

Impromptu Presentation by H. J. Melosh on Strain in Impact Craters

CRATERING ON LOW-GRAVITY BODIES
1:30 p.m., Lecture Hall

Summary of Session

Transcript of Session

Chapman C. R. *     [INVITED]
Cratering on Small Bodies:    Lessons from Eros
     Abstract
     Presentation

Asphaug E. *     [INVITED]
Formation of Impact Craters on Comets and Asteroids:   How Little is Known
     Abstract
     Presentation

Onose N. *     Fujiwara A.
Velocity Distributions of Fragments and Its Time Dependence
     Abstract
     Presentation
Velocity Distributions of Fragments in Oblique Impact Cratering on Gypsum
     Abstract

END OF WORKSHOP


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