Gareth Collins Ph. D., 2002, Imperial College, University of London, U.K. B.Sc., Geophysics, 1998, University of Liverpool, U.K.

Biography

• NERC Research Fellow (EMS), Imperial College London, 2004-
• Research Associate, Lunar and Planetary Lab., University of Arizona, 2002-2004.
• PhD Geology (Numerical Modelling of Large Impact Crater Collapse), Imperial College London, 1998-2002.
• BSc Geophysics (with Mathematics), University of Liverpool, 1995-1998.

Research Interests

• Environmental consequences of impacts on Earth
• Modelling impact cratering on Earth
  • Chicxulub impact structure and peak ring formation
  • Chesapeake Bay impact structure
  • Putative Silverpit impact structure
• Impact cratering on the early moon: the South Pole-Aitkin Basin
• Impact cratering on the icy satellites
• The mechanics of sturzstroms (long-runout rock avalanches)
• Simulating rock strength and rheology in violent geologic events

Selected Recent Publications (for a complete list click here):

Wünnemann K, Collins, G. S. and Melosh, H. J., 2006, A strain-based porosity model for use in hydrocode simulations of impacts and implications for transient crater growth in porous targets, Icarus, 180 (2): 514-527, doi:10.1016/j.icarus.2005.10.013.

Collins G. S., Wünnemann K, 2005, How big was the Chesapeake Bay impact? Insight from numerical modeling, Geology, Vol: 33, Pages: 925 - 928, ISSN: 0091-7613

Collins G. S., Melosh HJ, Marcus RA, 2005, Earth impact effects program: a web-based computer program for calculating the regional environmental consequences of a meteoroid impact on Earth, Meteoritics & Planetary Science, Vol: 40, Pages: 817 - 840, ISSN: 1086-9379

Melosh, H. J. and Collins, G. S., 2005, Meteor Crater formed by low-velocity impact, Nature, 434: 157.

Collins, G. S., Melosh, H. J. and Ivanov, B. A. 2004, Modeling damage and deformation in impact simulations, Meteoritics and Planetary Science, 39 2:217-231.

Collins, G. S. and Melosh, H. J., 2003, Acoustic Fluidization and the Extraordinary Mobility of Sturzstroms, J. Geophys. Res., 108 B10, 2473, doi:10.1029/2003JB002465.

Collins, G. S., Melosh, H. J., Morgan, J. V., and Warner, M. R., 2002, Hydrocode Simulations of Chicxulub Crater Collapse and Peak-Ring Formation, Icarus, 157, 24-33.

Research Groups:

Collaborators:

Prof. H. Jay Melosh
Prof. Chris Pain
Dr. Joanna Morgan
Dr. Kai Wunnemann