Oblique impacts and peak ring position: Venus and Chicxulub
Article first published online: 15 APR 2008
Copyright 2008 by the American Geophysical Union.
Geophysical Research Letters
Volume 35, Issue 7, April 2008
How to Cite
2008), Oblique impacts and peak ring position: Venus and Chicxulub, Geophys. Res. Lett., 35, L07203, doi:10.1029/2008GL033346., , and (
- Issue published online: 15 APR 2008
- Article first published online: 15 APR 2008
- Manuscript Accepted: 5 MAR 2008
- Manuscript Revised: 22 FEB 2008
- Manuscript Received: 26 JAN 2008
- impact craters
 The circular peak ring of the Chicxulub impact crater is not concentric with the outer rim of the structure, as defined by both gravity and seismic data. Although this has been attributed to an oblique impact, and used to define the direction of impactor approach, different groups have suggested radically different approach azimuths based on the same data sets. We investigate the putative correlation between peak ring offset and impactor azimuth by examining a suite of 19 peak ring craters on Venus, for which the impactor's approach direction is known from their asymmetric external ejecta. We find no statistically significant correlation between peak ring offset and the azimuth of the impactor's approach.