Hi Lee, Yes, the event you suggest is what we also suspect. This image is relatively new, but we have also been trading around a couple of other instances of an apparently similar crater breaching of subsurface cavity. A colleague in London recently sent me another entry into the Martian Cave sweepstakes!
BTW, on a related note, we are holding a Planetary Caves workshop at the NCKRI Headquarters from 25-28 October to consider the whole range of extraterrestrial cave issues for Mars and other bodies. Here is the website if anyone is interested. http://www.lpi.usra.edu/meetings/caves2011/ Cheers, Penny Boston On Aug 18, 2011, at 11:23 AM, Lee H. Skinner wrote: > Could this entrance have been triggered by a meteor falling over a lava tube? > > http://hirise.lpl.arizona.edu/ESP_023531_1840 > > and click on this one in your browser for maximum detail: > > http://hirise.lpl.arizona.edu/images/2011/details/cut/ESP_023531_1840.jpg > > Lee Skinner > > _______________________________________________ > SWR mailing list > [email protected] > http://caver.net/mailman/listinfo/swr_caver.net _______________________________________________ SWR mailing list [email protected] http://caver.net/mailman/listinfo/swr_caver.net
