Such a large impact means it had a high speed on impact and distintegrated.
David On Sun, Feb 24, 2013 at 5:29 AM, David Roberson <dlrober...@aol.com> wrote: > I visited it once and the story is that the meteorite came in at a steep > angle and is buried under one of the rims. > > Dave > > > > -----Original Message----- > From: mixent <mix...@bigpond.com> > To: vortex-l <vortex-l@eskimo.com> > Sent: Sat, Feb 23, 2013 10:51 pm > Subject: Re: [Vo]:rather big fragment of the Chelyabinsk is discovered > (fwd) > > In reply to Vorl Bek's message of Sat, 23 Feb 2013 19:27:07 -0500: > Hi, > [snip] > >And I have always wondered about Meteor Crater in Arizona; I never > >understood why a little digging did not expose a big chunk of > >extraterrestrial rock at the centre of the crater; but there is > >nothing. > > Maybe it went deeper and molten rock covered it, so all you see now in the > bottom of the crater is the cooled and solidified crust that was molten at the > time. > > Regards, > > Robin van Spaandonk > http://rvanspaa.freehostia.com/project.html > >
