[meteorite-list] Block Island

From: E.P. Grondine <epgrondine_at_meteoritecentral.com>
Date: Thu, 20 Aug 2009 09:29:25 -0700 (PDT)
Message-ID: <72848.55563.qm_at_web36906.mail.mud.yahoo.com>

Hi -

Yeah, blueberries where they are not supposed to be if they are water products.

Generally, molten impact rock and impactor will condense into a sphere, unless deformed by atmospheric interaction, in which case you get a tektite.

As Mars' atmosphere is close to a vacuum, my guess is that there were no convecting plumes on impacts, and what atmosphere there was nearby became a vacuum.

But that is just a guess. Elton, you have any insights into Martian hypervelocity impacts?

E.P. Grondine
Man and Impact in the Americas


      
Received on Thu 20 Aug 2009 12:29:25 PM PDT