[meteorite-list] Impact simulations

From: Steve Dunklee <steve.dunklee_at_meteoritecentral.com>
Date: Wed, 23 Jun 2010 09:44:29 -0700 (PDT)
Message-ID: <999105.5698.qm_at_web113901.mail.gq1.yahoo.com>

while at work I have observed impacts of rain drops on hydrated lime powder. When the raindrop lands on powdered lime several inches deep it just makes a crater. When it impacts on a thin layer of powder with a harder surface underneath like concrete. It makes a crater with a central uplift. I propose a crater with central uplift only occures where there is a softer surface material with a harder layer underneath. With the harder material being less than the diameter than the impactor under the surface. cheers Steve


      
Received on Wed 23 Jun 2010 12:44:29 PM PDT