Land Side-by-Side Craters, Chad

Land Side-by-Side Craters, Chad

Side-by-Side Craters Formed in Very Different Ways
http://earthobservatory.nasa.gov/IOTD/view.php?id=76894
http://eoimages.gsfc.nasa.gov/images/imagerecords/76000/76894/ISS030-E-005456_lrg.jpg
http://www.ouramazingplanet.com/2240-side-side-craters-formation.html

Aorounga Impact Crater
http://en.wikipedia.org/wiki/Aorounga_crater
http://earthobservatory.nasa.gov/IOTD/view.php?id=39727

Emi Koussi Volcano
http://en.wikipedia.org/wiki/Emi_Koussi
http://earthobservatory.nasa.gov/IOTD/view.php?id=3023

Yours,

Paul H.