what type of magma flows very quickly
http://www.google.com/#hl=en&source=hp&q=fastest+moving+magma&aq=f&aqi=&oq=&fp=cbc2f75bf9d43a8f
I'd start with the 2nd and 3rd links among these results, then read others, too.
I'd start with the 2nd and 3rd links among these results, then read others, too.