Re: Volcanic cooling - Physics anyone?

Arthur V. Chadwick (
Sat, 01 Mar 1997 12:58:19 -0800

Permit me to try again...

Glen asks:

>Is metasomism endothermic or exothermic?

Most probably endothermic since it involves crystallization. Since the
process is not well understood, I don't think those kinds of analyses have
been done, but an enriched aqueous solution is believed to participate in
the process.