[Rockhounds] Using Helium to Locate Geothermal Energy Resources

[Kreigh Tomaszewski]

http://www.eurekalert.org/pub_releases/2007-11/asu-hip113007.php

The article talks about using the He3/He4 isotope ratio to identify
surface water that has contact with water from the mantle to identify
geothermal resouces without having to drill. They also identified a
correlation of isotope ratios with deformation of the underlying rock.

It struck me that areas where you have fluids flowing in mantle rock
under deformation tend to leave interesting minerals behind. So grab
your portable mass spec next time you are heading into the field to look
for a likely area to collect in.		;-}

Kreigh