Dear James,


I think your group has done more with molecular seives than any other.  C.
Romanek gave a nice presentation entitled "Stable isotope analysis of
diatomic oxygen gas from Quartz" in GSA Abstr. w/ Prog. 27, A-421.  Contact
him for more information about his technique.

Cheers,

Zach
Zachary Sharp
Institute of Mineralogy
University of Lausanne, BFSH-2
CH-1015 Lausanne
Switzerland