Parent Paper: The hydration and alteration of perlite and rhyolite
J. S. DENTON, H. TUFFEN, J. S. GILBERT, & N. ODLING
Appearing in Journal of the Geological Society, Vol. 166, Part 5, September 2009, pp. 1-10.
Detailed grain-size fraction analysis data in table and histogram form is provided as rtf and pdf.