R. Ben Perkins    

Telephone: 503.725.3387

       Fax: 503.725.3025

   email: rperkins@pdx.edu 

TRACE ELEMENT   ANALYTICAL LABORATORY				RESEARCH INTERESTS
COURSES				PSU GEOLOGY
	PUBLICATIONS

This Site Last Updated on 8/15/06

All pictures by R.B. Perkins except Kilauea Lave Tube(USGS) and Mn Nodule (Mindat.org)