We invite researchers interested in identifying the healing properties of various clay minerals, or their uses as nutritional supplements. All aspects of clays and clay minerals used to promote health are of interest.

Symposium Organizers: Javiera Cervini-Silva, Instituto de Geografia, Universidad Nacional Autonoma de Mexico, Circuito Exterior, Ciudad Universitaria, Mexico, D.F., Mexico City, 04510, Mexico, Phone: 52-55-56-89-57- 57, jcervini@igg.unam.mx. Lynda Williams, School of Earth and Space Exploration, Arizona State University, Box 871404, Tempe, AZ 85287-1404, Phone: 480-965-0829, FAX: 480-965-8102, lynda.williams@asu.edu.