Short Courses Chile 2006: Epithermal Systems Chile 2005: Porphyry Copper Systems Characteristics of Epithermal Gold Deposits Field Course, October 2003 (SEG) Field Environmental Geochemistry Course, May 2003 (SEG) Décimo Noveno Curso Internacional de Postgrado en Metalogenia Mapping Course at Cerro Colorado 2002 Mapping Course at Cerro Verde 2001 Mapping Course at Cerro Verde 2000 Peru 2000 Field Excursion Chile 99 Field Excursion Chile 97 Field Excursion *Andean Seminar