| Break | ||
| Rocky Mountain (53rd) and South-Central (35th) Sections, GSA, Joint Annual Meeting (April 29–May 2, 2001) | ||
| Session No. 20 Petrology, Structural Geology, Geophysics, and Economic Geology Sheraton Old Town Hotel: Alvarado FG 1:00 PM-5:00 PM, Wednesday, May 2, 2001 | ||