The AAPG Distinguished Lecture Program Presents Michael Hudec January 2019 Now available for streaming, the fourth video presentation in the AAPG Distinguished Lecture program features Michael Hudec and his presentation, Evolution of the Salina del Bravo, Mexico: The Bravo Trough, Sigsbee Canopy and Perdido Fold Belt. Hudec is a senior research scientist with the Bureau of Economic Geology at the University of Texas. His research focuses on salt tectonics in the Salina del Bravo region of Mexico.