Cover of MNA Bulletin 44This work summarized the state of knowledge regarding the origin of the Grand Canyon and Colorado River in 1964
On Sunday our local newspaper, the Arizona Daily Sun, published an article I wrote to commemorate the symposium. You can access and read it here. Ivo Lucchitta features prominently in the article and I can say that it was his popular writing on the subject that drew me deeply into it.
Here is a list of the twenty geologists who participated in the 1964 Symposium. I am or was acquainted with at least ten of them.
Ivo Lucchitta, Geologist, Friend, and Mentor
This diagram displays what is perhaps the most famous result of the '64 symposium, that the Colorado River was likely cobbled together from two distinct ancestors. Headward erosion from the west and stream capture at the junction with the Little Colorado River was proposed then.