From finding the first deep-water hydrocarbons in the Gulf of Mexico to locating the meteorite impact that doomed the dinosaurs, scientific ocean drilling has unlocked some major mysteries. A University of Houston (UH) geologist hopes to uncover more such secrets as co-chief scientist on a major international expedition to recover the first-ever drill core from the lower crust of the Pacific Ocean. Jonathan E. Snow, an associate professor in the department of Earth and atmospheric sciences…