Continental drift Permian era but failing to account for glaciation in India, Australia and South Africa. Geophysicist Jack Oliver is credited with providing seismologic evidence supporting plate tectonics which encompassed and superseded continental drift with the article "Seismology and the New Global Tectonics", published in 1968, using data collected from seismologic stations, including those he set up in the South Pacific. It is now known that there are two kinds of crust: continental crust and oceanic crust. Continental crust is inherently lighter and its composition is different from oceanic crust, but both kinds reside above a much deeper "plastic" mantle. Oceanic crust
Drift (Transformers) Drift (Transformers) Drift is the name of three different fictional characters in the Transformers robot superhero franchise. For trademark reasons, toys related to the character are marketed under the name Autobot Drift. He was a former Decepticon under the name Deadlock. Drift is the name of the Mini-Con Dirt Boss in the Japanese version of "". According to his bio, Drift once served Megatron under the name Deadlock and was one of the most-feared warriors on Cybertron. Then one day, he looked back at the horrors he had inflicted upon his foes. Since then, he has dedicated his life to