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Jack Oliver is credited with providing seismologic evidence supporting plate tectonics which encompassed and superseded continental drift with the article "Seismology and the New Global Tectonics", published in 1968, using data collected from seismologic stations, including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
Ice Age: Continental Drift Ice Age: Continental Drift Ice Age: Continental Drift is a 2012 American 3D computer-animated adventure comedy film produced by Blue Sky Studios and distributed by 20th Century Fox. It is the fourth installment of the "Ice Age" series and the sequel to "" (2009). The film was directed by Steve Martino and Michael Thurmeier from a script by Michael Berg and Jason Fuchs, and stars the voices of Ray Romano, John Leguizamo, Denis Leary, Queen Latifah, Seann William Scott, Josh Peck, and Chris Wedge reprise their previous roles alongside Keke Palmer, Nicki Minaj, Drake, Jennifer Lopez, Josh Gad, and Peter