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Jack Oliver is credited with providing seismologic evidence supporting plate tectonics which encompassed and superseded continental drift with the article "Seismology and the New Global Tectonics", published in 1968, using data collected from seismologic stations, including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 are some visually inventive high points." Simon Brew, writing for Den of Geek, gave a very positive four-star review, saying that "not only is "Ice Age 4" arguably the best in the franchise yet, it's also, a little surprisingly perhaps (given that it's a fourth movie in a franchise, turned around on a strict cycle), turned out to be thoroughly, thoroughly entertaining family blockbuster." "Ice Age Village" is a mobile video game, developed by Gameloft, and was released on April 5, 2012 to iPhone, iPad and various Android devices. "Ice Age: Continental Drift – Arctic Games", a video game based