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Jack Oliver is credited with providing seismologic evidence supporting plate tectonics which encompassed and superseded continental drift with the article "Seismology and the New Global Tectonics", published in 1968, using data collected from seismologic stations, including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
Society for the Study of Theology the theme of "eschatology". Society for the Study of Theology The Society for the Study of Theology (SST) is the leading British organization for theologians in academy, church, and society. The Society is the leading scholarly society for the study of theology in the U.K. The Society for the Study of Theology promotes excellence in the study of Christian Theology by facilitating and shaping theological thought, conversation, and community. In particular, the Society's object is to identify and discuss important themes, questions and dialogues which call for theological engagement. The Society holds an annual conference. Its first was held in