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Jack Oliver is credited with providing seismologic evidence supporting plate tectonics which encompassed and superseded continental drift with the article "Seismology and the New Global Tectonics", published in 1968, using data collected from seismologic stations, including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 Black Religion The group chose the name "religion" rather than "theology" to avoid the constraints imposed by the narrower term. Charles Shelby Rooks, who would later become the first African-American head of a traditionally white-led seminary at the Chicago Theological Seminary, took a leading role in the founding and served as the SSBR's first elected president. Society for the Study of Black Religion The Society for the Study of Black Religion is the oldest scholarly society dedicated to the study of the African-American religious experience. It is dedicated to "scholarly research and discussion about the religious experiences of Blacks." The SSBR was