Reston, VA – The U.S. Geological Survey (USGS) and the Association of American State Geologists (AASG) announced that they have developed an updated geologic time scale and color scheme for use in ...
Introduction / F.M. Gradstein -- Chronostratigraphy : linking time and rock / F.M. Gradstein, J.G. Ogg and A.G. Smith -- Biostratigraphy : time scales from graphic ...
This geologic time spiral cake — which was baked by a group of geologists at Oxford University — took 32 eggs, 3 kg of marzipan, 7 people, 30 hours of labor, and several billion years of evolution.