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 ...
--> A team led by Jacques Laskar from the Institut de Mécanique Céleste et de Calcul des Ephémérides (IMCCE) and the Paris Observatory has released new computational results for the long-term ...
Introduction / F.M. Gradstein -- Chronostratigraphy : linking time and rock / F.M. Gradstein, J.G. Ogg and A.G. Smith -- Biostratigraphy : time scales from graphic ...
Introduction -- Planetary time scale / Kenneth L. Tanaka and William K. Hartmann -- Precambrian / Martin J. Van Kranendonk, James Gehling, and Graham Shields -- Cambrian period / Shanchi Peng and ...
Evolution of endogenic processes is indicated by simulated melt production rate and mare basalt volume. Evolution of exogenic process is indicated by impactor kinetic energy. The points represent ages ...
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