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Latest Tweets View Twitter Feed new JSR paper: A Compositional Classification For Grain Assemblages In Fine-Grained Sediments and Sedimentary Rocks http://t.co/8rBVjpXg9n 12/16/2014 9:27:09 AM new JSR paper: Clumped-Isotope Constraints On Cement Paragenesis In Septarian Concretions http://t.co/MZ49vMsF0S 12/16/2014 9:26:24 AM new JSR Paper: Distributive Fluvial Systems Or Trunk Rivers In Ephemeral Systems? Beaufort Group, South Africa http://t.co/kFu468MOg1 12/16/2014 9:25:53 AM