2017 August 13-18 GOLDSCHMIDT Annual Meeting Posted on 21 August 2017 by ctrocme GEOTREF was represented in Paris, France with 1 poster. Lithium and boron isotopes for a new coupled geothermometer. Mombru M.1; Lemarchand, D.1; Rihs S.1; Haffen S.2 1. LHyGeS, Strabourg, France. 2. Teranov, France.