• Secondary Minerals Drive Extreme Lithium Isotope Fractionation During Tropical Weathering 

      Chapela Lara, MaríaORCIDiD; Buss, Heather L.ORCIDiD; Henehan, Michael J.ORCIDiD; Schuessler, Jan A.ORCIDiD; McDowell, William H.ORCIDiD (Journal of Geophysical Research: Earth Surface, 2022-02-15)
      Lithium isotopes are used to trace weathering intensity, but little is known about the processes that fractionate them in highly weathered settings, where secondary minerals play a dominant role in weathering reactions. ...
    • Tourmaline Reference Materials for the In Situ Analysis of Oxygen and Lithium Isotope Ratio Compositions 

      Wiedenbeck, Michael; Trumbull, Robert B.; Rosner, Martin; Boyce, Adrian; Fournelle, John H.; Franchi, Ian A.; Halama, Ralf; Harris, Chris; Lacey, Jack H.; Marschall, HorstORCIDiD; Meixner, Anette; Pack, AndreasORCIDiD; Pogge von Strandmann, Philip A.E.; Spicuzza, Michael J.; Valley, John W.; Wilke, Franziska D.H. (Geostandards and Geoanalytical Research, 2020-11-07)
      Three tourmaline reference materials sourced from the Harvard Mineralogical and Geological Museum (schorl 112566, dravite 108796 and elbaite 98144), which are already widely used for the calibration of in situ boron isotope ...