1. Department of Geological Sciences, School of Earth, Energy & Environmental Sciences, Stanford University, Stanford, California 94305-2115, United States
2. Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94062, United States
3. Department of Photon Science, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94062, United States
4. Department of Earth Systems Science, School of Earth, Energy & Environmental Sciences, Stanford University, Stanford, California 94305-2115, United States