TY - RPRT TI - Deuterium fractionation as water diffuses into silicic volcanic ash AU - Irving Friedman AU - J.D. Gleason AU - R.A. Sheppard AU - A.J. Gude PY - 2013 DO - 10.1029/gm078p0321 UR - https://pubs.usgs.gov/publication/70186591 ID - 70186591 ER -