TY - RPRT TI - Improved spatial resolution for U-series dating of opal at Yucca Mountain, Nevada, USA, using ion-microprobe and microdigestion methods AU - J.B. Paces AU - L.A. Neymark AU - J. L. Wooden AU - H.M. Persing PY - 2004 DO - 10.1016/j.gca.2003.08.022 UR - https://pubs.usgs.gov/publication/70026923 ID - 70026923 ER -