TY - RPRT TI - Strontium isotope evolution of pore water and calcite in the Topopah Spring Tuff, Yucca Mountain, Nevada AU - Brian D. Marshall AU - Kiyoto Futa PY - 2001 DO - 10.2172/860281 UR - https://pubs.usgs.gov/publication/70217733 ID - 70217733 ER -