TY - RPRT TI - The transition from melt accumulation to eruption initiation recorded by orthopyroxene Fe-Mg diffusion timescales in late Holocene rhyolites, South Sister volcano, Oregon Cascade Range AU - Nathan Lee Andersen AU - Annika E. Dechert AU - Dawn Catherine Sweeney Ruth AU - May (Mai) Sas AU - Julie Chouinard AU - Josef Dufek PY - 2025 DO - 10.1029/2025gc012256 UR - https://pubs.usgs.gov/publication/70273120 ID - 70273120 ER -