The ancestral cascades arc: Cenozoic evolution of the central Sierra Nevada (California) and the birth of the new plate boundary - Busby, CJ; Hagan, JC; Putirka, K; Pluhar, CJ; Gans, PB; Wagner, DL; Rood, D; DeOreo, SB; Skilling, I (Special Paper of the Geological Society of America, 2008)