Composite Sunrise Butte pluton: Insights into Jurassic–Cretaceous collisional tectonics and magmatism in the Blue Mountains Province, northeastern Oregon - Johnson, Kenneth; Schwartz, J.J.; Zak, Jiri; Verner, Krystof; Barnes, Calvin; Walton, Clay; Wooden, Joseph; Wright, James; Kistler, Ronald W. (GSA Special Papers, 2015)