Fig. 1. Location of Hope Valley shear zone (HVSZ) near Connecticut-Rhode Island border, Ponaganset gneiss (blue), Scituate granite (green), and Hope Valley alaskite (yellow). Modified after map by Gromet and O`Hara (1985). Red dots indicate multiple samples examined in this presentation and their general locations. Numbers 6 and 9 indicate field trip stops in Gromet and O`Hara (1985).