Figure 1. Area map showing all field trip stops on a topographic shaded-relief map overlain by geology from plate 3 of Christiansen (2001). The Yellowstone Caldera is outlined in green; resurgent domes are outlined with dashed black lines (Sour Creek Dome to northeast and Mallard Lake Dome to southwest); Henrys Fork Caldera is outlined in blue; Huckleberry Ridge Caldera is outlined in purple; We..
