Development and stagnation of the last Pleistocene icecap in the Yellowstone Lake Basin, Yellowstone National Park, USA

Gerald M. Richmond
Abstract. In late Pleistocene (Pinedale) time, the last of a series of Pleistocene icecaps developed in the Yellowstone Lake Basin. Initiated by a large glacier that entered the lake basin from the upper valley of the Yellowstone River, the icecap gradually thickened until, at the glacial maximum, it had a maximum thickness of about 925 m, covered about 6,200 km², and comprised about 975 km³ of ice. The cap overrode the basin divides in all...