Figure 1. This smoky quartz specimen traveled many miles during the later part of the Ice Age until it finally came to rest on land that was once part of the Hartsel Ranch. From the J. Doolittle collection. Photo date 3/04 © by
Although glaciers did not extend out of the mountains, evidence of Pleistocene glaciation is prevalent throughout South Park (figure 2.). This glacial past is seen in various ways: (1) modification of the landscape by glacial melt-water and (2) outwash sediments that were spread over the land (silt, gravel, and cobble terrace deposits).
Figure 2. View of the double summits of