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We studied the timing and area of the late Pleistocene maximum glacier extent, the readvance or stillstand phases and the deglaciation processes in the HualcaHualca volcano and Patapampa Altiplano, located in the southern arid Peruvian Andes. We used geomorphological mapping and 9 36Cl cosmogenic surface exposure dating of moraine boulders as well as polished and striated bedrock surfaces. The cosmogenic...
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