A Glacial History of Roberts Massif, Central Transantarctic Mountains, Antarctica, Using Cosmogenic 3He, 10Be, and 21Ne Surface Exposure Ages

• Main Author: Balter, Alexandra M
• Format: Text
• Language: unknown
• Published: DigitalCommons@UMaine 2018
• Subjects: Antarctica; exposure ages; East Antarctic Ice Sheet; glacial history; Geochemistry; Geomorphology; Antarctic; Roberts massif; Shackleton; Shackleton Glacier; Transantarctic Mountains; Antarc*; Ice Sheet
• Online Access: https://digitalcommons.library.umaine.edu/etd/2941; https://digitalcommons.library.umaine.edu/context/etd/article/3951/viewcontent/Balter__Alexandra_Final_1.11.19.pdf

Ice-free areas at high elevation in the central Transantarctic Mountains preserve moraines and drift deposits that delineate the former thickness and extent of the East Antarctic Ice Sheet (EAIS); cosmogenic exposure ages on these features indicate when the ice sheet was as or more extensive than to...