Geological insights from the newly discovered granite of Sif Island between Thwaites and Pine Island glaciers

• Main Authors: Marschalek, James W., Thomson, Stuart N., Hillenbrand, Claus-Dieter, Vermeesch, Pieter, Siddoway, Christine, Carter, Andrew, Nichols, Keir, Rood, Dylan H., Venturelli, Ryan A., Hammond, Samantha J., Wellner, Julia, van de Flierdt, Tina
• Format: Article in Journal/Newspaper
• Language: English
• Published: 2024
• Subjects: Antarctic; Antarctic Peninsula; Amundsen Sea; West Antarctic Ice Sheet; Byrd; Pine Island Glacier; Marie Byrd Land; Thwaites Glacier; Thurston; Thurston Island; Antarc*; Antarctic Science; Ice Sheet; Sif Island
• Online Access: https://oro.open.ac.uk/96560/; https://oro.open.ac.uk/96560/1/96560.pdf

Large-scale geological structures have controlled the long-term development of the bed and thus the flow of the West Antarctic Ice Sheet (WAIS). However, complete ice cover has obscured the age and exact positions of faults and geological boundaries beneath Thwaites Glacier and Pine Island Glacier,...