Age and composition of Antarctic sub-glacial bedrock reflected by detrital zircons, erratics, and recycled microfossils in the Ellsworth Land-Antarctic Peninsula-Weddell Sea-Dronning Maud Land sector (240 degrees E-0 degrees-015 degrees E)

• Published in: Gondwana Research
• Main Authors: Veevers, J. J., Saeed, Ayesha
• Format: Article in Journal/Newspaper
• Language: English
• Published: 2013
• Subjects: Detrital zircons; U-Pb ages; Hf-isotopes; Erratics; Recycled microfossils; Ice-covered Antarctica; MARIE-BYRD-LAND; U-PB GEOCHRONOLOGY; LARGE IGNEOUS PROVINCE; ARCHAEOCYATHAN LIMESTONE BLOCKS; PRINCE-CHARLES MOUNTAINS; SOUTH SHETLAND ISLANDS; HOST-ROCK AFFINITY; KING GEORGE ISLAND; T-DM AGES; EAST ANTARCTICA; Antarctic; The Antarctic; Antarctic Peninsula; Weddell Sea; East Antarctica; Dronning Maud Land; King George Island; West Antarctica; South Shetland Islands; Weddell; Byrd; Marie Byrd Land; Prince Charles Mountains; Ellsworth Land; Gamburtsev Subglacial Mountains; Vostok Subglacial Highlands; Antarc*; Antarctica
• Online Access: https://researchers.mq.edu.au/en/publications/34e2554f-2b9f-4935-a181-e70f2272eb30; https://doi.org/10.1016/j.gr.2012.05.010

The age and composition of the 14 x 10(6) km(2) of Antarctica's surface obscured by ice is unknown except for some dated detrital minerals and erratics. In remedy, we present four new analyses (U-Pb age, T-DM(C), epsilon Hf, and rock type) of detrital zircons from Neogene turbidites as proxies...