Timing and thermal evolution of fold-and-thrust belt formation in the Ultima Esperanza District, 51°S Chile: Constraints from K-Ar dating and illite characterization

• Published in: GSA Bulletin
• Main Authors: Suessenberger, Annette, Schmidt, Susanne Theodora, Wemmer, Klaus, Baumgartner, Lukas, Grobéty, Bernard
• Format: Article in Journal/Newspaper
• Language: English
• Published: 2018
• Subjects: info:eu-repo/classification/ddc/550; Antarctic; The Antarctic; Magallanes; Esperanza; Paine; Antarc*
• Online Access: https://archive-ouverte.unige.ch/unige:102772

K/Ar dating on llite in Upper Cretaceous low-grade metamorphic pelites in the Torres del Paine area was used to set new time constraints on the development of the Patagonian retroarc fold-and-thrust belt (FTB) caused by the subduction of the Antarctic Plate beneath the South American Plate. The comb...