Detrital-zircon geochronology of the eastern Magallanes foreland basin: Implications for Eocene kinematics of the northern Scotia Arc and Drake Passage

• Published in: Earth and Planetary Science Letters
• Main Authors: Barbeau, David, Olivero, Eduardo Bernardo, Swanson Hysell, Nicholas L., Zahid, Khandaker M., Murray, Kendra E., Gehrels, George E.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Elsevier Science
• Subjects: ANDES; ANTARCTICA; DRAKE PASSAGE; PROVENANCE; U/PB GEOCHRONOLOGY; https://purl.org/becyt/ford/1.5; https://purl.org/becyt/ford/1; Austral; Drake Passage; Pacific; Argentina; Magallanes; Olivero; Antarc*; Antarctica
• Online Access: http://hdl.handle.net/11336/130409

U/Pb detrital-zircon geochronology of eleven sandstones collected from Cretaceous through Oligocene strata of the eastern Magallanes foreland basin of southernmost Argentina records a dramatic provenance shift near the end of the middle Eocene at ca. 39 Ma. From the Late Cretaceous through most of t...