Chronological study of the pre-Permian basement rocks of southern Patagonia

• Published in: Journal of South American Earth Sciences
• Main Authors: Pankhurst, R.J., Rapela, C.W., Loske, W.P., Márquez, M., Fanning, C.M.
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: Elsevier 2003
• Subjects: Earth Sciences; Antarctic; Antarctic Peninsula; Golondrina; Magallanes; Patagonia; The Antarctic; Antarc*; Tierra del Fuego
• Online Access: http://nora.nerc.ac.uk/id/eprint/12838/; http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6VDS-48D36XX-1&_user=1773399&_coverDate=05%2F31%2F2003&_rdoc=1&_fmt=high&_orig=search&_origin=search&_sort=d&_docanchor=&view=c&_searchStrId=1585754689&_rerunOrigin=google&_acct=C000054485&_version

Small outcrops of the basement of the Deseado Massif, consisting of weathered, altered granitoids and their metasedimentary host rocks, were dated by the U-Pb zircon method using thermal ionization mass spectrometry and ion microprobe (SHRIMP). The provenance ages of detrital zircon in the metasedim...