Samples and methods. Zircon O- and Hf-isotope constraints on the genesis and tectonic significance of Permian magmatism in Patagonia Paula Castillo C. Mark Fanning Robert J. Pankhurst Francisco Hervé Carlos W. Rapela 10.6084/m9.figshare.4959935.v1 https://geolsoc.figshare.com/articles/journal_contribution/Samples_and_methods_Zircon_O-_and_Hf-isotope_constraints_on_the_genesis_and_tectonic_significance_of_Permian_magmatism_in_Patagonia/4959935 Samples and methods. 2017-05-02 09:53:58 genesis Permian magmatism Zircon O Patagonia Samples tectonic significance method Hf-isotope constraints Geology