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Multimillion year thermal history of a porphyry copper deposit: application of U-Pb, 40Ar/39Ar and (U-Th)/He chronometers, Bajo de la Alumbrera copper-gold deposit, Argentina

Harris, Anthony C.; Dunlap, William James; Reiners, Peter William; Allen, Charlotte M; Cooke, David R.; White, Noel C.; Campbell, Ian; Golding, Suzanne


Application of multiple chronometers (including U-Pb and 40Ar/ 39Ar geochronology and zircon and apatite (U-Th)/He thermochronology) to porphyry intrusions at the Bajo de la Alumbrera porphyry copper-gold deposit, Argentina, reveals a complex history of reheating that spans millions of years. Previous U-Pb geochronology, combined with our new 40Ar/39Ar data, shows that the multiple porphyritic intrusions at Bajo de la Alumbrera were emplaced during two episodes, the first at about 8.0 Ma (P2...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
Source: Mineralium Deposita
DOI: 10.1007/s00126-007-0151-5


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