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Insights into the evolution of the Thomson Orogen from geochronology, geochemistry, and zircon isotopic studies of magmatic rocks

Cross, Andrew; Purdy, David; Champion, David; Brown, D. D.; Siegel, Coralie; Armstrong, Richard


Zircon U–Pb ages, εHf(t), and δ18O isotopic data together with geochemistry and limited Sm–Nd results from magmatic rocks sampled in deep-basement drill cores from undercover parts of the Thomson Orogen provide strong temporal links with outcropping regions of the orogen and important clues to its evolution and relationship with the Lachlan Orogen. SHRIMP U–Pb zircon ages show that magmatism of Early Ordovician age is widespread across the central, undercover regions of the Thomson Orogen and...[Show more]

CollectionsANU Research Publications
Date published: 2018-10-15
Type: Journal article
Source: Australian Journal of Earth Sciences
DOI: 10.1080/08120099.2018.1515791
Access Rights: Open Access


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