Grenville-age magmatism at the South Tasman Rise (Australia): A new piercing point for the reconstruction of Rodinia

• Published in: Geology
• Main Authors: Fioretti, Anna Maria, Black, Lance, Foden, J., Visonà, Dario
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: Geological Society of America Inc
• Subjects: Keywords: High resolution ion microprobe; Magmatic rock; Paleozoic granites; Quartz syenite; Tectonic setting; Analytical geochemistry; Geochronology; Isotopes; Microscopic examination; Mineralogy; Petrography; Quartz; Structural geology; Tectonics; Sedimentary roc East Antarctic craton; Grenville; Rodinia; SHRIMP; South Tasman Rise; Antarctic; Antarc*
• Online Access: http://hdl.handle.net/1885/80536; https://doi.org/10.1130/G21671.1; https://openresearch-repository.anu.edu.au/bitstream/1885/80536/5/MigratedxPub8800_2005.pdf.jpg; https://openresearch-repository.anu.edu.au/bitstream/1885/80536/7/01_Fioretti_Grenville-age_magmatism_at_the_2005.pdf.jpg

A U-Pb zircon sensitive high-resolution ion microprobe age of 1119.4 ± 8.5 Ma, obained from a quartz syenite dredged from the South Tasman Rise (Australia), provides the first direct evidence of the presence of Grenville-age magmatic rocks along the cent