Age constraints from the Rocky Cape Group: putting Tasmania on the Mesoproterozoic map

• Main Authors: Halpin, JA, Jensen, T, McGoldrick, P, Meffre, S, Berry, RF, Everard, JL, Calver, CR, Thompson, J, Goemann, K, Whittaker, JM
• Format: Conference Object
• Language: English
• Published: Geological Society of Australia 2014
• Subjects: Earth Sciences; Geology; Tectonics; East Antarctica; Transantarctic Mountains; King Island; Balfour; Antarc*; Antarctica
• Online Access: http://ecite.utas.edu.au/100955

The oldest known rocks in Tasmania occur in the Proterozoic Rocky Cape Group, a ~10 km thick quartzarenitesiltstonepelite-dominated succession, which was previously constrained to have been deposited between 1450 Maand 750 Ma. New detrital zircon and authigenic monazite ages dated via UPb Laser Abla...