In Situ Dating of Multiple Events in Granulite-Facies Rocks of the Larsemann Hills, Prydz Bay, East Antarctica Using Electron Microprobe Analysis of Monazite

• Main Author: Spreitzer, Steven K
• Format: Text
• Language: unknown
• Published: DigitalCommons@UMaine 2017
• Subjects: chemical dating; exhumation rate; geochronology; petrology; thorium; yttrium; Geology; Tectonics and Structure; East Antarctica; Prydz Bay; Larsemann Hills; Søstrene; Antarc*; Antarctica
• Online Access: https://digitalcommons.library.umaine.edu/etd/2762; https://digitalcommons.library.umaine.edu/context/etd/article/3776/viewcontent/M_SpreitzerSteven_Final.pdf

The metamorphic rocks exposed along the southeast coast of Prydz Bay were affected by several metamorphic and plutonic events associated with collision in the Neoproterozoic and Cambrian. Critical units exposed in the Larsemann Hills and nearby ice-free areas include (1) basement Søstrene Orthogneis...