New evidence for the early Archean evolution of Aker Peaks, Napier Mountains

• Main Authors: Enderby L, East Antarctica
• Other Authors: The Pennsylvania State University CiteSeerX Archives
• Format: Text
• Language: English
• Subjects: Aker Peaks; Napier; Napier Mountains
• Online Access: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.578.967; http://pubs.usgs.gov/of/2007/1047/ea/of2007-1047ea187.pdf

Summary Zircons from charnockite-enderbite rocks (Aker Peaks, Napier Mountains), which we have dated by SHRIMP-II, were analyzed earlier by conventional multigrain U-Pb ID-TIMS methods (Belyatsky et al., 1990) but gave equivocal ages. This study shows that the optimal way to evaluate geologic events...