Composition, age, and origin of the ~620 Ma Humr Akarim and Humrat Mukbid A-type granites: no evidence for pre-Neoproterozoic basement in the Eastern Desert, Egypt

SHRIMP Mass Spectrometer, 10 Oct 2012

http://www.springerlink.com/index/V73143X341522210.pdf Ali et al. find no trace of pre-pan-african material... http://www.springe…