Reports
de Ronde, C.J., Hall, C.M., York, D., Spooner, E.T.C. “Laser step-heating 40Ar/39Ar Age Spectra from Early Archean (3.5 Ga) Barberton Greenston Belt Sediments: A Technique for Detecting Crypto Tectono-Thermal Events.” Geochimica et Cosmochimica Acta, 55 (1991): 1933-1951