Determination of the occurrence of gold in an unoxidized Carlin-type ore sample using synchrotron radiation - Chen, J.R.; Chao, E.; Minkin, J.A.; Back, J.M.; Bagby, W.C.; Rivers, M.L.; Sutton, S.R.; Gordon, B.M.; Hanson, A.L.; Jones, K.W. (Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 1987)