Pyrite textures and morphologies in the Moore Orebody, Pueblo Viejo, Dominican Republic : R.M. Kettler (Department of Geology, University of Nebraska, Lincoln, NE 68588-0340, USA) S.E. Kessler, P.A. Meyers (Department of Geological Sciences, University of Michigan, Ann Arbor, MI 48109-1063, USA) and R.O. Rye (U.S. Geological Survey, MS 963, Denver Federal Center, Denver, CO 80225, USA)