Late Archaean mineralised high-field-strength- element (HFSE) enriched igneous rocks in the Gindalbie Terrane, Eastern Yilgarn Craton, Western Australia

The Eastern Yilgarn Craton is an intensely mineralised Late Archaean mainly low-grade granitegreenstone terrane (Myers, 1997). Consisting of five tectonostratigraphic terranes (Gindalbie, Kalgoorlie, Kurnalpi, Laverton and Duketon-Burtville (Figure 1) defined by their distinct geological characteristics (Myers, 1990; Swager, 1997; Barley et al., 2002) the Eastern Yilgarn Craton is a site of enormous economic significance. While individual terranes are well defined within the Eastern Yilgarn, the history of terrane accretion, deformation, volcanism, sedimentation and metamorphism, and ultimately the thermal history, is not so well understood. Barley et al., (2004, this volume) gives more detail on the terranes of the Eastern Yilgarn Craton.