Early results from a recent HiSeis three-dimensional seismic survey over the area has got everyone rippling with excitement. “It’s very, very clear that there’s a continuation of the structures for quite some distance. It’s also very, very clear that there’s a repetition of structures. And it’s also very clear that there are other structures that we weren’t even aware of in that area. And most importantly, there’s a very, very large heat source, a very large granite sitting quite some way below the bottom of the current pit,” Quartermaine said.