The most critical decision in exploration is deciding where to look. This decision is often based on partial information rather than quantitative analysis of all the data. We need to put more effort into ob jective targeting in order to im prove the discovery rate. The best way to do this, in sufficiently mature districts, is to use statistical data mining techniques, allowing the data to speak for themselves. The targets generated by this objective approach are highly focused, so that only

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... ted budgets are needed for follow-up investigations. Expected ROIs of many hundreds are achievable.