In postulating origin as a breccia pipe, Cornelius has disregarded (1) evidence that some of the breccia is a member of the local, gently dipping stratigraphic sequence; (2) fault and fracture control of ore; (3) lack of evidence for a continuous breccia pipe. (For reference to the paper under discussion, see this Bibliography Vol. 31, No. 8, 02 E67-07357.)

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