Sir: We have read with interest the paper of Taylor et al. (2001), which suggests a new genesis for the hematite deposits of the Hamersley province via an intermediate hypogene carbonate-rich phase structurally controlled by high-angle normal faults (e.g., Southern Batter fault at Tom Price). In attempting to apply their genetic model to the Mount Whaleback deposit, they have invoked a large but unspecified rotation (implied 40°–60°) by listric rotation along the late Mount Whaleback fault to re-orientate low-angle faults and folds to a high angle, in keeping with the geometry seen at Tom Price. This appears to have...

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