I appreciate Higgs' (2009) discussion of Pyles' (2008) article on the Carboniferous Ross Sandstone of western Ireland (Figure 1), and I am eager to provide a follow-up herein. In his analysis, Higgs challenges the long-established interpretation of the Ross Sandstone both in terms of its depositional environment (submarine fan) and tectonic setting (structurally confined basin). Higgs interprets the Ross Sandstone as being deposited in a large, shallow, freshwater equatorial lake located in a broad foreland basin. He uses this interpretation to argue that the Ross Sandstone is not a suitable outcrop analog for structurally confined submarine fans especially...

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