Red River Gorge
Tafoni-style weathering or "boxwork" patterns are very common in the massive and cross-bedded sandstone of the Corbin Sandstone Member throughout the Red River Gorge region (Ettonsohn and others, 2010). The tafoni (boxwork) occurs in relatively softer sandstone layers that have little or no mineral cement remaining after exposure to groundwater. With exposure to wetting and drying, the surface of sandstone outcrops can develop a patina (surface crust) of mineral cement-hardened sandstone.
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Last modified: 10/22/2010