We have no meanings for "friable sandstone" in our records yet.
1 A ledge of friable sandstone 3½ feet thick lies next below the roof.
2 The walls of the canyon are composed of friable sandstone , and are usually vertical.
3 Five years after this the exterior of the aisle walls was recased with the same friable sandstone .
4 At the point where the descent was steepest there were great naked flats of friable sandstone and conglomerate.
5 It is the core, or kernel, of a much larger block of friable sandstone , worn away on all sides by wind and weather.
6 Friable sandstone rocks, massive above, stratified below, constitute its enclosing walls.
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