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Flatiron (geomorphology)

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Title: Flatiron (geomorphology)  
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Subject: Denver Basin, Novaculite, Flatirons, Flatiron, Osmanagić pyramid hypothesis, Visočica hill, Hogback (geology), Marathon Uplift
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Flatiron (geomorphology)

Often found in arid climates, a flatiron in geomorphology is a steeply sloping wedge-shaped landscape feature created by differential erosion of a resistant rock layer which is inclined in the same direction as, but at a steeper angle than the exposed mountain slope. Flatirons are a specific type of hogback ridge, with flatirons forming in a long series of hogbacks. Flatirons are known for the wide bases and steep, narrow ridge lines. The name flatiron was derived from the resemblance to an upended household flatiron.

The Flatirons near Boulder, Colorado, are a notable example of the landform. Other well developed flatirons are found in the eastern Uinta Mountains in northwestern Colorado,[2] the Waterpocket fold in Capitol Reef National Park, and on the flanks of the Marathon Uplift in west Texas.[1]


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