The Flatirons ar a series of steeply sloping wedge-shaped rock formations close to Boulder, Colorado. There ar 5 giant, Flatirons starting from north to south on the east slope of inexperienced Mountain, and numbered from initial through Fifth, severally. Flatirons ar created by differential erosion of the rock layer that is inclined within the same direction as, however at a vessel angle than the exposed mountain slope. those close to Boulder, Colorado, ar a notable example of this landform and a omnipresent symbols of town of Boulder. different well developed flatirons ar found within the jap Uinta Mountains in northwestern Colorado and on the flanks of the Marathon Uplift in west American state.
The name smoothing iron was derived from the likeness to associate vertical social unit smoothing iron – those flat, metal irons accustomed press garments.
The rocks comprising of the Flatirons ar some 290 to 296 million years previous. They were upraised and tipped into their gift orientation between thirty five and eighty million years agone, throughout the Laramide geological process. They were later on exposed by erosion that gave them the rugged look. they're standard destinations for hikers and rock climbers.