Slope-former
![](../I/m/Mancos_Shale_badlands_in_Capitol_Reef_NP.jpg)
Gray slope-forming Mancos Shale below resistant sandstone caprock in the Capital Reef area of Utah
A slope-former is a unit of bedrock which is less resistant to erosion than overlying or underlying units and consequently results in outcrops with low relative slope angles. It may be contrasted with cliff-former. Typical slope forming lithologies include shales, and limestones in humid environments.
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