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horst

1. n. [Geology]

A relatively high-standing area formed by the movement of normal faults that dip away from each other. Horsts occur between low-standing fault blocks called graben. Horsts can form in areas of rifting or extension, where normal faults are the most abundant variety of fault.

See: dipgrabennormal faultrift

Schematic cross section of horst and graben pairs.

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