A raised elongated block of the earth’s crust lying between two faults.
- These faults bound horsts, grabens and tilted blocks.
- The area is characterized by a series of low-relief Jurassic horsts and graben.
- The main effect of the orogeny in southeastern Utah was to uplift the Uncompahgre High, a horst composed of Precambrian strata, which is bound on its southwestern flank by a major reverse fault.
Late 19th century: from German Horst 'heap'.
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