Horst

Science / Geology / Horst: An elongated block of high topographic relief that is bounded on two sides by steep normal faults. Produced in an area of crustal extension.

Graben

Science / Geology / Graben: A downthrown block between two normal faults of parallel strike but converging dips: hence a tensional feature. See also horst. MORE

Fault-Block Mountain

Science / Geology / Fault-Block Mountain: A mountain or range formed as a horst when it was elevated between parallel normal faults. MORE

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