hanging wall
geology
Also known as: headwall
Learn about this topic in these articles:
formation of cirques
- In glacial landform: Cirques, tarns, U-shaped valleys, arêtes, and horns
…an arcuate cliff called the headwall. In an ideal cirque, the headwall is semicircular in plan view. This situation, however, is generally found only in cirques cut into flat plateaus. More common are headwalls angular in map view due to irregularities in height along their perimeter. The bottom of many…
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mineral deposits
- In mining: Delineation
…ore body is called the hanging wall, and rock located below the ore body is called the footwall.
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structure of faults
- In fault
…fault plane is called the hanging wall, or headwall; the block below is called the footwall. The fault strike is the direction of the line of intersection between the fault plane and Earth’s surface. The dip of a fault plane is its angle of inclination measured from the horizontal.
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