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In physical geography and geology, a horst is a raised fault block bounded by normal faults. [1] Horsts are typically found together with grabens. While a horst is lifted or remains stationary, the grabens on either side subside. [2] This is often caused by extensional forces pulling apart the crust.
With crustal extension, a series of normal faults which occur in groups, form in close proximity and dipping in opposite directions. [4] As the crust extends it fractures in series of fault planes, some blocks sink down due to gravity, creating long linear valleys or basins also known as grabens, while the blocks remaining up or uplifted produce mountains or ranges, also known as horsts.
The features are created by normal faulting and rifting caused by crustal extension. [1] Horst and graben are formed when normal faults of opposite dip occur in pairs with parallel strike, and are always formed together. Each feature can range in size from a few centimeters up to tens of kilometers, and the vertical displacement can be up to ...
Lifted fault-block geology Tilted fault-block formation in the Teton Range. Fault-block mountains often result from rifting, an indicator of extensional tectonics. These can be small or form extensive rift valley systems, such as the East African Rift zone. Death Valley in California is a smaller example.
WALV-CD (channel 46) is a low-power, Class A television station in Indianapolis, Indiana, United States, affiliated with MeTV. It is owned by Tegna Inc. alongside NBC affiliate WTHR (channel 13). The two stations share studios on North Meridian Street (south of I-65 ) in downtown Indianapolis; WALV-CD's transmitter is located near Ditch Road ...
Marina Johnson, Indianapolis Star March 22, 2024 at 9:45 AM The upcoming 2024 solar eclipse , slated for April 8, is a once-in-a-lifetime experience, bound to leave one speechless.
Scott Horner, Indianapolis Star May 16, 2024 at 4:52 PM The first full 2024 Indianapolis 500 practice is Thursday, May 16, on the 2.5-mile Indianapolis Motor Speedway oval.
WIIH-CD (channel 17) is a low-power Class A television station in Indianapolis, Indiana, United States, affiliated with the digital multicast network Get.Locally owned by Circle City Broadcasting, it is a sister station to Circle City's duopoly of Indianapolis-licensed CW affiliate WISH-TV (channel 8) and Marion-licensed MyNetworkTV affiliate WNDY-TV (channel 23).