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A graben is a section of crust that has lowered relative to the blocks on either side, which is a result of its bounding faults dipping towards each other. [2] The plural of graben can be either graben or grabens. Graben form low-lying features such as basins and rift valleys. [1] [2] They can be very long relative to their width.
Graben often occur side by side with horsts. Horst and graben structures indicate tensional forces and crustal stretching. Graben are produced from parallel normal faults, where the displacement of the hanging wall is downward, while that of the footwall is upward. The faults typically dip toward the center of the graben from both sides.
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.
Fault-Horst-Graben-ar.svg This is a retouched picture , which means that it has been digitally altered from its original version. Modifications: Redraw of pixel (jpg) image as vector (svg) .
The Sulphur Well Historic District is an 81 acres (33 ha) historic district in Sulphur Well, Kentucky which was listed on the National Register of Historic Places in 1998. [ 1 ] It is roughly bounded by Wister Wallace Road, the southern fork of the Little Barren River , Mitchell-Edwards Road, and Kentucky Route 70 .
Lifted type block mountains have two steep sides exposing both sides scarps, leading to the horst and graben terrain seen in various parts of Europe including the Upper Rhine valley, a graben between two horsts – the Vosges mountains (in France) and the Black Forest (in Germany), and also the Rila – Rhodope Massif in Bulgaria, Southeast ...
As of 9 am Friday, there were 34 weather incidents in eastern Kentucky, according to the dashboard. These included: Water over the road on No. 1 Bottom, Route CS-2002, in Letcher County
Although sediments arrive primarily from the unfaulted side of the half-graben, some erosion takes place on the fault escarpment of the main border fault, and this produces characteristic alluvial fans where confined channels emerge from the escarpment. [9] Lake Baikal is an unusually large and deep example of half-graben evolution. The lake is ...