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www.geographynotes.com/mountains-2/block-mountains/block-mountains-definition-types...

(iii) Block mountains may be formed when the middle block between two normal faults moves down­ward. Thus, the side blocks become horsts and block mountains (fig. 11.1C). Such mountains are associated with the formation of rift valleys.

www.reference.com/science/fault-block-mountains-formed-2023d6f039273f70

The Sierra Nevada Mountains of the Western United States are an example of fault-block mountains. This mountain range formed between 130 and 400 million years ago as the Pacific Plate lowered underneath the North American Plate, a process known as subduction.

www.pmfias.com/fold-mountains-block-mountains-volcanic-mountains-residual...

> Fold Mountains & Block Mountains (most important types of mountains) Fold Mountains & Block Mountains (most important types of mountains) Previous Post: ... Fold Mountains. Fold mountains are formed when sedimentary rock strata in geosynclines are subjected to compressive forces.

www.mountainprofessor.com/fault-block-mountains.html

Fault Block Mountains. Fault block mountains are distinguished by great sheer rock faces. These form when enormous underground pressure forces a whole rock mass to break away from another. The line at which this break takes place is called a fault. On one side of this break the rocks rise; on the other side they sink down.

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en.wikipedia.org/wiki/Mountain_formation

Mountain formation refers to the geological processes that underlie the formation of mountains. These processes are associated with large-scale movements of the Earth's crust (tectonic plates). ... When a fault block is raised or tilted, block mountains can result.

en.wikipedia.org/wiki/Fault_block

Fault-block mountains often result from rifting, another indicator of tensional tectonic forces. 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.

owlcation.com/stem/Types-and-Formation-of-Mountains-For-kids

The Fault-block Mountains or block mountains are created when faults or cracks in the Earth's crust force materials or blocks of rocks upward or down. The uplifted blocks are Block Mountains or horsts. The intervening dropped blocks are called graben, which can be small or form rift valley systems. These block mountains break up into chunks or ...

www.worldatlas.com/articles/how-are-mountains-formed.html

Block Mountains or fault-block mountains arise as a result of faults in the crust. The faults enable rocks to move past one another, a process known as rifting. Rocks on one side rise higher in comparison to the others, and they form Block Mountains (horsts) while the other blocks of rocks drop to form depressed regions (graben).