In geology, a rift is a linear zone where the lithosphere is being pulled apart [1][2] and is an example of extensional tectonics. [3] . Typical rift features are a central linear downfaulted depression, called a graben, or more commonly a half-graben with normal faulting and rift-flank uplifts mainly on one side. [4] .

Define rifting. rifting synonyms, rifting pronunciation, rifting translation, English dictionary definition of rifting. n. 1. A fissure, crack, or opening, as in rock. 2. A break in friendly relations: a rift between siblings. 3. Geology An area where the lithosphere is...

In block faulting, large blocks of crust are uplifted or tilted on either side of a crack, or rift, created by plate tectonics. Block faulting can create ranges with steep, rugged terrain, such as the Sierra Nevada Mountains in the United States.

Rifts can be summarized as geographical regions consisting of extensional sedimentary basins of various sizes, with various tectonic and sedimentary geometries that are linked in various structural contexts. This chapter provides a list of the main types of rifts and case examples.

2023年3月7日 · In this Review, we discuss fundamental rift processes, geodynamic forces and their tectonic interactions and identify the mechanisms that lead to the large variety of rifts on Earth. Rifting...

Rifting is defined as the splitting apart of a single tectonic plate into two or more tectonic plates separated by divergent plate boundaries. The rifting of a continental tectonic plate creates normal fault valleys, small tilted block mountains, and volcanism.

2022年3月3日 · At the boundaries between tectonic plates, narrow rifts can form as Earth's crust slowly pulls apart. But how, exactly, does this rifting happen? Does pressure from magma rising from belowground force the land apart? Or is a rift just a rip, created mainly by the pulling motion of tectonic plates that are drifting away from each other?

2023年1月1日 · Rifts are characterized by faults, sedimentary basins, earthquakes, and/or volcanism. With the right set of weakening feedbacks, a rift can evolve to break a continent into conjugate rifted margins such as those found along the Atlantic and Indian Oceans.

Rift basins have been increasingly the focus of research in tectonics, structural geology, and basin analysis. The reasons for this interest include: (1) Rift basins are found on all passive (Atlantic-type) continental margins and provide a record of the early stages of (super)continental breakup.

Rifting is the process in which continental crust is extended and thinned, forming extensional sedimentary basins and/or mafic dyke-swarms. Rifts commence as intracratonic, down-thrown blocks dominated by normal or oblique-extensional (transtensional) faults (e.g., the Rhine Graben in Germany and the East African Rift).