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Accommodation zones may be located where older crustal structures intersect the rift axis. In the Gulf of Suez rift, the Zaafarana accommodation zone is located where a shear zone in the Arabian-Nubian Shield meets the rift. [6] Rift flanks or shoulders are elevated areas around rifts. Rift shoulders are typically about 70 km wide. [7]
As the rift valley aged, extensive deformation developed on both sides of the lake, converting them into asymmetric full grabens. [8] A generalized cross section of the Albuquerque Basin from east to west. Note the half-graben geometry, Paleozoic and Mesozoic sediments that existed pre-rift, and the large (up to 28%) amount of extension. [11]
Graphical geometry of a propagating rift. Red arrow indicates spreading direction. A propagating rift is a seafloor feature associated with spreading centers at mid-ocean ridges and back-arc basins. [1] They are more commonly observed on faster rate spreading centers (50 mm/year or more). [2]
A passive margin forms by sedimentation above an ancient rift, now marked by transitional lithosphere. Continental rifting forms new ocean basins. Eventually the continental rift forms a mid-ocean ridge and the locus of extension moves away from the continent-ocean boundary. The transition between the continental and oceanic lithosphere that ...
The Atlantic rift zone is associated with the North Sea rifts zone. [13] "Rift basins share similar characteristics and histories, one that is conducive to evaporite deposition. They typically form during extension of the earth's crust with a distinct basement architecture made up of grabens and half-grabens segmented by transverse structures ...
Riemannian geometry is the branch of differential geometry that studies Riemannian manifolds, defined as smooth manifolds with a Riemannian metric (an inner product on the tangent space at each point that varies smoothly from point to point).
During its brief post-rift history, the deepest part of the remnant rift topography has been filled by the sea, creating the Gulf of Suez. North of the Gulf of Suez the rift becomes indistinct and its exact geometry uncertain, linking eventually to the Manzala rift beneath the Nile delta. [2]
A transfer zone in geology is an area where deformational strain is transferred from one structural element to another typically from fault to fault in rift systems. . Therefore, listric faults and monoclinal folds in the hanging wall are typical structures linked by transfer zones; however, complexitie