In geology, a shear zone is a thin zone within the Earth's crust or upper mantle that has been strongly deformed, due to the walls of rock on either side...
12 KB (1,515 words) - 20:29, 5 April 2024
may be difficult to place a distinct fault plane into the shear zone. Shear zones may form zones of much more intense foliation, deformation, and folding...
9 KB (1,076 words) - 11:33, 24 May 2025
The Foumban Shear Zone, or Central Cameroon Shear Zone (CCSZ), is a fault zone in Cameroon that has been correlated with the Pernambuco fault in northeastern...
3 KB (340 words) - 03:11, 5 November 2024
The Mwembeshi Shear Zone is a ductile shear zone about 550 million years old that extends ENE–WSW across Zambia. In Zambia, it separates the Lufilian Belt...
5 KB (529 words) - 09:22, 5 April 2025
The Central African Shear Zone (CASZ) (or Shear System) is a wrench fault system extending in an ENE direction from the Gulf of Guinea through Cameroon...
6 KB (629 words) - 11:03, 29 November 2023
Walker Lane (redirect from Eastern California Shear Zone)
of a spatially segregated displacement field. The eastern California shear zone is the portion of the Walker Lane that extends south from Owens Valley...
8 KB (755 words) - 20:06, 29 November 2024
Alice Springs Orogeny (section Redbank Shear Zone)
deformation: the Redbank Shear Zone and the Officer Basin. The Redbank Shear Zone in the Arunta Block, is a reverse sense shear zone dipping north at about...
8 KB (1,009 words) - 11:48, 19 November 2023
Achankovil (section Achenkovil shear zone)
of Achankovil Shear Zone..." ResearchGate. Retrieved 24 October 2021. Praharaj, P.; S, R. (1 December 2018). "The Achankovil Shear Zone, Southern India:...
13 KB (1,057 words) - 21:14, 4 May 2025
A high-shear mixer disperses, or transports, one phase or ingredient (liquid, solid, gas) into a main continuous phase (liquid), with which it would normally...
11 KB (1,377 words) - 18:18, 7 May 2025
low in rare-earth elements. In northern Portugal, along the Vigo–Régua shear zone, the monzogranites belong to the syn-F3 biotite granitoid group. They...
6 KB (602 words) - 18:11, 26 May 2025
Gawler Craton (section Central Yarlbrinda Shear Zone)
the Kalaran Orogeny which generated a major fold belt or shear zone, the Fowler Shear Zone, ca. 1600–1540 Ma. Economically important deposits found in...
8 KB (973 words) - 04:23, 15 May 2025
Sierra Ballena Shear Zone or SBSZ is a sinistral strike-slip shear zone running across the Uruguayan Shield in eastern Uruguay and the Brazilian state...
2 KB (158 words) - 08:42, 5 April 2025
called shear zones) in which large deformations are concentrated. Slides are also sub-classified by the form of the surface(s) or shear zone(s) on which...
65 KB (7,371 words) - 13:56, 30 May 2025
Shear Zone (PSZ), the Thabazimbi-Murchison Lineament (TML), the Brits Shear Zone (BSZ), the Olifants River Shear Zone (ORSZ) and the Steelpoort Shear...
64 KB (7,355 words) - 20:20, 22 May 2025
Dan Shear Zone is a north–south trending shear zone in Northeastern Ontario, Canada, located in the municipality of Temagami. The Big Dan Shear Zone was...
2 KB (238 words) - 21:00, 22 July 2023
Atacama Fault (redirect from Infiernillo Shear Zone)
deformation occurred in the Late Jurassic, creating north-striking mylonitic shear zones. A belt formed through a compressive regime in the early Cretaceous,...
9 KB (996 words) - 13:06, 27 May 2025
fractures that are parallel to the major stress orientation, σ1, in a shear zone. They are subsequently filled by precipitation of a mineral, typically...
2 KB (157 words) - 08:14, 22 April 2024
San Andreas Fault (redirect from San Andreas Fault Zone)
Sierra Nevada mountains called the Walker Lane or Eastern California Shear Zone. The reason for this is not clear. Several hypotheses have been offered...
43 KB (4,443 words) - 02:33, 25 May 2025
Complex. The district is traverse by the NNE-oriented Infiernillo Shear Zone. This shear zone there is marked by mylonites and synkinematic migmatites. Alteration...
1 KB (139 words) - 14:51, 27 May 2025
Geology of the Iberian Peninsula (redirect from Ossa Morena Zone)
Malpica-Lamego line is a shear zone forming a line running north–south on the west side of the Galicia-Trás-os-Montes zone. It is 275 km long and associated...
98 KB (12,169 words) - 17:32, 13 December 2024
Fold (geology) (section Folding in shear zones)
hinge zone. Concentric folds are caused by warping from active buckling of the layers, whereas similar folds usually form by some form of shear flow where...
28 KB (3,010 words) - 00:25, 26 May 2025
ductile shear zone within which this outcrop resides. The spherical conglomerate pebbles stretched along the direction of movement of this shear zone, attaining...
6 KB (739 words) - 04:26, 26 May 2025
major shear zones both running roughly in north-south direction the dextral Sarandí del Yí-Piriápolis Shear Zone and the sinistral Sierra Ballena Shear Zone...
11 KB (1,188 words) - 03:14, 11 November 2024
depositional contacts, while faults and shear zones are of particular interest in structural geology. Faults and shear zones can be regarded as a form of secondary...
8 KB (960 words) - 17:44, 7 September 2024
Foumban Shear Zone, which was active before and during the opening of the South Atlantic in the Cretaceous period. The western end of the shear zone is obscured...
30 KB (3,715 words) - 16:01, 26 May 2025
overall ore grade is only about 0.1% uranium. The Bohemian Massif contains shear zone hosted uranium deposits with the most important one being Rozna-Olsi in...
48 KB (5,052 words) - 14:04, 1 June 2025
the named shear zones affecting the rocks of Great Britain and the Isle of Man. See the main article on shear for a fuller treatment of shear in rocks...
5 KB (377 words) - 12:50, 11 May 2025
shear zones include the Hamisana Shear Zone (665–610 Ma), the Ar-Rika–Qazaz Shear Zone (640–610 Ma) within the Najd Fault System, and the Oko Shear Zone...
15 KB (1,836 words) - 16:21, 1 April 2025
Craton Shear zones Aswa Dislocation Broodkop Shear Zone Central African Shear Zone Chuan Shear Zones Foumban Shear Zone Kandi Fault Zone Mwembeshi Shear Zone...
23 KB (2,658 words) - 18:30, 27 May 2025
along the shear zone, thereby reducing the barrier for shear band propagation. Timothy, S. P. (1987-02-01). "The structure of adiabatic shear bands in...
9 KB (1,158 words) - 21:01, 22 May 2025