shear zone


shear zone
noun
: a zone of shear structure or of closely spaced approximately parallel faults that often becomes a channel for underground solutions and the seat of ore deposition

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Geol. a zone of closely spaced, approximately parallel faults or dispersed displacements.
[1910-15]

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shear zone,
Geology. a belt of rock crushed and metamorphosed by compression: »

Along shear zones massive rocks become schists.


Useful english dictionary. 2012.

Look at other dictionaries:

  • shear zone — /ˈʃɪə zoʊn/ (say shear zohn) noun a geological zone in which shearing (see shear def. 7) has occurred on a large scale, so that the rock is crushed and brecciated …   Australian English dictionary

  • shear zone — Geol. a zone of closely spaced, approximately parallel faults or dispersed displacements. [1910 15] * * * …   Universalium

  • Shear zone — Область сдвиговых напряжений …   Краткий толковый словарь по полиграфии

  • Foumban Shear Zone — The Foumban Shear Zone, or Central Cameroon Shear Zone (CCSZ), is a fault zone in Cameroon that has been identified with the Pernambuco fault in northeastern Brazil, which splays from the Trans Brazilian Lineament.[1] It is part of the Central… …   Wikipedia

  • Shear (geology) — Study of geological shear is related to the study of structural geology, rock microstructure or rock texture and fault mechanics. Shear is the response of a rock to deformation usually by compressive stress and forms particular textures. Shear… …   Wikipedia

  • Zone de cisaillement — La zone de cisaillement est une surface de discontinuité tectonique très importante affectant l écorce et le manteau supérieur. Elle résulte d une déformation inhomogène concentrant des mouvements relatives dans les zones planaires ou curvilignes …   Wikipédia en Français

  • High Shear Mixer — 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 be immiscible.Input of energyThis phase transport is accomplished by an input of energy …   Wikipedia

  • Cochabamba Fault Zone — The Cochabamba Fault Zone or Cochabamba Shear Zone is a east southeast trending zone of sinistral strike slip faults near the city of Cochabamba in the Bolivian Andes. The movements along Cochabamba Fault Zone are related to the bend in the Andes …   Wikipedia

  • Wind shear — Wind shear, sometimes referred to as windshear or wind gradient, is a difference in wind speed and direction over a relatively short distance in the atmosphere. Wind shear can be broken down into vertical and horizontal components, with… …   Wikipedia

  • wind shear — /wind/ 1. the rate at which wind velocity changes from point to point in a given direction. 2. a condition, dangerous to aircraft, in which the speed or direction of the wind changes abruptly. Cf. microburst. [1940 45] * * * Rate of change of… …   Universalium