Shear (geology)

（重定向自Shear deformation）

Boudinaged quartz vein(with strain fringe) showing sinistral shear sense, Starlight Pit, Fortnum Gold Mine, Western Australia

Asymmetric shear in basalt, Labouchere mine, Glengarry Basin, Australia. Shear asymmetry is sinistral, pen for scale

Typical example of dextral shear foliation in an L-S tectonite, with pencil pointing in direction of shear sense. Note the sinusoidal nature of the shear foliation.

Shear is the response of a rock to deformation usually by compressive stress and forms particular textures. Shear can be homogeneous or non-homogeneous, and may be pure shear or simple shear. Study of geological shear is related to the study of structural geology, rock microstructure or rock texture and fault mechanics.

单词	Shear deformation
释义	Shear deformation 英语百科 Shear (geology) （重定向自Shear deformation） Shear is the response of a rock to deformation usually by compressive stress and forms particular textures. Shear can be homogeneous or non-homogeneous, and may be pure shear or simple shear. Study of geological shear is related to the study of structural geology, rock microstructure or rock texture and fault mechanics.
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