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  2. Fracture (geology) - Wikipedia

    en.wikipedia.org/wiki/Fracture_(geology)

    A fracture is any separation in a geologic formation, such as a joint or a fault that divides the rock into two or more pieces. A fracture will sometimes form a deep fissure or crevice in the rock. Fractures are commonly caused by stress exceeding the rock strength, causing the rock to lose cohesion along its weakest plane. [1]

  3. Fracture - Wikipedia

    en.wikipedia.org/wiki/Fracture

    Fracture is the appearance of a crack or complete separation of an object or material into two or more pieces under the action of stress.The fracture of a solid usually occurs due to the development of certain displacement discontinuity surfaces within the solid.

  4. Structural geology - Wikipedia

    en.wikipedia.org/wiki/Structural_geology

    Structural geology is the study of the three-dimensional distribution of rock units with respect to their deformational histories. The primary goal of structural geology is to use measurements of present-day rock geometries to uncover information about the history of deformation ( strain ) in the rocks, and ultimately, to understand the stress ...

  5. Fractography - Wikipedia

    en.wikipedia.org/wiki/Fractography

    Fractography is the study of the fracture surfaces of materials. Fractographic methods are routinely used to determine the cause of failure in engineering structures, especially in product failure and the practice of forensic engineering or failure analysis.

  6. Deformation mechanism - Wikipedia

    en.wikipedia.org/wiki/Deformation_mechanism

    In geology and materials science, a deformation mechanism is a process occurring at a microscopic scale that is responsible for deformation: changes in a material's internal structure, shape and volume. [1] [2] The process involves planar discontinuity and/or displacement of atoms from their original position within a crystal lattice structure.

  7. Deformation (engineering) - Wikipedia

    en.wikipedia.org/wiki/Deformation_(engineering)

    Under tensile stress, plastic deformation is characterized by a strain hardening region and a necking region and finally, fracture (also called rupture). During strain hardening the material becomes stronger through the movement of atomic dislocations. The necking phase is indicated by a reduction in cross-sectional area of the specimen.

  8. Fact check: Videos of people falling from buildings are over ...

    www.aol.com/fact-check-videos-people-falling...

    The second video. A reply to one of the posts which includes the second video said that the video was from May 2024. That reply linked to another post on X which was from May and showed the same ...

  9. Anderson's theory of faulting - Wikipedia

    en.wikipedia.org/wiki/Anderson's_Theory_of_Faulting

    In geology, stress is defined as a force applied to a material. There are 4 types of stresses that rocks are subject to. First of which is when rock is pushed down by the weight of all the rocks above it, preventing it from moving. This is called confining stress and is predominant deep beneath the Earth's surface. The second type is compression.

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