- shear foliation
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сланцеватость скалывания
English-Russian dictionary of geology. 2011.
shear foliation
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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
Foliation (geology) — Foliation is any penetrative planar fabric present in rocks. Foliation is common to rocks affected by regional metamorphic compression typical of orogenic belts. Rocks exhibiting foliation include the typical metamorphic rock sequence of slate,… … Wikipedia
Foliation oblique — La foliation oblique ou texture oblique est une foliation/texture spéciale produite pendant la déformation cisaillante. Elle est bien exprimée dans les lits quartzeux des mylonites. En microtectonique cette structure sert à déterminer le sens de… … Wikipédia en Français
Oblique foliation — Oblique foliation, steady state foliation or oblique fabric is a special type of a tectonically produced foliation or fabric, most commonly in quartz rich layers. The microtectonic structure can be used to determine the shear sense in shear zones … Wikipedia
Schräge Foliation — oder schräges Gefüge ist eine während des tektonischen Verformungsprozesses entstehende spezielle Art von Foliation. Dieses Gefüge tritt hauptsächlich in quarzreichen Lagen von Myloniten auf. Es wird in der Mikrotektonik, einem Teilgebiet der… … Deutsch Wikipedia
Boudinage — is a geological term for structures formed by extension, where a rigid tabular body such as a bed of sandstone, is stretched and deformed amidst less competent surroundings. The competent bed begins to break up, forming sausage shaped boudins.… … Wikipedia
Rock microstructure — includes the texture of a rock and the small scale rock structures. The words texture and microstructure are interchangeable, with the latter preferred in modern geological literature. However, texture is still acceptable because it is a useful… … Wikipedia
glacier — glaciered, adj. /glay sheuhr/, n. an extended mass of ice formed from snow falling and accumulating over the years and moving very slowly, either descending from high mountains, as in valley glaciers, or moving outward from centers of… … Universalium
Crenulation — or Crenulation cleavage is a texture formed in metamorphic rocks such as phyllite, schist and some gneiss by two or more stress directions resulting in superimposed foliations. Contents 1 Formation 2 Recognition 3 Analysis … Wikipedia
Lineation (geology) — Lineations in structural geology are linear structural features within rocks. There are two types of lineations, intersection lineations and stretching lineations.Intersection lineationsIntersection lineations are imaginary linear structures… … Wikipedia
Ignimbrite — is a volcanic pyroclastic rock, often of dacitic or rhyolitic composition. Ignimbrite is the deposit of a pumice rich pyroclastic density current, or pyroclastic flow , a hot suspension of particles and gases that flows rapidly from a volcano,… … Wikipedia
