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Oblique foliation information


In geology 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 and their associated rocks, usually mylonites.

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Oblique foliation

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In geology oblique foliation, steady state foliation or oblique fabric is a special type of a tectonically produced foliation or fabric, most commonly...

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Fissure

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fault Transfer zone Transform fault Foliation and lineation Cleavage Compaction Crenulation Fissility Oblique foliation Pressure solution Rock microstructure...

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Strike and dip

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fractures, faults, joints, cuestas, igneous dikes and sills, metamorphic foliation and fabric, etc. Observations about a structure's orientation can lead...

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Strain partitioning

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Basil (2002). "Competency contrast, kinematics, and the development of foliations and lineations in the crust". Journal of Structural Geology. 24 (6–7):...

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Villarceau circles

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cover each point of the torus exactly once and thus forms a 1-dimensional foliation of the torus. The Villarceau circles are named after the French astronomer...

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Great Lakes tectonic zone

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intensity of foliation increasing toward margins.: 8  The western part of the Southern Complex shows intricate phases of folding and foliation.: 8  These...

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Franciscan Complex

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Marin County, California. Pencil for scale. The strong anastomosing foliation is folded, sub-vertical in the lower part of the photo and more gently...

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Transpression

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zone-parallel shearing. Commonly developed features include transposition foliations, lineations, stylolites, folds, and reverse faults. Pure shear-dominated...

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Stereographic projection

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with the orientations of planes and lines for a number of reasons. The foliation of a rock is a planar feature that often contains a linear feature called...

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Glossary of geology

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calcium and sodium. fels A massive metamorphic rock lacking schistosity or foliation. felsic Silicate minerals, magmas, and rocks which are enriched in the...

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Geology of Sierra Leone

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northeast-southwest foliation, that extends into the interior. The western structural unit encompasses the coastal areas and is oblique to the grain of the...

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Cathedral Peak Granodiorite

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magmatic foliations can be observed: a major NNW-SSE-striking, steeply dipping foliation bearing a steep lineation. a secondary ESE-WNW-striking foliation. Schlieren...

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Geology of Tasmania

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tungsten–molybdenum, tin–copper and silver–lead–zinc veins. Folding and foliation occurred in northeast Tasmania during the Devonian after the granites...

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Solund Basin

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the lowermost metre of the conglomerates is strongly sheared, with a foliation parallel to the fault and the clasts become elongated in a direction parallel...

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Emily Ann and Maggie Hays nickel mines

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by thrusts. Deformation intensity is heterogeneous, ranging from weak foliation overprints to extreme 10:1 or 20:1 l-tectonite mylonite development. Production...

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Tremp Formation

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eggs displayed extensive bioturbation, minor faults, and penetrative foliation with a northeast–southwest orientation. Eggshell fragments were often...

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Fiskavaig

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the V-rod has also been obliterated, but the other retains most of its foliation. Carved from a slab of schist, the stone bears double disc and Z-rod and...

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