In geology, the low-velocity zone (LVZ) occurs close to the boundary between the lithosphere and the asthenosphere in the upper mantle. It is characterized...
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Ultra low velocity zones (ULVZs) are patches on the core-mantle boundary that have extremely low seismic velocities. The zones are mapped to be hundreds...
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Large low-shear-velocity provinces (LLSVPs), also called large low-velocity provinces (LLVPs) or superplumes, are characteristic structures of parts of...
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to the overlying lithospheric mantle. Thus, it has been called the low-velocity zone (LVZ), although the two are not strictly the same; the lower boundary...
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occurred twice. Dzhanibekov effect Large low-shear-velocity provinces Low-velocity zone Ultra low velocity zone Inner core super-rotation Intermediate axis...
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to coincide with the low velocity zone associated with the APMB. Further magnetotelluric studies showed that the region has low electrical resistivities...
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Ferropericlase (section Spin transition zone)
confirm whether those ultra-low velocity zones are indeed ferropericlase by observing the exact amount of change in the velocity of seismic waves passing...
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boundary to subduction zones, specifically in the convergent margins. Using teleseismic body-wave tomography, a low-velocity zone of thickness 50~100 km...
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Subsurface mapping by ambient noise tomography (section Linkage of geological structure with velocity zone)
Therefore, a low velocity zone can indicate some vacuum space in the subsurface layer, such as void space and faults. Conversely, a high velocity zone may refer...
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on the planet's surface. The upper Martian mantle is a low-velocity zone, where the velocity of seismic waves is lower than surrounding depth intervals...
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Hawaii hotspot (category Seismic zones of the United States)
Tomographic images show a thin low-velocity zone extending to a depth of 1,500 km (930 mi), connecting with a large low-velocity zone extending from a depth of...
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Core–mantle boundary (redirect from D" Zone)
irregularities within the boundary zone and appear to be dominated by the African and Pacific Large low-shear-velocity provinces (LLSVP). The uppermost...
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At that depth, craton roots extend into the asthenosphere, and the low-velocity zone seen elsewhere at these depths is weak or absent beneath stable cratons...
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"Mineralogy and elasticity of the oceanic upper mantle: Origin of the low-velocity zone". J. Geophys. Res. 110 (B3): B03204. Bibcode:2005JGRB..110.3204S....
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the Low Velocity Zone (LVZ) in the Martian upper mantle and may be caused by a static layer overlying a convective mantle. The reduction in velocity at...
83 KB (7,562 words) - 15:03, 22 May 2025
"Mineralogy and elasticity of the oceanic upper mantle: Origin of the low-velocity zone". Journal of Geophysical Research: Solid Earth. 110 (B3). Bibcode:2005JGRB...
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Slow earthquake (redirect from Low frequency earthquake)
high Vp/Vs ratios (P wave velocity divided by S wave velocity) and is designated as a Low Velocity Zone (LVZ). Furthermore, the LVZ has high Poisson's ratios...
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Conrad secure his relocation to the United States. Gutenberg, B (1960), "Low-Velocity Layers in the Earth, Ocean, and Atmosphere.", Science, vol. 131, no. 3405...
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Seismic tomography (section Subduction Zones)
well as large low-velocity zones in the deep mantle that likely contribute to the formation of mantle plumes. These large low-shear velocity provinces as...
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by ongoing volcanic activity. Seismic investigations show that a low-velocity zone lies beneath the caldera, suggesting the presence of partial melt...
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contains large low-shear-velocity provinces and ultra low velocity zones. The top of the mantle is defined by a sudden increase in seismic velocity, which was...
28 KB (3,248 words) - 14:53, 24 May 2025
paleomagnetic data show that mantle plumes can also be associated with Large Low Shear Velocity Provinces (LLSVPs) and do move relative to each other. The current...
49 KB (6,053 words) - 07:46, 7 July 2024
Anahim hotspot (category Seismic zones of British Columbia)
low-velocity zone in the upper mantle. These low seismic velocity zones often indicate hotter and more buoyant mantle material. The low-velocity zone...
37 KB (4,486 words) - 08:47, 24 May 2025
exists seismically fast lithosphere (or a lithospheric lid) above a low-velocity zone (LVZ). Seismic tomographic studies suggests that the LAB is not purely...
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indicate the presence of melts in a layer called the Altiplano–Puna low velocity zone or Altiplano Puna magma body. Regional variations of activity north...
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seismic low-velocity zone with an area of 10 by 14 kilometers (6.2 by 8.7 mi) and extending to depths of 5 to 15.5 kilometers (3.1 to 9.6 mi). This zone consists...
23 KB (2,609 words) - 10:14, 26 January 2025
The acronym LVZ can stand for: Low-velocity zone, in tectonics Leipziger Volkszeitung, a daily newspaper in Leipzig, Germany This disambiguation page...
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Joint manipulation (redirect from High velocity low amplitude thrust)
Because of its distinct biomechanics (see section below), the term high velocity low amplitude (HVLA) thrust is often used interchangeably with manipulation...
33 KB (4,093 words) - 20:22, 26 May 2025
Presnall, D.; Gudfinnsson, G. (2011). "Oceanic volcanism from the low-velocity zone – without mantle plumes". Journal of Petrology. 52 (7–8): 1533–1546...
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wave inversion readily images low-velocity zones. Refraction methods cannot see low-velocity zones because such a zone would bend the traversing wave...
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