• Thumbnail for Low-velocity zone
    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...
    8 KB (945 words) - 00:11, 29 January 2025
  • 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...
    10 KB (1,171 words) - 13:29, 25 May 2025
  • Thumbnail for Large low-shear-velocity provinces
    Large low-shear-velocity provinces (LLSVPs), also called large low-velocity provinces (LLVPs) or superplumes, are characteristic structures of parts of...
    19 KB (2,163 words) - 05:37, 23 May 2025
  • Thumbnail for Asthenosphere
    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...
    19 KB (2,178 words) - 18:18, 24 May 2025
  • occurred twice. Dzhanibekov effect Large low-shear-velocity provinces Low-velocity zone Ultra low velocity zone Inner core super-rotation Intermediate axis...
    17 KB (1,843 words) - 05:59, 19 February 2025
  • Thumbnail for Altiplano-Puna Magma Body
    to coincide with the low velocity zone associated with the APMB. Further magnetotelluric studies showed that the region has low electrical resistivities...
    14 KB (1,604 words) - 16:51, 21 May 2025
  • confirm whether those ultra-low velocity zones are indeed ferropericlase by observing the exact amount of change in the velocity of seismic waves passing...
    5 KB (545 words) - 01:39, 15 May 2025
  • Thumbnail for Juan de Fuca plate
    boundary to subduction zones, specifically in the convergent margins. Using teleseismic body-wave tomography, a low-velocity zone of thickness 50~100 km...
    12 KB (1,331 words) - 00:09, 9 May 2025
  • 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...
    18 KB (2,039 words) - 00:08, 23 May 2025
  • Thumbnail for Mars
    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...
    209 KB (18,461 words) - 20:56, 15 May 2025
  • Thumbnail for Hawaii hotspot
    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...
    72 KB (8,312 words) - 21:04, 22 May 2025
  • Thumbnail for Core–mantle boundary
    irregularities within the boundary zone and appear to be dominated by the African and Pacific Large low-shear-velocity provinces (LLSVP). The uppermost...
    9 KB (943 words) - 10:36, 13 September 2024
  • Thumbnail for Craton
    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...
    23 KB (2,569 words) - 07:48, 25 May 2025
  • Thumbnail for Lehmann discontinuity
    "Mineralogy and elasticity of the oceanic upper mantle: Origin of the low-velocity zone". J. Geophys. Res. 110 (B3): B03204. Bibcode:2005JGRB..110.3204S....
    4 KB (399 words) - 15:04, 26 May 2025
  • Thumbnail for Seismic velocity structure
    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...
    13 KB (1,445 words) - 21:59, 22 May 2025
  • 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...
    37 KB (4,400 words) - 22:09, 16 March 2025
  • Thumbnail for Beno Gutenberg
    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...
    9 KB (879 words) - 21:43, 7 April 2025
  • 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...
    54 KB (6,134 words) - 15:54, 22 May 2025
  • Thumbnail for Valles Caldera
    by ongoing volcanic activity. Seismic investigations show that a low-velocity zone lies beneath the caldera, suggesting the presence of partial melt...
    43 KB (3,803 words) - 23:00, 23 May 2025
  • Thumbnail for Earth's mantle
    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
  • Thumbnail for Mantle plume
    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
  • Thumbnail for Lithosphere–asthenosphere boundary
    exists seismically fast lithosphere (or a lithospheric lid) above a low-velocity zone (LVZ). Seismic tomographic studies suggests that the LAB is not purely...
    14 KB (1,620 words) - 19:06, 25 May 2025
  • Thumbnail for Altiplano–Puna volcanic complex
    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...
    46 KB (5,809 words) - 16:01, 23 May 2025
  • Thumbnail for Jemez Mountains
    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...
    161 bytes (50 words) - 21:26, 22 November 2021
  • 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...
    98 KB (11,931 words) - 12:29, 22 May 2025
  • Thumbnail for Surface wave inversion
    wave inversion readily images low-velocity zones. Refraction methods cannot see low-velocity zones because such a zone would bend the traversing wave...
    22 KB (3,253 words) - 21:08, 18 May 2022