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Mineral thought to be abundant in the Earth's mantle
Wadsleyite is an orthorhombic mineral with the formula β-(Mg,Fe)2SiO4. It was first found in nature in the Peace River meteorite from Alberta, Canada.
Wadsleyite
Mineral of magnesium iron silicate
exothermic phase transition to the sorosilicate, wadsleyite and, at about 520 km (320 mi) depth, wadsleyite transforms exothermically into ringwoodite, which
Olivine
High-pressure phase of magnesium silicate
inferred to be present in large quantities in the Earth's mantle. Olivine, wadsleyite, and ringwoodite are polymorphs found in the upper mantle of the earth
Ringwoodite
Magnesium end-member of olivine, a nesosilicate mineral
of gas around a forming star. Two polymorphs of forsterite are known: wadsleyite (also orthorhombic) and ringwoodite (isometric, cubic crystal system)
Forsterite
Layer of silicate rock
the transition zone (approximately 410–660 km [250–410 mi]), in which wadsleyite (≈ 410–520 km [250–320 mi]) and ringwoodite (≈ 525–660 km [326–410 mi])
Earth's_mantle
Iron end-member of olivine, a nesosilicate mineral
e., contrary to forsterite there is no intermediate form analogous to wadsleyite; under the conditions prevailing in the upper mantle of the Earth, the
Fayalite
Model composition of the Earth's mantle
mantle transition zone is mainly composed of 60 vol% olivine-polymorphs (wadsleyite, ringwoodite) and ~40 vol% majoritic garnet. The top and bottom boundary
Pyrolite
Very thick layer of rock inside Earth
predicted by the single transition from α- to β- Mg2SiO4 (olivine to wadsleyite). From the Clapeyron slope this discontinuity is expected to be shallower
Upper_mantle
phases at the transition zone between Earth's upper and lower mantle, wadsleyite and ringwoodite, could potentially incorporate up to a few weight percent
Water_distribution_on_Earth
Vishnevite Vivianite Vladimirite Vlasovite Volborthite Vuagnatite Vulcanite Wadsleyite Wagnerite Wairakite Wakabayashilite Wakefieldite Walfordite Wardite Warikahnite
List_of_minerals
Application of oxidation state to the study of the Earth's mantle
Orthopyroxene, Clinopyroxene, Garnet Transition Zone 410–660 km 13-23 GPa Wadsleyite, Ringwoodite, Majoritic Garnet Lower Mantle 660–2891 km 23-129 GPa Ferropericlase
Mantle_oxidation_state
Movement of water in the deep Earth
transition zone, it undergoes a phase transition to wadsleyite, and at about 520 km depth, wadsleyite transforms into ringwoodite, which has the spinel
Deep_water_cycle
Coarse-grained ultramafic igneous rock
below that depth, olivine is converted to the higher-pressure mineral wadsleyite. Oceanic plates consist of up to about 100 km of peridotite covered by
Peridotite
Part of the Earth's mantle
(250 mi) as is predicted by the transition from α- to β-Mg2SiO4 (olivine to wadsleyite). From the Clapeyron slope, this change is predicted to occur at shallower
Transition_zone_(Earth)
Warikahnite War Welinite Wln Whiterockite Wrc Winchite Wnc Wülfingite Wfg Wadsleyite Wds Warkite Wki Weloganite Wlg Whitlockite Wht Windhoekite Whk Wumuite
List_of_mineral_symbols
Seismic wave velocity variation
acceleration. For example, olivine transforms into its denser polymorphs, wadsleyite and ringwoodite, at depths of approximately 410 and 660 km (250 and 410 mi)
Seismic_velocity_structure
Scientific study of meteors, meteorites and meteoroids
phases (e.g. coesite, akimotoite, majorite, ringwoodite, stishovite, wadsleyite). Water bearing minerals, and samples of liquid water (e.g., Zag, Monahans)
Meteoritics
Earthquake with a hypocenter depth exceeding 300 km
shallow-focus earthquake. Metastable olivine subducted past the olivine-wadsleyite transition at 320–410 km depth (depending on temperature) is a potential
Deep-focus_earthquake
Italian geologist (born 1971)
(clinopyroxenes, garnets, akimotoite, bridgmanite, hiroseite, ahrensite, wadsleyite, post-spinel phases, dense hydrous magnesium silicates); aperiodic structures
Luca_Bindi
meteorite) Mg2SiO4 Roaldite (Fe,Ni)4N Schreibersite (Fe,Ni)3P Sinoite Si2N2O Taenite γ-(Ni,Fe) Tetrataenite Troilite FeS Wadsleyite Mg2SiO4 Xifengite Fe5Si3
List_of_meteorite_minerals
crystal is formed by repeating 'Z' times the chemical formula). Examples: wadsleyite (Mg2SiO4) a sorosilicate and high pressure polymorph of forsterite and
List of minerals recognized by the International Mineralogical Association
List_of_minerals_recognized_by_the_International_Mineralogical_Association
IMA1986-008) 4.FA.10 [741] [742] [743] (IUPAC: zinc dihydroxide) Asimowite (wadsleyite: IMA2018-102) 9.B?. [744] [no] [no] (IUPAC: diiron tetraoxysilicate) Asisite
List of minerals recognized by the International Mineralogical Association (A)
List_of_minerals_recognized_by_the_International_Mineralogical_Association_(A)
Rocky planet orbiting the star Kepler-277
The uppermost mantle of Kepler-277b is thought to consist of olivine, wadsleyite, and ringwoodite while the lower part of Kepler-277b's upper mantle consists
Kepler-277b
Water and its precursors in asteroids
(2013). "Water in the Earth's mantle: a solid-state NMR study of hydrous wadsleyite". Chemical Science. 4 (4): 1523. doi:10.1039/c3sc21892a. hdl:1885/77486
Asteroidal_water
CA.10 [3] [4] [5] (IUPAC: dipotassium zirconium (nonaoxotrisilicate)) Wadsleyite (IMA1982-012) 9.BE.02 [6] [7] [8] (IUPAC: dimagnesium tetraoxosilicate)
List of minerals recognized by the International Mineralogical Association (W–X)
List_of_minerals_recognized_by_the_International_Mineralogical_Association_(W–X)
anisotropic material at depth beneath a station. In the transition zone, wadsleyite and/or ringwoodite could be aligned in LPO. Below the transition zone
Seismic_anisotropy
variety of academic and management positions. He discovered the mineral Wadsleyite, which is believed to make up part of the transition zone of the Earth’s
David Price (mineral physicist)
David_Price_(mineral_physicist)
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