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....
15 KB (1,690 words) - 00:55, 4 January 2024
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...
20 KB (2,109 words) - 09:47, 3 September 2024
exothermic phase transition to the sorosilicate, wadsleyite and, at about 520 km (320 mi) depth, wadsleyite transforms exothermically into ringwoodite, which...
30 KB (3,050 words) - 12:22, 1 August 2024
of gas around a forming star. Two polymorphs of forsterite are known: wadsleyite (also orthorhombic) and ringwoodite (isometric, cubic crystal system)...
14 KB (1,409 words) - 18:04, 27 April 2024
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])...
28 KB (3,157 words) - 17:37, 3 August 2024
predicted by the single transition from α- to β- Mg2SiO4 (olivine to wadsleyite). From the Clapeyron slope this discontinuity is expected to be shallower...
24 KB (2,938 words) - 21:15, 3 August 2024
Mantle Transition Zone is mainly composed of 60 vol% olivine-polymorphs (wadsleyite, ringwoodite) and ~40 vol% majoritic garnet. The top and bottom boundary...
13 KB (1,441 words) - 20:14, 19 August 2024
e., contrary to forsterite there is no intermediate form analogous to wadsleyite; under the conditions prevailing in the upper mantle of the Earth, the...
6 KB (515 words) - 15:03, 3 May 2023
Vishnevite Vivianite Vladimirite Vlasovite Volborthite Vuagnatite Vulcanite Wadsleyite Wagnerite Wairakite Wakabayashilite Wakefieldite Walfordite Wardite Warikahnite...
42 KB (2,782 words) - 11:49, 1 September 2024
phases at the transition zone between Earth's upper and lower mantle, wadsleyite and ringwoodite, could potentially incorporate up to a few weight percent...
32 KB (2,849 words) - 05:00, 27 August 2024