Composition versus temperature induced velocity heterogeneities in a pyrolitic lower mantle
详细信息 查看全文
- 作者：Zhongqing Wua ; b ; wuzq10@ustc.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Renata M. Wentzcovitchc ; d
- 关键词：spin transition ; elasticity ; first-principles calculations ; bridgmanite ; mantle composition ; sound velocity
- 刊名：Earth and Planetary Science Letters
- 出版年：2017
- 出版时间：1 January 2017
- 年：2017
- 卷：457
- 期：Complete
- 页码：359-365
- 全文大小：1979 K
文摘
- •
Sensitivity of w the MathML source">Vϕ to compositional variations increases by several folds in spin crossover range.
- •
Velocity variations are positively correlated for the two primary compositional variations.
- •
w the MathML source">VP is insensitive to T variation but sensitive to compositional variation at mid lower mantle.