Effects of chemical, mineralogical, and temperature variations on the density and bulk sound veloci

• 作 者: BIAN Hui SUN NingYu MAO Zhu
• 机 构: LaboratoryofSeismologyandPhysicsofEarth',sInterior,NationalGeophysicsObservatoryatMengcheng
• 出 处: 中国科学：地球科学英文版
• 发表日期: 2016年10期
• 关键词: 温度变化 下地幔 矿物学 化学 声速 密度 热状态参数 CaSiO3 Bottom lower mantle Density Bulk sound velo
• 基金项目: This work was supported by the National Nat- ural Science Foundation of China （Grant No. 41522203）, the National Ba- sic Research Program of China （Grant No. 2014CB845904）, the Funda- mental Research

In this study, we have modeled the density(ρ) and bulk sound velocity(VΦ) profiles of the bottom lower mantle using the experimental thermal equation of state(EoS) parameters of lower-mantle minerals, including bridgmanite, ferropericlase,CaSiO3-perovskit