Trace Element Response to Mantle Process: Application of Magma Migration

大洋中脊微量元素分布的变化 通常用于约束熔化源等参数 成分，熔化的深度和程度，以及 来源地区。 传统的微量元素模型假设一些模型 一般来说，熔化过程不包括 岩浆迁移或微量元素迁移的物理学。 目的 这项研究的目的是调查和量化 可观察到的微量元素变化的参数， 制度，敏感的是微量元素分布的行为， 区分不同的潜在地幔过程。 的 任意初始微量元素分布的行为可以是 计算了一系列物理上一致的模型， 地幔中熔体和固体的流动 以下问题 将是地址。 微量元素的行为有多敏感 改变参数如流动状态，熔化程度， 物源特征、孔渗结构？ 让这些 参数恢复从微量元素分布观察， 表面？ 使用恢复的参数中有哪些错误 更传统的融化模式

Variations in trace element distributions at mid-ocean ridges have often been used to constrain parameters such as melting source compositions, depth and degree of melting, and size and shape of source regions. Traditional trace element models assume some model of the melting process that, in general, do not include either the physics of magma migration or trace element transport. The purpose of this research is to investigate and quantify to what degree observable trace elements to varying parameters such as flow regime, sensitive is the behavior of trace element distribution can distinguish between different potential mantel processes. The behavior of arbitrary initial trace element distributions can be calculated for a range of physically consistent models governing the flow of melt and solid in the mantle. The following questions will be addresses. How sensitive is the behavior of trace elements to varying parameters such as flow regime, degree of melting, source characteristics, porosity/permeability structure? Can these parameters be recovered from trace element distribution observed at the surface? What are the errors in the parameters recovered using more traditional melting models?