The Generation and Mobilization of Dehydration Melts: The Formation of Migmatites, Plutons and Mixed Magmas

提出的研究目标是扩展最近开发的复杂的数值模型，用于脱水熔融形成的熔体的产生和输送，并以迭代的方式将结果应用于已经得到充分研究的意大利Ivrea-Verbano区。将数值模拟工作与充分研究的野外区域联系起来是理解脱水融化的必要和关键因素。在脱水过程中产生的部分熔体被广泛认为是地质上真实的化学转移剂。这些熔体的流动性对麻粒岩地体的发育和地幔“交代”流体的分布具有重要意义。

9508291 Bergantz The objectives of the proposed research are to extend recently developed, sophisticated numerical models for the generation and transport of melts formed by dehydration melting and to apply the results, in an iterative fashion, to the well-studied Ivrea-Verbano Zone of Italy. Linking numerical modeling efforts to a well-studied field area is an essential and key element in understanding dehydration melting. Partial melts produced during dehydration are becoming widely appreciated as geologically realistic agents of chemical transfer. The mobility of such melts is important in the devleopment of granulite terranes and in the distribution of mantle "metasomatic" fluids.