岩浆房持续的时间：矿物内元素扩散年代学研究进展及展望
陈祖兴1,3(
),曾志刚1,2,3(),王晓媛1,3,殷学博1,3,陈帅1,3,张玉祥1,3
),曾志刚1,2,3(),王晓媛1,3,殷学博1,3,陈帅1,3,张玉祥1,3
Duration of Magma Chamber： Progress and Prospect of Element Diffusion Chronometry of Minerals
Zuxing Chen1,3(),Zhigang Zeng1,2,3(),Xiaoyuan Wang1,3,Xuebo Yin1,3,Shuai Chen1,3,Yuxiang Zhang1,3
),Zhigang Zeng1,2,3(),Xiaoyuan Wang1,3,Xuebo Yin1,3,Shuai Chen1,3,Yuxiang Zhang1,3
图1. 通过扩散逐步改变晶体环带成分示意图[
（a）晶体与其寄主熔体平衡生长；（b）沿（a）中晶体上的粗红线所示轮廓的某元素浓度；（c）该晶体进入新的熔体中，处于非平衡状态;（d）成分环带随时间的演变
Fig.1. Schematic diagrams of the gradual modification of composition of the crystal zoning by diffusion[
(a) A crystal grows in equilibrium with host magma;(b) The concentration of some element along the profile shown by the thick red line across the crystal in (a); (c) This crystal is transferred to a new melt and in disequilibrium with it; (d) The evolution of the element compositional profile with time
