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大别-苏鲁造山带超高压榴辉岩和脉体磷灰石含氯特征与变质流体演化
  • ISSN号：0023-074X
  • 期刊名称：科学通报
  • 时间：2013.7.29
  • 页码：2165-2168
  • 分类：P588.34[天文地球—岩石学;天文地球—地质学]
  • 作者机构：[1]中国科学院地质与地球物理研究所岩石圈演化国家重点实验室,北京100029
  • 相关基金：国家重点基础研究发展计划（2009CB825001）; 国家自然科学基金（41072049,41090371）资助
  • 相关项目：板块俯冲和折返过程中的熔流体释放、元素活动性和地幔交代
作者： 刘景波, 张灵敏, 陈意, 郭顺, 程南飞|
关键词： 大别-苏鲁超高压, 变质带, 榴辉岩, 磷灰石, 变质流体, 变质作用
中文摘要：

根据磷灰石中的氯组分含量,研究了大别-苏鲁超高压变质带中榴辉岩和其中的脉体形成过程中流体的盐度及其变化.仰口榴辉岩中磷灰石在进变质过程中显示为氯含量增加,反映出俯冲的大陆岩石经受了一个逐步干化和流体活动性降低的过程;在退变质过程中氯含量降低,反映超高压岩石折返过程中流体含量增加.大别-苏鲁超高压变质带一些典型的露头,包括池庄、青龙山、毛北、碧溪岭、毛屋、朱家冲和花凉亭等地的超高压榴辉岩及其中的脉体,其磷灰石成分变化很大,指示榴辉岩相变质和脉体形成过程中流体盐度变化很大,从低盐度流体到高盐度流体均存在,不同露头有所差异.总体来看,不同盐度的流体在变质过程中普遍存在,流体盐度的变化可能与大陆地壳俯冲/折返过程中岩石水化和脱水反应有关.

同期刊论文项目
板块俯冲和折返过程中的熔流体释放、元素活动性和地幔交代
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高压、超高压变质岩中羟基矿物的含氯性研究
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期刊信息
  • 《科学通报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国科学院
  • 主编：周光召
  • 地址：北京东黄城根北街16号
  • 邮编：100717
  • 邮箱：csb@scichina.org
  • 电话：010-64036120 64012686
  • 国际标准刊号：ISSN：0023-074X
  • 国内统一刊号：ISSN：11-1784/N
  • 邮发代号:80-213
  • 获奖情况:
  • 首届国家期刊奖,中国期刊方阵“双高”期刊,第三届中国出版政府奖
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  • 被引量:81792