郯庐断裂带中段幔源包体单矿物中的气体释放特征与成因

马锦龙; 陶明信; 叶先仁; 张小军

郯庐断裂带中段幔源包体单矿物中的气体释放特征与成因

1.
中国科学院兰州地质研究所气体地球化学重点实验室兰州 730000;
2.
兰州大学资源环境学院兰州 730000

基金项目: 国家973项目(编号:G1999043309);国家自然科学基金项目(批准号:49972081)资助

详细信息

作者简介:
马锦龙,1971年出生,男,回族,博士,讲师,地球化学

中图分类号: P593

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文章访问数: 717
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被引次数: 0

Degassing Characters and Its Origins of Mantle Aenoliths of Yishu Fracture Zone

1.
Key Laboratory of Gas Geochemistry, Lanzhou Institute of Geology,Chinese Academy of Science, Lanzhou 730000;
2.
School of Resources and Environmental Sciences,Lanzhou University, Lanzhou 730000

摘要

摘要: 地幔流体对探讨地球深部地质作用意义重大。对山东境内幔源包体矿物的分步加热表明其气体的释放有一定的规律性 :随温度升高,总释气量逐渐增加,至 6 5 0～ 80 0℃出现释气峰,随后释气量逐渐降低。气体各主要组分的释放特征是 :5 0 0℃总有CH₄释气峰;随温度升高,H₂ 释放呈增加趋势,而CO₂ 呈降低趋势,反映其各自赋存状态的差异和加热过程中可能发生的相互转化作用。根据各温度段气体组成特征,单矿物的释气特征可明显分为三个阶段,它们可能代表了矿物中不同演化阶段的气体.
- 幔源矿物 /
- 分步加热 /
- 释气特征 /
- 郯庐中段
Abstract: It is very important to study the mantle fluids for understanding deep geologic processes within the earth. There are following rules for degassing of mantle fluids by step-heating for the mantle xenoliths of Shandong province: ①the degassing characters of primary mantle fluid components are different and they are: the degassing peak value for CH ₄ are always at 500℃, and while more H₂ were degassed with higher temperature as less CO₂ were released;②three type fluids degassed in different temperature stage, such as 350～500℃,650～800℃ and 950～1100℃, implying different evolving stage fluids, were recognized.
- mantle derived minerals /
- step heating /
- characters of degassing /
- Yishu fracture zone

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参考文献(25)

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郯庐断裂带中段幔源包体单矿物中的气体释放特征与成因

作者简介:
马锦龙,1971年出生,男,回族,博士,讲师,地球化学

计量

Degassing Characters and Its Origins of Mantle Aenoliths of Yishu Fracture Zone

计量

目录

郯庐断裂带中段幔源包体单矿物中的气体释放特征与成因

1. 中国科学院兰州地质研究所气体地球化学重点实验室兰州 730000;

2. 兰州大学资源环境学院兰州 730000

作者简介:
马锦龙,1971年出生,男,回族,博士,讲师,地球化学

English Abstract

Degassing Characters and Its Origins of Mantle Aenoliths of Yishu Fracture Zone

1. Key Laboratory of Gas Geochemistry, Lanzhou Institute of Geology,Chinese Academy of Science, Lanzhou 730000;

2. School of Resources and Environmental Sciences,Lanzhou University, Lanzhou 730000

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郯庐断裂带中段幔源包体单矿物中的气体释放特征与成因

作者简介: 马锦龙,1971年出生,男,回族,博士,讲师,地球化学

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出版历程

Degassing Characters and Its Origins of Mantle Aenoliths of Yishu Fracture Zone

计量

出版历程

目录

郯庐断裂带中段幔源包体单矿物中的气体释放特征与成因

1. 中国科学院兰州地质研究所气体地球化学重点实验室 兰州 730000; 2. 兰州大学资源环境学院 兰州 730000

作者简介: 马锦龙,1971年出生,男,回族,博士,讲师,地球化学

English Abstract

Degassing Characters and Its Origins of Mantle Aenoliths of Yishu Fracture Zone

1. Key Laboratory of Gas Geochemistry, Lanzhou Institute of Geology,Chinese Academy of Science, Lanzhou 730000; 2. School of Resources and Environmental Sciences,Lanzhou University, Lanzhou 730000

全文HTML

目录

友情链接

期刊在线

联系我们

作者简介:
马锦龙,1971年出生,男,回族,博士,讲师,地球化学

1. 中国科学院兰州地质研究所气体地球化学重点实验室兰州 730000;

2. 兰州大学资源环境学院兰州 730000

作者简介:
马锦龙,1971年出生,男,回族,博士,讲师,地球化学

1. Key Laboratory of Gas Geochemistry, Lanzhou Institute of Geology,Chinese Academy of Science, Lanzhou 730000;

2. School of Resources and Environmental Sciences,Lanzhou University, Lanzhou 730000