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四川丹巴燕子沟金矿床成矿流体不混溶的流体包裹体证据
李葆华; 李雯霞; 顾雪祥; 肖渊甫; 吴大伟; 杜晓飞
2014-09-15
Source Publication地学前缘
Issue05Pages:41-49
Abstract四川丹巴燕子沟金矿床是产于泥盆系碳质板岩、千枚岩中的石英脉型金矿床,矿体形态呈脉状、似层状,明显受断裂构造和顺层韧性剪切带或层间破碎带控制。成矿过程可分为沉积期、热液期和表生期3个成矿期,其中热液成矿期为主要成矿期。该期石英脉中的流体包裹体分为H2O包裹体、CO2包裹体和CO2-H2O包裹体3大类,并以富含CO2-H2O包裹体为显著特征。加热时富H2O相CO2-H2O包裹体完全均一成H2O相,富CO2相CO2-H2O包裹体完全均一成CO2相,而且二者的完全均一温度和压力一致,说明它们是同期捕获的CO2-低盐水不混溶流体包裹体组合。当含CO2流体发生不混溶时,CO2的溶离使成矿流体中pH值升高、...
Keyword包裹体 不混溶流体 成矿流体来源 金矿床 四川丹巴
Language中文
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/2944
Collection青海盐湖研究所知识仓储
盐湖地质与环境实验室
Recommended Citation
GB/T 7714
李葆华,李雯霞,顾雪祥,等. 四川丹巴燕子沟金矿床成矿流体不混溶的流体包裹体证据[J]. 地学前缘,2014(05):41-49.
APA 李葆华,李雯霞,顾雪祥,肖渊甫,吴大伟,&杜晓飞.(2014).四川丹巴燕子沟金矿床成矿流体不混溶的流体包裹体证据.地学前缘(05),41-49.
MLA 李葆华,et al."四川丹巴燕子沟金矿床成矿流体不混溶的流体包裹体证据".地学前缘 .05(2014):41-49.
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