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甘肃金川Ⅱ号岩体岩相学特征及分离结晶过程探讨
李士彬; 宋谢炎; 胡瑞忠; 陈列锰; 聂晓勇
2007
Source Publication岩石学报
Volume23Issue:10Pages:2553-2560
metadata_24其它
Abstract金川Ⅱ号岩体主要由二辉橄榄岩和硫化物橄榄岩构成,中细粒含辉橄榄岩呈"上悬体"产于岩体顶部,与中粒二辉橄榄岩呈短程渐变关系,反映出岩浆或"晶粥"多期贯入的特点.在各岩相矿物之间的岩相学关系的研究基础上,结合热力学相图分析,本文认为金川Ⅱ号岩体造岩矿物的结晶顺序为:尖晶石、橄榄石、斜方辉石、单斜辉石和斜长石.同时,橄榄石结晶后与母岩浆发生反应,使橄榄石颗粒变为浑圆状.此外,矿体硫化物橄榄岩、硫化物含辉橄榄岩中堆积矿物橄榄石粒度明显小于硫化物二辉橄榄岩中橄榄石粒度,暗示在"晶粥"侵入浅部岩浆房之前,深部岩浆房底部已聚集了大量的硫化物矿浆.
Keyword金川铜镍硫化物矿床
Subject Area中国典型特殊区带大规模成矿作用及其动力学
Funding Organization国家自然科学基金(40573014,40373030)和中国科学院
Indexed ByCSCD
Language中文
CSCD IDCSCD:3144880
Citation statistics
Cited Times:10[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/352002/495
Collection矿床地球化学国家重点实验室_矿床地球化学国家重点实验室_期刊论文
矿床地球化学国家重点实验室
Recommended Citation
GB/T 7714
李士彬,宋谢炎,胡瑞忠,等. 甘肃金川Ⅱ号岩体岩相学特征及分离结晶过程探讨[J]. 岩石学报,2007,23(10):2553-2560.
APA 李士彬,宋谢炎,胡瑞忠,陈列锰,&聂晓勇.(2007).甘肃金川Ⅱ号岩体岩相学特征及分离结晶过程探讨.岩石学报,23(10),2553-2560.
MLA 李士彬,et al."甘肃金川Ⅱ号岩体岩相学特征及分离结晶过程探讨".岩石学报 23.10(2007):2553-2560.
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