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中国科学院地球化学研究所机构知识库
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矿床地球化学国家重... [47]
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可可托海3号伟晶岩脉石英中微量元素组成特征与岩浆-热液演化
期刊论文
矿物学报, 2018, 期号: 1, 页码: 15-24
Authors:
唐宏; 张辉
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Submit date:2019/07/01
微量元素特征
Ti温度计
岩浆-热液演化
石英矿物
3号伟晶岩脉
Magmatic-hydrothermal evolution of the Yuanzhuding porphyry Cu-Mo deposit, South China: Insights from mica and quartz geochemistry
期刊论文
Ore Geology Reviews, 2018, 卷号: 101, 页码: 765-784
Authors:
Wei Mao
;
Hong Zhong
;
Wei-Guang Zhu
;
Xiu-Guang Lin
;
Xiao-Yu Zhao
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Submit date:2019/06/11
Porphyry Deposit
Biotite Composition
Quartz Trace Element
Fluid Inclusion
Metal Precipitation
South China
K-feldspar composition as an exploration tool for pegmatite-type rare metal deposits in Altay, NW China
期刊论文
Journal of Geochemical Exploration, 2018, 卷号: 185, 页码: 130-138
Authors:
Yong Tang
;
Hong Wang
;
Hui Zhang
;
Zheng-Hang Lv
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Submit date:2019/04/10
K-feldspar
Trace Elements
P2o5
Pegmatite
Altay
贵州省稻田土壤重金属分布特征
期刊论文
矿物岩石地球化学通报, 2018, 期号: 6, 页码: 1084-1091
Authors:
孔祥宇
;
黄国培
;
程天金
;
江帆
;
王志伟
;
李秋华
;
喻子恒
;
张华
;
姚珩
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Submit date:2019/06/17
为揭示贵州省稻田土壤重金属的超标状况和空间分布特征,采集了92个稻田土壤样品,用icp-ms测定了样品的重金属含量,并运用单因子污染指数法、富集因子法和空间分析法对数据进行了分析处理。结果表明,贵州省稻田土壤的as、cd、cr、cu、ni、pb、sb和zn平均含量分别为(19.7±17.1)、(0.577±0.690)、(91.1±38.6)、(40.5±32.8)、(37.1±20.3)、(35.5±32.0)、(3.59±8.81)和(135±128) Mg/kg
89.1%的点位重金属超标,67.4%的点位为轻微(超标1~2倍)和轻度(超标2~3倍)超标
Ni、as、cd主要由地质高背景成因导致
在成矿区和成矿带上,出现源于人为活动的重金属超标,在一些点位和区域达到了中度超标(超标3~5倍)至重度(超标大于5倍)超标。
Petrogenesis and tectonic setting of the Middle Permian A-type granites in Altay, northwestern China: Evidences from geochronological, geochemical, and Hf isotopic studies
期刊论文
Geological Journal, 2018, 卷号: 53, 期号: 2, 页码: 527-546
Authors:
Yunlong Liu
;
Hui Zhang
;
Yong Tang
;
Xin Zhang
;
Zhenghang Lv
;
Jingyu Zhao
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Submit date:2019/04/19
Timing the termination of the Doushantuo negative carbon isotope excursion: evidence from U-Pb ages from the Dengying and Liuchapo formations, South China
期刊论文
Science Bulletin, 2018, 卷号: 63, 期号: 21, 页码: 1431-1438
Authors:
Mingzhong Zhou
;
Taiyi Luo
;
Warren D. Huff
;
Zhiqing Yang
;
Guanghong Zhou
;
Tian Gan
;
Hua Yang
;
Di Zhang
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Submit date:2019/06/12
Doushantuo
Formation
Dengying
Formation
Shuram Carbon Isotope Excursion
South China
Geochemistry of I- and A-type granites of the Qingyang-Jiuhuashan complex, eastern China: Insights into early cretaceous multistage magmatism
期刊论文
Lithos, 2018, 卷号: 316, 页码: 278-294
Authors:
Xiao-Yan Jiang
;
Jin-Cheng Luo
;
Jia Guo
;
Kai Wu
;
Zhe-Kun Zhang
;
Wei-Dong Sun
;
Xiao-Ping Xia
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Submit date:2019/06/03
I-type Granite
a-type Granite
zircon U–pb Geochronology
zircon o Isotope
qingyang–jiuhuashan
江南造山带西段铅锌矿床成矿机制研究
学位论文
, 中国科学院地球化学研究所: 中国科学院大学, 2018
Authors:
周正兵
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Submit date:2019/07/15
江南造山带西段
铅锌矿床成矿机制
板溪群
陡山沱组
清虚洞组
海南文昌玄武岩风化剖面地球化学、锗同位素和锗硅比值变化机理研究
学位论文
, 中国科学院地球化学研究所: 中国科学院大学, 2018
Authors:
蒋科
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Submit date:2019/07/15
玄武岩
化学风化
次生磷酸盐
Ge/si比值
Ge同位素
基于动力学演化模型的月球地质年代划分方案
学位论文
, 中国科学院地球化学研究所: 中国科学院大学, 2018
Authors:
郭弟均
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Submit date:2019/07/15
月球
南极艾肯盆地
地质年代表
艾肯纪
岩浆洋纪