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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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New insights into the metallogeny of MVT Zn-Pb deposits: A case study from the Nayongzhi in South China, using field data, fluid compositions, and in situ S-Pb isotopes
期刊论文
American Mineralogist, 2018, 卷号: 103, 期号: 1, 页码: 91-108
Authors:
Jia-Xi Zhou
;
Xuan-Ce Wang
;
Simon A. Wilde
;
Kai Luo
;
Zhi-Long Huang
;
Tao Wu
;
Zhong-Guo Jin
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Submit date:2019/04/19
In Situ S-pb Isotopes
Fluid Mixing
Buffer Of Carbonate
Mvt Deposits
South China
都龙锡锌多金属矿床成矿温度场研究
期刊论文
矿物学报, 2018, 期号: 3, 页码: 280-289
Authors:
刘仕玉
;
刘玉平
;
叶霖
;
苏根利
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Submit date:2019/06/17
燕山晚期花岗岩
温度场
Comsol Multiphysics
数值模拟
绿泥石温度计
都龙锡锌多金属矿床
西藏甲玛斑岩-矽卡岩型铜多金属矿床原位Pb同位素组成研究
期刊论文
矿物学报, 2018, 期号: 2, 页码: 205-213
Authors:
郑石基
;
钟宏
;
张忠坤
;
王广南
;
柏中杰
;
胡文俊
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Submit date:2019/06/19
甲玛矿床
飞秒激光剥蚀
Pb同位素组成
成矿物质
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
广西大厂矿田高峰锡多金属矿床流体包裹体研究
期刊论文
岩石学报, 2018, 期号: 12, 页码: 3553-3566
Authors:
赵海
;
苏文超
;
沈能平
;
谢鹏
;
蔡佳丽
;
甘文志
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Submit date:2019/06/13
成矿流体
流体包裹体
高峰锡多金属矿床
广西大厂矿田
Sorption of Differently Charged Gold Nanoparticles on Synthetic Pyrite
期刊论文
Minerals, 2018, 卷号: 8, 期号: 10, 页码: 1-13
Authors:
Suxing Luo
;
Xin Nie
;
Meizhi Yang
;
Yuhong Fu
;
Ping Zeng
;
Quan Wan
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Submit date:2019/06/11
Gold Nanoparticles
Pyrite
Sorption
Charge
Electrostatic Interaction
Theoretical calculation of equilibrium Mg isotope fractionations between minerals and aqueous solutions
期刊论文
Chemical Geology, 2018, 卷号: 488, 页码: 62-75
Authors:
Caihong Gao
;
Xiaobin Cao
;
Qi Liu
;
Yuhong Yang
;
Siting Zhang
;
Yuyang He
;
Mao Tang
;
Yun Liu
Adobe PDF(2618Kb)
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Submit date:2019/05/17
Mg Isotope Fractionation
solid And Solution
quantum Chemistry Method
vvcm
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
Adobe PDF(740Kb)
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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。