A study on iron-bearing mineral combinations in intersection-point uranium deposit at Xiazhuang area

YANG Yaxin1 WU Yamei1 WU Xinmin1 LIN Jun2 LI Shuzhen2 1

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A study on iron-bearing mineral combinations in intersection-point uranium deposit at Xiazhuang area

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- A study on iron-bearing mineral combinations in intersection-point uranium deposit at Xiazhuang area
- NUCLEAR TECHNIQUES Issue 4, (2008)
- 作者机构：
  
  1. 东华理工大学,“核资源与环境”省部共建教育部重点实验室
  2. 南京大学物理系
- 作者简介：
- 基金信息：
  
  国家基金项目(40774075);中国地质大学“地下信息探测技术与仪器”教育部重点实验室开放课题(GDL0606);东华理工大学“核资源与环境”省部共建教育部重点实验室开放课题(060617)共同资助
- DOI：
  CLC： P619.14
- Published：01 April 2008
- 稿件说明：
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[1]杨亚新,吴雅梅,吴信民,林俊,厉淑贞.广东省下庄“交点型”铀矿床含铁矿物组合的研究[J].核技术,2008(04):275-279.

YANG Yaxin1 WU Yamei1 WU Xinmin1 LIN Jun2 LI Shuzhen2 1. A study on iron-bearing mineral combinations in intersection-point uranium deposit at Xiazhuang area[J]. Nuclear techniques, 2008, (4): 275-279.
[1]杨亚新,吴雅梅,吴信民,林俊,厉淑贞.广东省下庄“交点型”铀矿床含铁矿物组合的研究[J].核技术,2008(04):275-279. DOI：

YANG Yaxin1 WU Yamei1 WU Xinmin1 LIN Jun2 LI Shuzhen2 1. A study on iron-bearing mineral combinations in intersection-point uranium deposit at Xiazhuang area[J]. Nuclear techniques, 2008, (4): 275-279. DOI：

摘要

本文用穆斯堡尔谱、X射线衍射和红外光谱等方法对广东省下庄铀矿田338"交点型"铀矿床及其蚀变带和围岩中的微量含铁矿物进行了综合研究。研究结果表明

矿脉中的含铁矿物主要是黄铁矿

而蚀变带中以绿泥石为主

纤铁矿少量

黄铁矿含量相对减小

在外围的弱蚀变辉绿岩脉中则保留了更多的原生矿物。黄铁矿的含量随着与矿脉距离的增加而减少

而蚀变产物绿泥石的含量则在蚀变带中含量最高。用这三种方法可区分沥青铀矿矿脉区、蚀变带和弱蚀变辉绿岩脉

并且可以确定蚀变带的范围。

Abstract

Mǒssbauer spectroscopy

X-ray diffraction(XRD)and Fourier transform infrared spectroscopy(FT-IR)were used to study trace iron-bearing mineral combination in uranium field

alteration rock and surrounding rock at 338 uranium deposit of Xiazhuang granite-type uranium ore field

Guangdong

China.The results show that the main iron-bearing mineral in ore-vein is pyrite.The alternation belt contains mainly chlorite and a little lepidocrocite

with less content of pyrite than in ore-vein.There are more original minerals in surrounding rock(diabase of weak alterna-tion)than other belts.The pyrite content decreases with increasing distance of the sampling point to the ore belt.And the chlorite content is the highest in alternation belt.The ore-vein of uraninite

alternation belt and diabase vein of weak alternation can be distinguished

and the range of alternation belt is confirmed with Mǒssbauer spectroscopy

XRD and FT-IR.

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