东北大学学报（自然科学版）

东北大学学报:自然科学版 ›› 2018, Vol. 39 ›› Issue (5): 689-693.DOI: 10.12068/j.issn.1005-3026.2018.05.017

• 资源与土木工程 • 上一篇    下一篇

小佟家堡子金矿床微量稀土元素特征

魏军1,2， 王恩德1， 门业凯3， 何强文1   

  1. (1. 东北大学 资源与土木工程学院， 辽宁 沈阳110819; 2. 辽宁省有色地质局， 辽宁 沈阳110819; 3. 东北大学秦皇岛分校 资源与材料学院， 河北 秦皇岛066004)
  • 收稿日期:2016-11-25 修回日期:2016-11-25 出版日期:2018-05-15 发布日期:2018-05-25
  • 通讯作者: 魏军
  • 作者简介:魏军(1982-)，女，辽宁抚顺人，东北大学博士研究生，辽宁省有色地质局高级工程师； 王恩德(1957-)， 男，辽宁盖州人，东北大学教授，博士生导师.
  • 基金资助:
    国家自然科学基金资助项目(41372098).

Characteristics of Trace Rare Earth Elements of Xiaotongjiapuzi Gold Deposit

WEI Jun1, 2， WANG En-de1， MEN Ye-kai3， HE Qiang-wen1   

  1. 1. School of Resources & Civil Engineering， Northeastern University， Shenyang 110819， China; 2. The Bureau of Non-ferrous Geology of Liaoning Province， Shenyang 110819， China; 3. School of Resource & Materials， Northeastern University at Qinhuangdao， Qinhuangdao 066004， China.
  • Received:2016-11-25 Revised:2016-11-25 Online:2018-05-15 Published:2018-05-25
  • Contact: WEI Jun
  • About author:-
  • Supported by:
    -

RichHTML

0

PDF (PC)

849

摘要： 为进一步探讨小佟家堡子金矿床成矿物质来源及印支-燕山期岩浆活动对其成矿作用的影响，对该矿床岩矿石进行微量稀土元素的测试和特征分析.微量稀土元素特征显示，与矿体相比，盖县组片岩、大石桥组大理岩显示出相似的微量元素变化趋势以及稀土配分模式，印支期花岗岩仅在P，Zr，Hf等微量元素上出现较大反差，吕梁期-燕山期岩浆岩体在稀土配分模式上只有Er明显亏损，反映金成矿与地层和岩浆岩关系密切;稀土元素特征显示成矿热液为富Cl-的还原性流体，成矿物质来源和成矿流体来源具有复杂性，吕梁期和燕山期花岗岩与盖县组片岩和大石桥组大理岩均为该矿体的形成提供了成矿物质，且深部成矿物质也参与成矿，矿床类型为岩浆热液叠加型金矿床.

关键词: 青城子矿集区, 小佟家堡子金矿床, 微量稀土元素, 岩浆热液叠加

Abstract: The trace rare earth elements of rocks and ores in Xiaotongjiapuzi gold deposit was analyzed to discuss the mineral sources and the effect of Indosinian-Yanshan magmatic activities on mineralization.Gaixian Formation schists and Dashiqiao Formation marbles exhibit similar variation trends of trace elements and rare earth distribution patterns， and Indosinian granite showed little difference in trace elements such as P， Zr and Hf， et al.Lyuliang-Yanshan period magmatic rock mass lacked Er， reflecting that gold mineralization was closely related to the strata and magmatic rocks. Characteristics of rare earth elements suggested that the ore-forming hydrothermal was a reductive fluid rich in Cl-， and metallogenic material source and ore-forming fluid source was complex.Lyuliang period granite， Yanshan period granite， Gaixian Formation schists and Dashiqiao Formation marbles all provided ore-forming material for the formation of ore bodies， and deep metallogenic material participated in the mineralization.Xiaotongjiapuzi gold deposit is a magmatic hydrothermal superimposition type gold deposit.

Key words: Qingchengzi ore concentration area, Xiaotongjiapuzi gold deposit, trace rare earth elements, magmatic hydrothermal

中图分类号: