胶东纱岭金矿床构造叠加晕特征及深部找矿预测
|
摘要
纱岭金矿床位于焦家断裂中南段,属于典型的焦家式金矿床,探获金资源量约389.2t,目前是国内平均勘查深度最大的金矿床。为进一步探讨纱岭金矿床深部成矿潜力,该文在野外地质工作的基础上,选取钻孔岩心样品,采用构造叠加晕研究方法,重点研究Ⅰ-2号主矿体地球化学特征、原生晕分带特征,建立构造叠加晕模型并进行深部找矿预测。研究结果表明:矿床的前缘晕指示元素为As-Sb-Hg,近矿晕指示元素为Au-Ag-Cu-Pb-Zn,尾晕指示元素为Bi-Mo-W-Sn;Ⅰ-2号主矿体构造叠加晕出现"反分带"现象,表明纱岭金矿床具有多期成矿成晕特征;在矿体尾部存在前缘晕与尾晕共存叠加现象,指示深部有良好的找矿前景,预测矿体侧伏方向深部(-1600m之下)有盲矿存在,预测靶位标高为-1600m～-2000m。
Shaling gold deposit belongs is located in the middle and south section of Jiaojia fault. It is a typical Jiaojia type gold deposit. The discovered gold resource is 389.2t. It is a gold deposit with largest average exploration depth in China now. In order to further explore the deep metallogenic potential of Saling gold deposit, on the basis of geological work outside the field, selecting the core samples of drilling rock, by using the method of structural superimposed halo, geochemical characteristics and primary halo zoning characteristics of the main orebody Ⅰ-2 have been studied. A structural superimposed halo model has been established and deep prospecting has been predicted. It is showed that As-Sb-Hg are good indicator elements for the front halo, Au-Ag-Cu-Pb-Zn are good indicator elements for the near halo, and Bi-Mo-W-Sn are good indicator elements for the tail halo. The "anti-zoning" phenomenon, occurring in the structural superimposed halo of the main ore body Ⅰ-2 indicates that the Yaoling gold deposit has multi-stage halo-forming characteristics. In the tail of the ore body, there exists the phenomenon of coexistence and superposition of the leading edge halo and the tail halo. It is indicated that there is a good prospect in the deep part. The blind ore exists in the deep part(below -1600m) of the side direction of the ore body, and the predicted target elevation is -1600 m～-2000 m.
Shaling gold deposit belongs is located in the middle and south section of Jiaojia fault. It is a typical Jiaojia type gold deposit. The discovered gold resource is 389.2t. It is a gold deposit with largest average exploration depth in China now. In order to further explore the deep metallogenic potential of Saling gold deposit, on the basis of geological work outside the field, selecting the core samples of drilling rock, by using the method of structural superimposed halo, geochemical characteristics and primary halo zoning characteristics of the main orebody Ⅰ-2 have been studied. A structural superimposed halo model has been established and deep prospecting has been predicted. It is showed that As-Sb-Hg are good indicator elements for the front halo, Au-Ag-Cu-Pb-Zn are good indicator elements for the near halo, and Bi-Mo-W-Sn are good indicator elements for the tail halo. The "anti-zoning" phenomenon, occurring in the structural superimposed halo of the main ore body Ⅰ-2 indicates that the Yaoling gold deposit has multi-stage halo-forming characteristics. In the tail of the ore body, there exists the phenomenon of coexistence and superposition of the leading edge halo and the tail halo. It is indicated that there is a good prospect in the deep part. The blind ore exists in the deep part(below -1600m) of the side direction of the ore body, and the predicted target elevation is -1600 m～-2000 m.
引文
[1] 张文钊.山东龙口大磨曲家金矿深部盲矿预测的构造叠加晕模型[J].地质找矿论丛(增刊),2005,20(8):700-703.
[2] 马久菊,张永强,望开磊,等.甘肃天水宽沟金矿床构造叠加晕研究及盲矿预测[J].黄金科学技术,2012,20(1):27-31.
[3] 刘彩杰,鲍中义,王永庆,等.玲珑金矿田东风矿区深部构造叠加晕研究[J].山东国土资源,2016,32(3):17-21+25.
[4] 张涛,曹燕山,张德会,等.甘肃玛曲大水金矿构造叠加晕特征研究[J].矿物岩石地球化学通报,2017,36(2):279-288.
[5] 王怀洪,王勇军,孔凡顺,等.山东范家庄金矿床原生晕特征研究及深部找矿预测[J].矿产勘查,2019,10(1):78-87.
[6] 刘汝学.纱岭金矿涌水量分析与预测[D].泰安:山东农业大学,2016:1-20.
[7] 宋国政,杨真亮,李瑞翔,等.莱州市纱岭矿区金矿地质特征及其找矿前景[J].山东国土资源,2016,32(10):1-4.
[8] 宋国政,闫春明,曹佳,等.胶东焦家成矿带超千米深部金矿勘查突破及意义——以纱岭矿区为例[J].黄金科学技术,2017,25(3):19-27.
[9] 宋明春,崔书学,周明岭,等.山东省焦家矿区深部超大型金矿床及其对“焦家式”金矿的启示[J].地质学报,2010,84(9):1349-1358.
[10] 宋明春.胶东金矿深部找矿主要成果和关键理论技术进展[J].地质通报,2015,34(9):1758-1771.
[11] 宋明春,宋英昕,丁正江,等.胶东焦家和三山岛巨型金矿床的发现及有关问题讨论[J].大地构造与成矿学,2019,43(1):92-110.
[12] 高书剑,范家盟,李山,等.招平断裂带留仙庄空白区成矿远景预测[J].山东国土资源,2016,32(7):12-15.
[13] 许亚青,吕古贤,王昆.胶东夏甸金矿拆离断裂蚀变带及其流体成矿特征[J].矿物学报,2013,33(S2):977-978.
[14] 刘汉栋,祝德成,祝培刚,等.山东焦家金成矿带构造叠加晕研究及深部成矿预测[J].矿床地质,2014,33(S1):717-718.
[15] 李惠,张国义,禹斌,等.金矿区深部盲矿预测的构造叠加晕模型及找矿效果[M].北京:地质出版社,2006:16-48.
[16] 邵跃,沈时全.岩石地球化学方法寻找隐伏热液矿床几个技术问题的讨论[J].地质与勘探,1992(7):45-48.
[17] 代西武,杨建民,张成玉,等.利用矿床原生晕进行深部隐伏矿体预测——以山东埠上金矿为例[J].矿床地质,2000(3):245-256.
[18] 李惠,郑涛,杨磊,等.山东招远大尹格庄金矿床隐伏矿定位预测的叠加晕模式[J].有色金属矿产与勘查,1998,7(3):178-185.
[19] 李惠,禹斌,李德亮,等.构造叠加晕新方法在危机矿山深部找矿效果[A]//2008年度中国地质科技新进展和地质找矿新成果资料汇编[C].北京:中国地质学会,2009:103-104.
[20] 李惠,李德亮,禹斌,等.辽宁凤城白云金矿床深部盲矿预测的构造叠加晕模型及预测效果[J].地质找矿论丛,2010,25(2):153-156.
[21] 李惠,禹斌,李德亮,等.化探深部预测新方法综述[J].矿产勘查,2010,1(2):156-160.
[22] 李惠,禹斌,李德亮,等.构造叠加晕找盲矿法及研究方法[J].地质与勘探,2013,49(1):154-161.
①山东省第六地质矿产勘查院,山东省莱州市纱岭矿区深部金矿详查报告,2014年。
②山东省第六地质矿产勘查院,山东省莱州市纱岭矿区金矿勘探报告,2015年。
(1)山东省地质调查院,山东省莱州—招远整装勘查区深部远景调查报告,2016年。
[2] 马久菊,张永强,望开磊,等.甘肃天水宽沟金矿床构造叠加晕研究及盲矿预测[J].黄金科学技术,2012,20(1):27-31.
[3] 刘彩杰,鲍中义,王永庆,等.玲珑金矿田东风矿区深部构造叠加晕研究[J].山东国土资源,2016,32(3):17-21+25.
[4] 张涛,曹燕山,张德会,等.甘肃玛曲大水金矿构造叠加晕特征研究[J].矿物岩石地球化学通报,2017,36(2):279-288.
[5] 王怀洪,王勇军,孔凡顺,等.山东范家庄金矿床原生晕特征研究及深部找矿预测[J].矿产勘查,2019,10(1):78-87.
[6] 刘汝学.纱岭金矿涌水量分析与预测[D].泰安:山东农业大学,2016:1-20.
[7] 宋国政,杨真亮,李瑞翔,等.莱州市纱岭矿区金矿地质特征及其找矿前景[J].山东国土资源,2016,32(10):1-4.
[8] 宋国政,闫春明,曹佳,等.胶东焦家成矿带超千米深部金矿勘查突破及意义——以纱岭矿区为例[J].黄金科学技术,2017,25(3):19-27.
[9] 宋明春,崔书学,周明岭,等.山东省焦家矿区深部超大型金矿床及其对“焦家式”金矿的启示[J].地质学报,2010,84(9):1349-1358.
[10] 宋明春.胶东金矿深部找矿主要成果和关键理论技术进展[J].地质通报,2015,34(9):1758-1771.
[11] 宋明春,宋英昕,丁正江,等.胶东焦家和三山岛巨型金矿床的发现及有关问题讨论[J].大地构造与成矿学,2019,43(1):92-110.
[12] 高书剑,范家盟,李山,等.招平断裂带留仙庄空白区成矿远景预测[J].山东国土资源,2016,32(7):12-15.
[13] 许亚青,吕古贤,王昆.胶东夏甸金矿拆离断裂蚀变带及其流体成矿特征[J].矿物学报,2013,33(S2):977-978.
[14] 刘汉栋,祝德成,祝培刚,等.山东焦家金成矿带构造叠加晕研究及深部成矿预测[J].矿床地质,2014,33(S1):717-718.
[15] 李惠,张国义,禹斌,等.金矿区深部盲矿预测的构造叠加晕模型及找矿效果[M].北京:地质出版社,2006:16-48.
[16] 邵跃,沈时全.岩石地球化学方法寻找隐伏热液矿床几个技术问题的讨论[J].地质与勘探,1992(7):45-48.
[17] 代西武,杨建民,张成玉,等.利用矿床原生晕进行深部隐伏矿体预测——以山东埠上金矿为例[J].矿床地质,2000(3):245-256.
[18] 李惠,郑涛,杨磊,等.山东招远大尹格庄金矿床隐伏矿定位预测的叠加晕模式[J].有色金属矿产与勘查,1998,7(3):178-185.
[19] 李惠,禹斌,李德亮,等.构造叠加晕新方法在危机矿山深部找矿效果[A]//2008年度中国地质科技新进展和地质找矿新成果资料汇编[C].北京:中国地质学会,2009:103-104.
[20] 李惠,李德亮,禹斌,等.辽宁凤城白云金矿床深部盲矿预测的构造叠加晕模型及预测效果[J].地质找矿论丛,2010,25(2):153-156.
[21] 李惠,禹斌,李德亮,等.化探深部预测新方法综述[J].矿产勘查,2010,1(2):156-160.
[22] 李惠,禹斌,李德亮,等.构造叠加晕找盲矿法及研究方法[J].地质与勘探,2013,49(1):154-161.
①山东省第六地质矿产勘查院,山东省莱州市纱岭矿区深部金矿详查报告,2014年。
②山东省第六地质矿产勘查院,山东省莱州市纱岭矿区金矿勘探报告,2015年。
(1)山东省地质调查院,山东省莱州—招远整装勘查区深部远景调查报告,2016年。
© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号 地址：北京市海淀区学院路29号 邮编：100083 电话：办公室：(+86 10)66554848；文献借阅、咨询服务、科技查新：66554700 |