收稿日期: 2014-10-06
修回日期: 2014-11-08
网络出版日期: 2015-01-14
Discussion on the Ore-control Structural Features of the Yangshan Gold Deposit in the Western Qinling Belt
Received date: 2014-10-06
Revised date: 2014-11-08
Online published: 2015-01-14
阳山金矿床位于西秦岭勉略构造内,文县弧形构造东翼,主要受安昌河—观音坝断裂带和葛条湾—草坪梁复式背斜控制;矿体产出于断裂带内,复式背斜翼部次级剪切走滑断裂中。研究表明:阳山金矿控矿构造及其演化复杂,泥盆纪中晚期文县地区形成了一套碳硅泥质热水沉积,勉略一带在三叠纪经历了洋陆俯冲到陆陆碰撞机制的转变;晚三叠世区内中酸性岩脉沿早期挤压片理侵入;早侏罗世早期,进入后碰撞造山期,断裂发生斜冲左行走滑剪切活动;燕山中晚期,进入局部伸展阶段,继承早期逆冲推覆构造,同时形成派生的断裂、节理及褶皱等。目前,所认识到的葛条湾—草坪梁复式背斜可能只是区域性复式褶皱北翼的次级褶皱。
张帆 , 王根厚 , 王阳 , 周洁 , 吴春娇 . 西秦岭阳山金矿床控矿构造特征探讨[J]. 黄金科学技术, 2014 , 22(6) : 39 -45 . DOI: 10.11872/j.issn.1005-2518.2014.06.039
The Yangshan gold ore locates in the west Qinling Mianlue slightly tectonic belt.Research area in the east wing of arc structure in Wenxian,was primarily controlled by Anchanghe-Guanyinba and duplex anticline.In addition,the ore body occurs in the fault zone as well as double anticline wing secondary shear strike-slip fault.On the basis of summarizing predecessors’research,combined with the detailed field geological observation,we found that the Yangshan gold deposit ore-controlling structure and its evolution were increasingly complex.Overall,the results indicated that it was formed a set of carbon silicon argillaceous hot water sedimentary in Wenxian during middle-late Devonian period.Mianlue area has experienced mechanism transformation from ocean-land subduction to continental collision in Triassic.Meanwhile,the double arc tectonic system in Wenxian county and nearly EW axial complex fold are formed,and intermediate-acid dike along the early extruded schistosity began to invade in the late Triassic.Early Jurassic entering into the collision orogenic period,breakage occurred the activity of oblique shock left-lateral slip shearing,and contacted with the same period of surrounding rock crushing,alteration.Moreover,mineralization was mainly dominated both by duplex anticline and left-lateral slip joint shear fracture zone.Early Yanshan period,it stretched into the local stage with the inheritance of thrust nappe structure,at the same time formed derived fracture,joint and fold,etc.At present,recognized by the Getiaowan-Caopingliang anticlinorium may only be a fold of the duplex folds north wing.
[1] 阎凤增,齐金忠,郭俊华.甘肃省阳山金矿地质与勘查[M].北京:地质出版社,2010.
[2] 袁士松,张继武,齐金忠,等.甘肃阳山金矿构造控矿模式[J].黄金地质,2004,10(4):23-27.
[3] 齐金忠,杨贵才,李志宏,等.阳山金矿带构造—岩浆演化序列及构造控矿规律研究[R].廊坊:武警黄金地质研究所,2006.
[4] 齐金忠,袁士松,李莉,等.甘肃省文县阳山特大型金矿床地质特征及控矿因素分析[J].地质论评,2003,49(1):85-92.
[5] 齐金忠,刘志杰,袁士松,等.甘肃省文县阳山金矿带控矿构造研究与成矿预测[R].廊坊:武警黄金地质研究所,2003:1-135.
[6] 李建忠,喻光明,廖海龙,等.甘肃省文县阳山金矿带控矿构造特征及找矿方向[J].矿床地质,2008,27(增):96-104.
[7] 郭俊华,毛世东,陈衍景,等.甘肃文县阳山金矿田地质特征及控矿地质因素分析[J].大地构造与成矿学,2009,33(2):243-252.
[8] 李晶,陈衍景,李强之,等.甘肃阳山金矿流体包裹体地球化学和矿床成因类型[J].岩石学报,2007,23(9):2144-2154.
[9] 李晶,陈衍景,李强之,等.甘肃阳山金矿碳氢氧同位素与成矿流体来源[J].岩石学报,2008,24(4):817-826.
[10] 赵百胜,刘伟.甘肃省阳山金矿床流体包裹体特征及其地质意义[J].地质找矿论丛,2004,19(2):105-109.
[11] 刘伟,范永香,齐金忠,等.甘肃文县阳山金矿床流体包裹体的地球化学特征[J].现代地质,2003,17(4):444-452.
[12] 刘伟,范永香,余金元,等.陇南阳山金矿床流体包裹体初步研究[J].矿产与地质,2003,17(5):616-621.
[13] 刘伟,马瑛,范永香.甘肃文县阳山金矿床成矿流体特征[J].资源环境与工程,2007,21(2):87-94.
[14] 罗锡明,齐金忠,袁士松,等.甘肃阳山金矿床微量元素及稳定同位素的地球化学研究[J].现代地质,2004,18(2):203-209.
[15] 齐金忠,杨贵才,罗锡明.甘肃阳山金矿带构造岩浆演化与金矿成矿[J].现代地质,2006,20(4):564-572.
[16] 齐金忠,袁士松,李莉,等.甘肃省文县阳山金矿床地质地球化学研究[J].矿床地质,2003,22(l):24-31.
[17] 文成敏.甘肃省阳山金矿带金矿成矿特征及矿床成因研究[J].四川地质学报,2006,26(4):223-227.
[18] 张莉,杨荣生,毛世东.阳山金矿床锶铅同位素组成特征与成矿物质来源[J].岩石学报,2009,25(11):2811-2822.
[19] 罗锡明,齐金忠,袁士松,等.甘肃阳山金矿床微量元素及稳定同位素的地球化学研究[J].现代地质,2004,18(2):203-209.
[20] 郭俊华,齐金忠,孙彬,等.甘肃阳山特大型金矿床地质特征及成因[J].黄金地质,2002,8(2):15-19.
[21] 程斌,张复新,贺国芬.甘肃文县地区阳山超大微细浸染型金矿床的成因与类型[J].地质通报,2006,25(11):1345-1360.
[22] 李志宏,杨印,彭省临,等.甘肃阳山超大型热液金矿床的成矿特征[J].大地构造与成矿学,2007,31(1):63-76.
[23] 袁士松,李文良,张勇,等.甘肃省文县阳山超大型金矿床成矿作用及成矿模式[J].地质与资源,2008,17(2):92-101.
[24] 袁士松,齐金忠,葛良胜.甘肃文县阳山特大型金矿田微量元素特征及其找矿意义[J].西北地质,2006,39(3):20-27.
[25] 袁士松.甘肃省文县阳山特大型金矿床成矿作用研究[J].矿产与地质,2007,21(4):404-409.
[26] Yan Fengzeng,Li Qiangzhi.Yangshan Gold Deposit:The largest carlin and carlin-like type gold deposit in China[J].Acta Geologica Sinica,2008,82(4):804-810.
[27] 王学明,邵世才,汪东波.甘肃文康地区金矿地质特征与找矿标志[J].有色金属矿产与勘查,1999,8(4):220-226.
[28] 齐金忠,李莉,袁士松,等.甘肃省阳山金矿床石英脉中锆石SHRIMPU-Pb年代学研究[J].矿床地质,2005,24(2):141-150.
[29] 孙树浩.川北—甘南地区类卡林型金矿床的地质—地球化学特征[J].地质找矿论丛,2005,20(1):8-14.
[30] 杨荣生,陈衍景,张复新,等.甘肃阳山金矿独居石Th-U-Pb化学年龄及其地质和成矿意义[J].岩石学报,2006,22(9):2603-2610.
[31] Qi Jinzhong,Yuan Shisong,Liu Zhijie.U-Pb SHRIMP dating on zircon from quartz vein of Yangshan gold deposit and its geological significance[J].Acta Geologica Sinica,2004,78(2):443-451.
[32] 秦艳,周振菊.甘肃省阳山超大型金矿床的有机地球化学特征研究[J].岩石学报,2009,25(11):1-10.
[33] 刘红杰,陈衍景,毛世东,等.西秦岭阳山金矿带花岗斑岩元素及Sr-Nd-Pb同位素地球化学[J].岩石学报,2008, 24(5):1101-1111.
[34] 吴春俊,王经荣,郭俊华,等.甘肃文县阳山金矿带花岗岩岩石地球化学特征及其成矿意义[J].矿产与地质,2009,23(4):345-351.
[35] 张国伟,郭安林,姚安平.中国大陆构造中的西秦岭—松潘大陆构造结[J].地学前缘,2004,11(3):23-32.
[36] Dong Y,Zhang G,Neubauer F,et al.Tectonic evolution of the Qinling orogen,China:Review and synthesis[J].Journal of Asian Earth Sciences,2011,41(3):213-237.
[37] 杜子图,吴淦国.西秦岭地区构造体系及金成矿构造动力学[M].北京:地质出版社,1998.
[38] 阎凤增,齐金忠,郭俊华.甘肃省阳山金矿地质与勘查[M].北京:地质出版社,2010.
[39] 李楠.阳山金矿带成矿作用地球化学[D].北京:中国地质大学,2013.
[40] 雷时斌.甘肃阳山金矿带构造—岩浆—成矿作用及勘查找矿方向[D].北京:中国地质大学,2011.
[41] 王恒涛.西秦岭阳山金矿带成矿流体演化[D].北京:中国地质大学,2012.
/
〈 |
|
〉 |