额尔齐斯金矿带岩金矿床成矿特征浅析
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摘要
额尔齐斯金矿带是我国阿尔泰地区一条重要的金矿带,成矿地质条件优越,通过对多拉纳萨依、赛都、阿克塔斯和科克萨依4处典型金矿床的对比研究,总结了带内金矿床的基本特征并探讨了其成矿环境,认为在晚古生代造山带后碰撞伸展构造环境下,壳幔混源成因的花岗岩类岩脉为金成矿的主要物质来源,韧性—脆韧性构造变形是成矿的必要条件,韧性剪切—岩浆耦合成矿作用是金矿床成矿的关键,控制着金矿体的形成与产出。
The Irtysh gold metallogenic belt,a key gold mineralization belt in the Altay area,northwestern Xinjiang,is characterized with favorable metallogenic geological conditions. By the comparison study of four gold deposits in the belt,i. e.,Doranasai gold deposit,Saidu gold deposit,Aktas gold deposit and kekesayi gold deposit,this paper summarizes the essential characteristics of this type of gold deposits and discusses ore-forming environment. It is proposed that the intermediate and acid granitoid intrusions and dykes with mixed origins of the crust and mantle in the background of post-collision tectonic extension during the Neopaleozoic period,provided the main sources of ore-forming gold and the ductile brittle-ductile structural deformation are essential conditions for forming gold mineralization. The coupled mineralization process by tectonism and magmatism is the key to form the gold deposit,which control the formation of the gold orebodies and spatial distribution.
The Irtysh gold metallogenic belt,a key gold mineralization belt in the Altay area,northwestern Xinjiang,is characterized with favorable metallogenic geological conditions. By the comparison study of four gold deposits in the belt,i. e.,Doranasai gold deposit,Saidu gold deposit,Aktas gold deposit and kekesayi gold deposit,this paper summarizes the essential characteristics of this type of gold deposits and discusses ore-forming environment. It is proposed that the intermediate and acid granitoid intrusions and dykes with mixed origins of the crust and mantle in the background of post-collision tectonic extension during the Neopaleozoic period,provided the main sources of ore-forming gold and the ductile brittle-ductile structural deformation are essential conditions for forming gold mineralization. The coupled mineralization process by tectonism and magmatism is the key to form the gold deposit,which control the formation of the gold orebodies and spatial distribution.
引文
[1]沈远超,申萍,李光明,等.新疆额尔齐斯金矿带构造控矿规律研究[J].矿床地质,2007,26(1):33-42.
[2]闫升好,王义天,张招崇,等.新疆额尔齐斯金矿带的成矿类型、地球动力学背景及资源潜力[J].矿床地质,2006,25(6):693-704.
[3]芮行健,朱韵华,刘抗捐.新疆阿尔泰原生金矿基本特征及区域成矿模式[J].地质论评,1993,39(2):138-148.
[4]刘悟辉,廖启林,戴塔根,等.阿尔泰南缘与韧性剪切带有关金矿床成矿特征浅析[J].地质找矿论丛,1999,14(3):42-48.
[5]郭定良.额尔齐斯深(大)断裂对金成矿的贡献[J].地质地球化学,1996,(1):52-55.
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[7]韩宝福,何国琦,王式洸.后碰撞幔源岩浆活动、底垫作用及准噶尔盆地基地的性质[J].中国科学(D辑),1999,29(1):16-21.
[8]王睿,游军.索尔库都克—哈腊苏铜钼金多金属矿集区成矿规律.云南地质,2011,30(3):381-386.
[9]李光明,沈远超,刘铁兵,等.新疆阿尔泰南缘托库孜巴依金矿成矿演化:石英脉系、同位素地球化学及其Ar-Ar年代学证据[J].矿床地质,2007,26(1):15-18.
[10]邵会文,杨卫民,陈越,等.新疆北部阿尔泰地区金矿类型、特征及地球动力学环境[J].地质与资源,2009,18(2):100-107.
[11]周维康.阿克塔斯金矿地质特征及找矿远景[J].火山地质与矿产,1991,12(4):87-98.
[12]陈克强,党延霞,董永观,等.新疆阿勒泰赛都金矿含金石英脉锆石U-Pb年龄及其地质意义[J].矿产勘查,2010,1(3):228-233.
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[14]肖惠良.阿尔泰剪切带中与钠长石花岗岩脉有关的金矿床地质地球化学研究[D].南京:南京大学,2003.
[15]王伟涛,张复新,张健.新疆多拉纳萨依金矿区构造特征与成矿关系[J].西北地质,2006,39(3):7-11.
[16]程忠富,芮行健.赛都金矿成矿地球化学环境[J].火山地质与矿产,1993,18(1):27-36.
[17]王军升,邓吉牛,廖启林.新疆科克萨依金矿控矿构造特征及找矿评价标志[J].有色金属矿产与地质,1998,7(5):283-288.
[18]王军升,邓吉牛.科克萨依金矿地质特征及矿床成因分析[J].有色金属矿产与勘查,1999,8(6):530-535.
[19]郭新成.新疆托库孜巴依金矿床地质特征及成因[J].西北地质,1998,19(1):20-26.
[20]李志纯.阿尔泰山南缘两类构造成矿类型金矿床及其成矿模式[J].大地构造与成矿学,1999,23(1):16-28.
[21]汪玉珍,刘玉林.新疆多拉纳萨依金矿床成因探讨[J].新疆地质,1992,10(2):101-109.
[22]张栋,路彦明,郭小东,等.东准噶尔地区与韧—脆性剪切带有关的金(铜)成矿—构造变形转换与成矿时限及地球动力学背景[J].黄金,2011,32(3):8-15.
[23]郑勇,吕新彪,成勇.新疆托库孜巴依金矿床地质特征及成因[J].地质科技情报,2010,29(2):123-129.
[24]廖启林,刘悟辉,戴塔根,等.准噶尔北部主要金矿类型及其成矿环境初探[J].贵金属地质,1999,8(3):163-170.
1丁汝福,董永观,张传林,等.阿尔泰成矿带整体研究与勘查技术集成.北京矿产地质研究院,2010.
1丁汝福,卫晓锋,阴元军,等.新疆富蕴县克乃特铜多金属矿调查评价成果报告.北京矿产地质研究院,2013.
[2]闫升好,王义天,张招崇,等.新疆额尔齐斯金矿带的成矿类型、地球动力学背景及资源潜力[J].矿床地质,2006,25(6):693-704.
[3]芮行健,朱韵华,刘抗捐.新疆阿尔泰原生金矿基本特征及区域成矿模式[J].地质论评,1993,39(2):138-148.
[4]刘悟辉,廖启林,戴塔根,等.阿尔泰南缘与韧性剪切带有关金矿床成矿特征浅析[J].地质找矿论丛,1999,14(3):42-48.
[5]郭定良.额尔齐斯深(大)断裂对金成矿的贡献[J].地质地球化学,1996,(1):52-55.
[6]肖惠良,董永观,周济元,等.新疆多拉纳萨依金矿床地质特征及其韧性剪切—岩浆耦合成矿作用[J].矿床地质,2002,21(增刊):715-718.
[7]韩宝福,何国琦,王式洸.后碰撞幔源岩浆活动、底垫作用及准噶尔盆地基地的性质[J].中国科学(D辑),1999,29(1):16-21.
[8]王睿,游军.索尔库都克—哈腊苏铜钼金多金属矿集区成矿规律.云南地质,2011,30(3):381-386.
[9]李光明,沈远超,刘铁兵,等.新疆阿尔泰南缘托库孜巴依金矿成矿演化:石英脉系、同位素地球化学及其Ar-Ar年代学证据[J].矿床地质,2007,26(1):15-18.
[10]邵会文,杨卫民,陈越,等.新疆北部阿尔泰地区金矿类型、特征及地球动力学环境[J].地质与资源,2009,18(2):100-107.
[11]周维康.阿克塔斯金矿地质特征及找矿远景[J].火山地质与矿产,1991,12(4):87-98.
[12]陈克强,党延霞,董永观,等.新疆阿勒泰赛都金矿含金石英脉锆石U-Pb年龄及其地质意义[J].矿产勘查,2010,1(3):228-233.
[13]刘猛.新疆富蕴县阿克塔斯铜金矿区成矿条件与找矿远景研究[D].北京:中国地质大学(北京),2012.
[14]肖惠良.阿尔泰剪切带中与钠长石花岗岩脉有关的金矿床地质地球化学研究[D].南京:南京大学,2003.
[15]王伟涛,张复新,张健.新疆多拉纳萨依金矿区构造特征与成矿关系[J].西北地质,2006,39(3):7-11.
[16]程忠富,芮行健.赛都金矿成矿地球化学环境[J].火山地质与矿产,1993,18(1):27-36.
[17]王军升,邓吉牛,廖启林.新疆科克萨依金矿控矿构造特征及找矿评价标志[J].有色金属矿产与地质,1998,7(5):283-288.
[18]王军升,邓吉牛.科克萨依金矿地质特征及矿床成因分析[J].有色金属矿产与勘查,1999,8(6):530-535.
[19]郭新成.新疆托库孜巴依金矿床地质特征及成因[J].西北地质,1998,19(1):20-26.
[20]李志纯.阿尔泰山南缘两类构造成矿类型金矿床及其成矿模式[J].大地构造与成矿学,1999,23(1):16-28.
[21]汪玉珍,刘玉林.新疆多拉纳萨依金矿床成因探讨[J].新疆地质,1992,10(2):101-109.
[22]张栋,路彦明,郭小东,等.东准噶尔地区与韧—脆性剪切带有关的金(铜)成矿—构造变形转换与成矿时限及地球动力学背景[J].黄金,2011,32(3):8-15.
[23]郑勇,吕新彪,成勇.新疆托库孜巴依金矿床地质特征及成因[J].地质科技情报,2010,29(2):123-129.
[24]廖启林,刘悟辉,戴塔根,等.准噶尔北部主要金矿类型及其成矿环境初探[J].贵金属地质,1999,8(3):163-170.
1丁汝福,董永观,张传林,等.阿尔泰成矿带整体研究与勘查技术集成.北京矿产地质研究院,2010.
1丁汝福,卫晓锋,阴元军,等.新疆富蕴县克乃特铜多金属矿调查评价成果报告.北京矿产地质研究院,2013.