青海省东昆仑大格勒沟地区铜多金属矿地质特征及矿床成因
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摘要
为了研究青海省东昆仑大格勒沟地区铜多金属矿成因,对该矿区的控矿因素、矿床成因及找矿前景进行了综合分析。结果表明:青海省东昆仑大格勒沟地区铜多金属矿成矿条件优越,成矿类型主要分为构造蚀变岩型金、铜、铅多金属矿和岩浆熔离型镍(伴生钴、铁)矿,成矿时期为印支早期。该研究成果为区域上铜金多金属矿的系统研究及矿区的下一步找矿工作提供了较为可靠的地质依据。
In order to investigate the copper polymetallic ore genesis of the Dagelegou area in the eastern Kunlun,Qinghai,the regional geology and mine geology and ore bodies characteristics,ore characteristics of the Dagelegou area,the ore controlling factors,ore genesis and prospecting potential of the mining area are analyzed comprehensively. The results show that: copper polymetallic ore metallogenic conditions are good at Dagelegou area,East Kunlun,Qinghai. The metallogenic types are mainly tectonic altered gold,copper,lead and polymetallic deposits rock type,and magmatic liquation type nickel( cobalt and iron) ore. The mineralization period is the early Indosinian. The results provide a reliable geological basis for the systematic study of the copper gold polymetallic deposits and the next step of prospecting in the mining area.
In order to investigate the copper polymetallic ore genesis of the Dagelegou area in the eastern Kunlun,Qinghai,the regional geology and mine geology and ore bodies characteristics,ore characteristics of the Dagelegou area,the ore controlling factors,ore genesis and prospecting potential of the mining area are analyzed comprehensively. The results show that: copper polymetallic ore metallogenic conditions are good at Dagelegou area,East Kunlun,Qinghai. The metallogenic types are mainly tectonic altered gold,copper,lead and polymetallic deposits rock type,and magmatic liquation type nickel( cobalt and iron) ore. The mineralization period is the early Indosinian. The results provide a reliable geological basis for the systematic study of the copper gold polymetallic deposits and the next step of prospecting in the mining area.
引文
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[12]张德全,党兴彦,佘宏全,等.柴北缘—东昆仑地区造山型金矿床的Ar-Ar测年及其地质意义[J].矿床地质,2005,24(2):87-98.
[2]易平乾,陈文林,马生龙,等.青海省重要矿种区域成矿规律研究成果报告[R].西宁:青海省地质矿产勘查开发局,2013.
[3]李厚民,沈远超,胡正国,等.青海东昆仑驼路沟钴(金)矿床地质特征及成因初探[J].地质与勘探,2001,37(1):60-64.
[4]丰成友,张德全,屈文俊,等.青海格尔木驼路沟喷流沉积型钴(金)矿床的黄铁矿Re-Os定年[J].地质学报,2006,80(4):571-576.
[5]闫臻,胡正国,刘继庆,等.东昆仑开荒北金矿床地质特征及控矿条件[J].西安工程学院学报,2000,22(1):23-27.
[6]李厚民,沈远超,胡正国,等.青海东昆仑五龙沟金矿床成矿条件及成矿机理[J].地质与勘探,2001,37(1):65-69.
[7]李厚民,钱状志,刘继庆,等.东昆仑中带找寻五龙沟式金矿的思路[J].青海国土经略,1999(2):47-52.
[8]李磊,钟康惠,田承胜,等.青海省五龙沟地区红旗沟金矿床地质特征[J].科协论坛,2010(1):114-116.
[9]黄银宝,丁春梅.柴北缘宽沟口—红旗沟韧性剪切带及其金成矿动力机制探讨[J].西北地质,2003(4):48-55.
[10]潘彤.青海东昆仑督冷沟铜钴矿床控矿条件的探讨[J].矿产与地质,2004,18(2):109-112.
[11]舒树兰,李彬,陈林.东昆仑督冷沟铜钴矿床多期成矿特征及成矿过程探讨[J].西北地质,2015(1):137-144.
[12]张德全,党兴彦,佘宏全,等.柴北缘—东昆仑地区造山型金矿床的Ar-Ar测年及其地质意义[J].矿床地质,2005,24(2):87-98.