张海坤;胡鹏;曹亮;程湘;战明国;潘罗忠;戴昱;潘贝红;

• 1:中国地质调查局武汉地质调查中心
• 2:广西壮族自治区地质矿产勘查开发局
• 3:中国东盟地学合作中心(南宁)
• 4:广西壮族自治区区域地质调查研究院

摘要(Abstract)：

戴里铅锌矿集区位于印度尼西亚苏门答腊岛西北部,是一个主要产于页岩、具有巨型规模的Sedex型铅锌矿。通过系统的流体包裹体测试及H、O、S、Pb等同位素分析,以对其成因进行约束。分析结果表明:①戴里铅锌矿流体包裹体均一温度范围为189～315℃,峰值为220～240℃;②δD_(V-SMOW)值范围为-68.7‰～-76.4‰,平均为-72.9‰,δ~(18)O_(V-SMOW)值范围为+5.9‰～+19.5‰,平均为+16.6‰;③黄铁矿δ~(34)S_(CDT)值为正值,集中分布在+25.49‰～+26.36‰之间;④铅同位素显示较高的μ值(9.92～10.17,平均值为10.04)和ω值(38.06～40.51,平均值为39.26)。该矿床成矿流体温度为中温(220～240℃),成矿流体可能以岩浆水为主,有少量浅源水的加入,硫、铅均为单一来源,其中硫主要来自海水,铅来源于上地壳。

关键词(KeyWords)： 印度尼西亚;戴里铅锌矿集区;Sedex型;流体包裹体;硫铅同位素

Abstract:

Keywords:

基金项目(Foundation): 中国地质调查局地质调查项目“印度尼西亚苏门答腊岛铜多金属资源潜力评价”(DD20160114);; 广西壮族自治区地质矿产勘查开发局地质勘查基金项目“广西与东盟特提斯构造过程与大规模成矿作用对比研究”(桂地矿外任[2018]1号)

作者(Author): 张海坤;胡鹏;曹亮;程湘;战明国;潘罗忠;戴昱;潘贝红;

Email:

DOI: 10.19509/j.cnki.dzkq.2020.0318

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