斑岩型矿床——非传统矿产资源研究的重要对象

张寿庭; 赵鹏大

doi:10.3799/dqkx.2011.025

斑岩型矿床——非传统矿产资源研究的重要对象

doi: 10.3799/dqkx.2011.025

中国地质大学地质过程与矿产资源国家重点实验室, 北京 100083

基金项目:

国家"十二·五"科技支撑计划项目 2010BAE00281-6

详细信息

作者简介:
张寿庭(1964-), 男, 博士, 教授, 博士生导师, 主要从事固体矿产勘查评价等方面教研工作.E-mail: zst@cugb.edu.cn

中图分类号: P588.1
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出版历程
- 收稿日期: 2010-10-25
- 刊出日期: 2011-03-01

Porphyry Ore Deposits: Important Study Subjects of Nontraditional Mineral Resources

State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, Beijing 100083, China

摘要

摘要: 多年来, 斑岩型矿床在传统意义上被认为是铜和钼的主要来源.然而, 斑岩型矿床成岩成矿地质条件复杂, 矿化类型丰富, 尤其是对一些大型-超大型斑岩矿床, 均为多元素综合性的巨型矿床, 除传统意义上的铜、钼等矿产外, 非传统矿产的成矿-找矿潜力巨大, 包括: 金、银、锡、钨、铋、铅、锌、铼、铀、钴、硫、硒、碲、铂族元素、磁铁矿等, 金红石和稀有金属如钽、铌等也值得关注.开展斑岩型矿床成岩成矿地质背景、矿床地质特征与非传统矿产矿化富集分布规律研究, 总结斑岩型矿床非传统矿产资源潜力预测评价标志, 指导找矿预测与资源潜力评价, 具有重要的理论价值和现实意义.
- 斑岩型矿床 /
- 矿床地质 /
- 非传统矿产 /
- 资源潜力评价
Abstract: For many years, porphyry ore deposits have been regarded as the primary sources of the Cu and Mo in a traditional way. However, the geologic conditions of the diagenesis and metallogenesis of the porphyry ore deposits are complex with various mineralization types. Some of the large-superlarge deposits are multielemental and comprehensive. In addition to the Cu, Mo porphyry ore deposits, the metallogenesis and prospecting on nontraditional resources have great potential, including Au, Ag, Sn, W, Bi, Pb, Zn, Re, U, Co, S, Se, Te, PGE, magnetite, etc; rutile and rare metals, such as Ta, Nb are also worth paying attention to. It is of important theoretical value and practical significance to study the diagenesis and metallogenesis of geological background, geological characteristics, mineralization of distribution and the enrichment of a nontraditional view on the porphyry ore deposits; it is meaningful to summarize the indicator of prognosis and assessment on the nontraditional mineral resources, and to guide the prospecting and resource potential assessment on the porphyry ore deposits.
- porphyry ore deposit /
- ore deposit geology /
- nontraditional mineral resources /
- resource potential assessment

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图 1 滇西北喜山期富碱斑岩岩石化学组成及主要矿化类型分布特征

Fig. 1. The lithogeochemical composition and main mineralization contribution of alkali rich porphyry in Xishan period in Northwest of Yunnan Province, China

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表 1 多宝山等斑岩型矿床中辉钼矿的Re、Os含量

Table 1. Re, Os contents in the porphyry deposits of Duobaoshan etc.

矿床	样号	样重(mg)	Re(μg/g)	¹⁸⁷Re(μg/g)	¹⁸⁷Os(ng/g)	资料来源
多宝山铜矿	Du-9	9	567±19	355±12	3 044±47	赵一鸣等(1997)
	Du-20	13.8	537.9±25	336.74±1.59	2 824±26
	D865	18.6	303.2±1.5	189.81±0.95	1 586.6±7.1
铜山铜矿	832~860	9	822±21	515±13	4 288±50
铜山铜矿	832~2	11.3	497±6	311±4	2 434±67
乌奴格吐山铜矿	W-48	12.46	50.9±0.4	31.9±0.3	81±9
金堆城钼矿	J82-1	85	12.9±0.4	8.1±0.3	17.2±0.7	黄典豪等(1994)
	J82-9	150	19.7±0.5	12.3±0.3	26.4±0.4
	J82-0	498~512	15.8±0.5	9.9±0.3	22.6±0.4

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表 2 滇西北喜山期富碱斑岩成矿专属性与成矿多样性特征

Table 2. The metallogenic relation and mineralizing diversity of alkali rich porphyry in Xishan period in Northwest of Yunnan Province, China

系列	亚系列	矿床类型	矿产组合	典例
喜山期富碱斑岩成矿系列	花岗斑岩类成矿亚系列	斑岩型、矽卡岩-角岩型、热液(脉)型	主要Cu-Mo-(Au)次要：Pb-Zn-Ag	马厂箐矿区
	二长斑岩类成矿亚系列	斑岩型、矽卡岩-角岩型、热液(脉)型	主要：Cu-Au-(Mo)次要：Pb-Zn-Ag	西范坪-罗卜地矿区
	正长斑岩类成矿亚系列	斑岩型、矽卡岩-角岩型、热液(脉)型	主要：Pb-Zn-Ag-Au次要：Cu-Mo-W-Fe	北衙矿区、姚安矿区
	富钾煌斑岩类成矿亚系列	热液型	主要：Au	老王寨矿区、姚安矿区
	碱性杂岩成矿亚系列	岩浆型、热液型	主要：霞石正长岩-磷灰石-稀土-Au	卓潘矿区

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