熊耳山矿集区金多金属矿成矿的几点新认识

金属矿山 ›› 2021, Vol. 50 ›› Issue (05): 1-12.

• 专题综述 • 下一篇

熊耳山矿集区金多金属矿成矿的几点新认识

燕长海^1，2 李肖龙^1，2 韩江伟^1，2 冯燕涛³ 马振波^1，2 郭波^1，2 宋要武^1，2

1. 河南省地质调查院，河南郑州 450001；2. 河南省金属矿产成矿地质过程与资源利用重点实验室，河南郑州 450001；3. 栾川鑫曙伟博矿业有限公司，河南洛阳 471500

出版日期:2021-05-15 发布日期:2021-05-12
基金资助:
“十三五”国家重点研发计划项目（编号：2016YFC0600504-02）；河南省自然科学基金项目（编号：182300410106）；中国地质调查局项目（编号：121201004000150017-56）；河南省自然资源厅科技攻关项目（编号：豫财招标采购-2020-165-3）。

New Understanding of Gold Polymetallic Mineralization in Xiong'er Mountain Ore Concentration Area

YAN Changhai^1，2 LI Xiaolong^1，2 HAN Jiangwei^1，2 FENG Yantao³ MA Zhenbo^1，2 GUO Bo^1，2 SONG Yaowu^1，2

1. Henan Institute of Geological Survey，Zhengzhou 450001，China；2. Henan Key Laboratory of Metallogenic Geological Processes and Resource Utilization，Zhengzhou 450001，China； 3. Luanchuan Xinshu Weibo Mining Co.， Ltd.，Luoyang 471500，China

Online:2021-05-15 Published:2021-05-12

摘要/Abstract

摘要： 以往多认为熊耳山矿集区金多金属矿的形成主要受控于区域性的马超营断裂及其NE向、NW向次级断裂，尤其是NE向次级断裂，往往具有等间距分布的特征。在这种认识指导下，熊耳山矿集区的金多金属矿找矿取得了很大成果。近年来，虽然熊耳山矿集区新发现了槐树坪、石窑沟等金、钼矿床，但整体找矿进展并不大，成矿认识方面也没有较大的突破。通过实施中国地质调查局地质大调查项目，在熊耳山矿集区内金多金属成矿与找矿方面取得了一系列新的认识，总结如下：①熊耳群与太华岩群之间的不整合面是熊耳山矿集区金多金属矿床成矿的主控构造，控制着区内金多金属矿田（床）的空间展布；②熊耳期古火山活动对区内金多金属成矿起着重要的控制作用，鸡蛋坪组火山岩地层内的矿床（点）均赋存于不同级别的古火山构造内，应为火山岩型金矿；③含钾长石石英脉型钼矿的形成可能也与熊耳期火山活动有关；④熊耳山矿集区内广泛存在的“硅帽”或“硅化带”对深部成矿有指示意义，建议对其开展深入的矿物学、岩石学和成矿学研究，以取得深部找矿的重大突破。下一步的找矿勘探应该主要围绕这两个控矿构造进行。矿集区内发育大量的硅化带或硅帽，可能是碱交代成矿作用在浅部的表现，指示了深部存在巨大的碱交代体，应该作为下一步找矿勘探的指示标志。

关键词: 深部找矿, 不整合面, 古火山构造, 火山岩型金矿, 硅帽, 矿集区, 熊耳山

Abstract: In the past， it was generally believed that the mineralization of gold polymetallic deposits in Xiong'er Mountain ore concentration area was mainly controlled by the regional Machaoying fault and its NE and NW trending secondary faults. And its NE trending secondary faults often have the characteristics of equidistant distribution. Under the guidance of this understanding， great achievements have been made in gold polymetallic deposits prospecting in this area. In recent years， although the Huaishuping，Shiyaogou and other gold and molybdenum deposits have been newly discovered， the overall prospecting progress is not great，and there is no great breakthrough in the understanding of mineralization. Through the geological survey projects of China Geological Survey， a series of new understandings have been obtained in gold polymetallic mineralization and prospecting in Xiong'er Mountain ore concentration area: ①The unconformity plane between the Xiong'er Group and the Taihua Group is the main controlling structure of gold polymetallic deposits in Xiong'er Mountain ore concentration area， which controls the spatial distribution of gold polymetallic ore fields （deposits） in the area； ②The palaeovolcanicities of the Xiongerian played an important role in controlling the gold polymetallic mineralization in the area. The deposits （or ore occurrence） in the volcanic strata of the Jidanping Formation are hosted in different levels of paleovolcanic structures， which should be volcanic rock type gold deposits； ③The formation of K-feldspar quartz vein type molybdenum deposits may also be related to paleovolcanism of the Xiongerian； ④The "lithoscaps" or "silicified zone" widely existing in the Xiong'er Mountain ore concentration area has indicative significance for deep mineralization. It is suggested that in-depth mineralogical， petrological and metallogenic studies should be carried out so as to achieve a major breakthrough in deep prospecting.It is holds that the next step of prospecting and exploration should mainly focus on these two ore controlling structures. There are a large number of silicified belts or silicon caps in the area， which may be the manifestation of alkali metasomatism in the shallow part. These silicified belts or silicon caps indicate the existence of large alkali metasomatic bodies in the deep， so they should be used as an indicator for the next exploration.

Key words: deep prospecting, unconformity plane, paleovolcanic structure, volcanic rock-type gold deposit, silicon cap, ore concentration area, Xiong'er Mountain

燕长海, 李肖龙, 韩江伟, 冯燕涛马振波, 郭波, 宋要武, . 熊耳山矿集区金多金属矿成矿的几点新认识[J]. 金属矿山, 2021, 50(05): 1-12.

YAN Changhai, LI Xiaolong, HAN Jiangwei, FENG Yantao MA Zhenbo, GUO Bo, SONG Yaowu, . New Understanding of Gold Polymetallic Mineralization in Xiong'er Mountain Ore Concentration Area[J]. Metal Mine, 2021, 50(05): 1-12.

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熊耳山矿集区金多金属矿成矿的几点新认识

New Understanding of Gold Polymetallic Mineralization in Xiong'er Mountain Ore Concentration Area

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