综合物探法开展深部隐伏岩（矿）体勘查的探索研究——以河南西部多金属成矿带为例

Gold Science and Technology ›› 2012, Vol. 20 ›› Issue (6): 21-26.

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Explore Deep Concealed Orebody by the Application of Synthetic Methods of Geophysical Exploration：Take Polymetallic Metallogenic Belt in West of Henan Province as an Example

LI Bing^1，2，DING Yunhe^2，3，WEI Mingjun^2，4，LI Yongfeng^2，5，LUO Zhengzhuan^2，5，SHANG Jiange¹

1.The Second Geological Brigade，Henan Provincial Non-ferrous Metals Geological and Mineral Resources Bureau，Zhengzhou   450000，Henan，China；
2.Non-ferrous Mineral Exploration Engineering Research Center of Henan Province，Zhengzhou   450000，Henan，China；
3.The Seventh Geological Brigade，Henan Provincial Non-ferrous Metals Geological and Mineral Resources Bureau，Zhengzhou   450000，Henan，China；
4.The Fifth Geological Brigade，Henan Provincial Non-ferrous Metals Geological and Mineral Resources Bureau， Zhengzhou   450000，Henan，China；
5.Henan Non-ferrous Metals Geological Exploration Institute，Zhengzhou   450052，Henan，China

Received:2012-08-05 Revised:2012-10-28 Online:2012-12-28 Published:2013-06-21

Abstract

Abstract:

The exploration of deep concealed ore-like metal within polymetallic mineralization belt in western part of Henan Province was conducted by using comprehensive geophysical prospecting methods of CSAMT，SIP and high-precision magnetic.The results show that it is useful for the concealed ore prospecting in the area by using the CSAMT method to determine the concealed rock，then SIP method to define the specific buried depth of the target body and determine its ore potential.Two concealed rocks with towards of north-west and lateral trending of the north-east have been delineated by CSAMT method in the area.Two cross-section are measured by using the SIP method，and a bimodal abnormal characteristics is found.So we come to the conclusion that there may be metal sulfides enrichment in this area，which is coincided with the fault fracture zone inferred by CSAMT measured，and the analysis shows that the metal sulfide was disseminated.Since it takes risk of unburying deep concealed ore-body，using multiple geophysical methods in comprehensive survey can greatly reduce the risk，which can decrease interpretation ambiguity in geophysical exploration，improve the credibility and accuracy of geological interpretation.

Key words: High-precision magnetic, CSAMT, SIP, Concealed rock body, Western Henan Province

CLC Number:

P618.51

LI Bing，DING Yunhe，WEI Mingjun，LI Yongfeng，LUO Zhengzhuan，SHANG Jiange. Explore Deep Concealed Orebody by the Application of Synthetic Methods of Geophysical Exploration：Take Polymetallic Metallogenic Belt in West of Henan Province as an Example[J].Gold Science and Technology, 2012, 20(6): 21-26.

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