青海省化隆县拉水峡铜镍矿区地气汞气测量异常特征分析

J4 ›› 2009, Vol. 17 ›› Issue (4): 54-57.

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Discussion on the Anomaly Characteristics of Lashuixia Cu-Ni Deposit in Qinghai by Geogas and Mercury Gas Measurement

SHEN Yongsheng¹, MA Xiaohong², ZHANG Yujie¹, YAN Libo¹, WANG Mingqi_³

1. Geology and Mineral Exploration Institute, Qinghai Provincial Bureau Geology and Mineral Exploration, Xining 810007, Qinghai, China;
2. Qinghai Institute of Geological Survey, Xining 810012, Qinghai, China;
3. China University of Geosciences, Beijing 100083, China

Received:2008-12-16 Revised:2009-01-06 Online:2009-08-30 Published:2009-09-29

Abstract

Abstract:

Lashuix ia Cu-Ni deposit is located in the middle of Riyue Mountain-Hualong new proterozoic mass if which is the southw estern margin of Qin-Qi-Kun orogenic belt.Host stratum is a set of intermediate and advanced level metamorphic rock of Hualong group, which mainly included biotite plagioclase gneiss and horn blendic schist.Because the mining field is covered by strata, about 50～150 m thickness, purplishred conglomerate and clay rock and so on in paleogene-neogene Xining group. In this area, it is difficult to play a role by using conventional mineral exploration method. Eleven anomalies have been found in this mining area recently by 1∶5 000 geogas and mercury gasmeasurement detailed investigation. Preliminary,Ⅰ anomaly and Ⅲ anomaly have a great prospecting significance. These results show that geogas and mercury gas measurement has a certain referential significance for finding concealed ore-beds.

Key words: Geogas and mercury gas measuremen, Concealed orebody, Anomaly characteristics, Lashuixia Cu-Ni mining area

CLC Number:

P632

SHEN Yongsheng, MA Xiaohong, ZHANG Yujie, YAN Libo, WANG Mingqi. Discussion on the Anomaly Characteristics of Lashuixia Cu-Ni Deposit in Qinghai by Geogas and Mercury Gas Measurement[J].J4, 2009, 17(4): 54-57.

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