Application of exploration geochemistry data to identify anomalies in the plateau region: a case study from the Xiongcun district in the Gangdese metallogenic belt, Tibet, China

IF 1 4区地球科学 Q3 GEOCHEMISTRY & GEOPHYSICS

Geochemistry-Exploration Environment Analysis Pub Date : 2021-04-14 DOI:10.1144/geochem2020-083

Y. Lou, Xinghai Lang, Xuhui Wang, Yulin Deng, Qing He, Chao Huang, Haihui Liang, Na Lv, Min-Gang Dong, Kai Jiang, Zhong Zhang

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引用次数: 1

Abstract

This paper describes the discovery of porphyry Cu–Au ore bodies (No. 2 and No. 3) in Xiongcun, Tibet, China, through the investigation of stream sediments, soils and rocks. The study area (Xiongcun), located in the city of Xigaze, has a complex topography due to its complicated geological background. The Xiongcun No. 1 ore body will soon be mined, 15 years after its discovery. However, recent research on stream sediments, soils and rocks around the No. 1 ore body has revealed notable Cu anomalies on the periphery. With the successful application of exploratory geochemistry data in the anomaly locations, the No. 2 and No. 3 ore bodies have been revealed. The ore reserves of the No. 2 and No. 3 ore bodies are estimated to reach 1.64 million tons of Cu, more than 80 tons of Au and 200 tons of Ag. We expect that our findings will not only enhance the understanding of the reanalysis of anomalies surrounding the discovered deposits but also contribute to the evaluation of the ore-prospecting potential of this plateau region.

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勘探地球化学资料在高原异常识别中的应用——以西藏冈底斯成矿带熊村地区为例

本文通过对河流沉积物、土壤和岩石的调查，描述了在中国西藏熊村发现的斑岩型铜-金矿体（2号和3号）。研究区（熊村）位于日喀则市，地质背景复杂，地形复杂。熊村1号矿体在发现15年后即将开采。然而，最近对1号矿体周围河流沉积物、土壤和岩石的研究表明，外围存在显著的铜异常。随着勘探地球化学资料在异常位置的成功应用，揭示了2号和3号矿体。2号和3号矿体的矿石储量估计达到164万吨铜、80多吨金和200吨银。我们希望我们的发现不仅能加深对已发现矿床周围异常的再分析，而且有助于评估该高原地区的找矿潜力。

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来源期刊

Geochemistry-Exploration Environment Analysis 地学-地球化学与地球物理

CiteScore

3.60

自引率

16.70%

发文量

审稿时长

1 months

期刊介绍： Geochemistry: Exploration, Environment, Analysis (GEEA) is a co-owned journal of the Geological Society of London and the Association of Applied Geochemists (AAG). GEEA focuses on mineral exploration using geochemistry; related fields also covered include geoanalysis, the development of methods and techniques used to analyse geochemical materials such as rocks, soils, sediments, waters and vegetation, and environmental issues associated with mining and source apportionment. GEEA is well-known for its thematic sets on hot topics and regularly publishes papers from the biennial International Applied Geochemistry Symposium (IAGS). Papers that seek to integrate geological, geochemical and geophysical methods of exploration are particularly welcome, as are those that concern geochemical mapping and those that comprise case histories. Given the many links between exploration and environmental geochemistry, the journal encourages the exchange of concepts and data; in particular, to differentiate various sources of elements. GEEA publishes research articles; discussion papers; book reviews; editorial content and thematic sets.