陕西简池镇地区1∶2.5万水系沉积物测量地球化学特征及找矿潜力

doi:10.11720/wtyht.2023.1122

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Abstract

Jianchi Town of Shaanxi Province is located in the Nanjiang foreland-superimposed basin on the northern margin of the Yangtze Plate. To determine the prospecting potential, this study conducted a 1∶25,000 stream sediment survey in the study area. Based on the testing results of 12 elements and compounds closely related to mineralization, namely K₂O, Na₂O, CaO, MgO, Cl, S, B, Rb, Cs, Li, Br, and I, this study analyzed the geochemical characteristics of these elements and compounds and determined that Li is the major metallogenic element, Li-B-Rb-Cs-K₂O is the indicator element association for the prospecting of lithium deposits, and the spatial morphology of Li agrees with that of various geological bodies. By combining the metallogenic geological setting, this study delineated 18 integrated anomalies. Through the follow-up examination of the anomalies, multiple lithium ore bodies (mineralized points) were discovered, indicating that the study area has favorable metallogenic geological and geochemical conditions and great prospecting potential.

Key words： stream sediment geochemical characteristic prospecting potential lithium ore Jianchi Town

Received: 16 March 2022 Published: 05 July 2023

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	Jia-Sheng ZHANG
	Wei ZHOU
	Wei-Liang LI
	Xiao-Peng QI
	Jie YANG
	Lu WANG

Cite this article:

Jia-Sheng ZHANG,Wei ZHOU,Wei-Liang LI, et al. Geochemical characteristics and prospecting potential of Jianchi Town, Shaanxi Province, China based on 1∶25,000 stream sediment survey[J]. Geophysical and Geochemical Exploration, 2023, 47(3): 659-669.

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https://www.wutanyuhuatan.com/EN/10.11720/wtyht.2023.1122 OR https://www.wutanyuhuatan.com/EN/Y2023/V47/I3/659

Regional geological structure map

Analytical method and qualityindex

Geochemical characteristic values of elements

R-type cluster analysis pedigree of stream sediments elements

Distribution map of Li geochemical high background in the study area

Single-element anomaly lower limit and anomaly characteristic parameters

Integrated anomalies rating list

HS09 integrated anomaly anatomy diagram

Comprehensive abnormal eigenvalue statistics of HS09

DH27 rock geochemical profile

HS12 integrated anomaly anatomy diagram

Comprehensive anomaly eigenvalue statistics of HS12

DH02 rock geochemical profile

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