The Lead Isotope Characteristics and Tracing Significance of Ore Metallogenic Material in the Geza Arc,Yunnan

Xue Long Liu; Na Zhang; Jian Kang

doi:10.4028/www.scientific.net/AMR.1073-1076.2054

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1073-1076The Lead Isotope Characteristics and Tracing...

The Lead Isotope Characteristics and Tracing Significance of Ore Metallogenic Material in the Geza Arc,Yunnan

Abstract:

Geza arc is the important parts of Yidun island arc in southwest of Sanjiang tectonic magmatic belts, it located in the southern tip of the Yidun island arc, which is a newly discovered copper polymetallic ore concentration area in the recently years in China. Based on the development stage of island arc orogenic, the distribution of intrusive rocks, composition, geochemical characteristics, Geza island arc granits belt can be divided into three belts. Geza island arc several typical porphyry deposits Pb isotopic data show that Pb²⁰⁶/Pb²⁰⁴ 17.680~19.165, Pb²⁰⁷/Pb²⁰⁴ 15.453~15.773,change in scope, Pb²⁰⁸/Pb²⁰⁴ 37.730~39.654. Most of samples are normal lead, Pb isotopes focused on the side of orogenic evolution line and the lower crust range,with the characteristics of crust-mantle mixed source.

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Periodical:

Advanced Materials Research (Volumes 1073-1076)

Pages:

2054-2057

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1073-1076.2054

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Online since:

December 2014

Authors:

Xue Long Liu, Na Zhang, Jian Kang

Keywords:

Geza Arc, Lead Isotope, Material Source, Metallogenic Belt, Yunnan

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