Source of Tinny Granite in Gejiu Tin Ore Deposit in Yunnan Province, China

Abstract:

It had been believed that the genesis of tinny granite in Gejiu tin ore deposits were hydrothermal mineralization in granite of Yanshanian epoch by most researchers for a long time. However, according to the form, attitude and sulphur isotope in the ore of the oreboby, the authors believe the genesis of the tin ore deposit is relict body of granitic superimposed ore-forming of the Yanshanian epoch after the basic volcano ore-forming of the Indo-Chinese epoch. It’s proved that the form and attitude of the oreboby is basically consistent with the form and attitude of the basalt of the Indo-Chinese epoch. Because sulphur isotope in pyrite of the ore is from 0.21 per thousand to 4.4 per thousand, feature of source of the mantle sulphur isotope is reflected.

• Periodical: Advanced Materials Research (Volumes 634-638)
• Pages: 3493-3497
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.634-638.3493
• Online since: January 2013
• Authors: Ying Shu Li, Yan Cai, Nan Chen, Jiao Jiao Chen, Lun Wang, Yi Ke Zhang, Da Qing He
• Keywords: Basalt, Gejiu in Yunnan Province, Sulphur Isotope, Tinny Granite Ore Deposit

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