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

Author:

Li Ying Shu1,Cai Yan1,Chen Nan1,Chen Jiao Jiao1,Wang Lun1,Zhang Yi Ke1,He Da Qing1

Affiliation:

1. Kunming University of Science and Technology

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.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference12 articles.

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2. Li Yingshu,Qin Dexian,Dang Yutao,et a1.Research on relation between tin ore deposit and(Uhra) ferromagnesian rock.Engineering Science,2005,7 (Sup. ):267—274.

3. Li Yingshu, Qin Dexian,Dang Yutao,et a1.Geological and geochemistrical features of basahs in east Gejiu,Yunnan/Proceeding of The Third Academically Annual Meeting of China Association for Science and Technology.Beijing:Science and Technology Press of China,2005:366—373.

4. Li Yingshu,Qin Dexian,Dang Yutao, et a1.Lead and sulphur isotope of Gejiu tin peposit in Yunnan Province.Geology and Prospecting,2006,42(2):49—53.

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