Geology and mineralization of the Tiegelongnan supergiant porphyry-epithermal Cu (Au, Ag) deposit (10 Mt) in western Tibet, China: A review

被引：2

作者：

Yang, Huan-huan ^{[1
]}

Wang, Qin ^{[2
]}

Li, Yan-bo ^{[3
]}

Lin, Bin ^{[1
]}

Song, Yang ^{[1
]}

Wang, Yi-yun ^{[4
]}

He, Wen ^{[1
]}

Li, Hong-wei ^{[3
]}

Li, She ^{[5
]}

Li, Jian-li ^{[3
]}

Liu, Chang-cheng ^{[5
]}

Feng, Shi-bin ^{[3
]}

Xin, Tang ^{[3
]}

Fu, Xue-lian ^{[2
]}

Liang, Xin-juan ^{[2
]}

Zhang, Qi ^{[6
]}

Wang, Bei-qi ^{[6
]}

Li, Yang ^{[1
]}

机构：

[1] Chinese Acad Geol Sci, Inst Mineral Resources, MNR Key Lab Metallogeny & Mineral Assessment, Beijing 100037, Peoples R China

[2] Chengdu Univ Technol, Coll Earth Sci, Chengdu 610059, Peoples R China

[3] 5 Geol Brigade Tibet Bur Geol & Mineral Explorat, Golmud 816000, Peoples R China

[4] Minist Nat Resources, Chengdu Ctr China Geol Survey, Chengdu 610081, Peoples R China

[5] Chinalco Tibet Min Co Ltd, Lhasa 850000, Peoples R China

[6] China Univ Geosci Beijing, Sch Earth Sci & Resources, Beijing 100083, Peoples R China

来源：

CHINA GEOLOGY | 2022年 / 5卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Giant porphyiy-epithennal copper; Mineralization and alteration; Formation and preservation mechanism; Tiegelongnan; Duolong ore district; Early Cretaceous; Mineral exploration engineering; Bangongco-Nujiang metallogenic belt; Tibet; ZIRCON U-PB; BANGONG-NUJIANG SUTURE; TECTONIC EVOLUTION; METALLOGENIC BELT; CRETACEOUS MAGMATISM; FLUID INCLUSIONS; THERMAL HISTORY; VOLCANIC-ROCKS; COPPER-DEPOSIT; HF ISOTOPES;

D O I：

10.31035/cg2022001

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

The Tiegelongnan Cu (Au, Ag) deposit in central Tibet contains more than 10 Mt of copper ranking 29th in the world. It is characterized by typical porphyry-epithermal alteration and mineralization. In order to improve the understanding of porphyry-epithermal copper deposit in Tibet, new zircon U-Pb age and sulfur isotope data along with published data in the Tiegelongnan are presented to investigate the formation and preservation mechanism. Ore-related intrusive rocks in the Tiegelongnan including Early Cretaceous (about 120 Ma) granodiorite porphyry and diorite porphyry are closely related to the northward subduction of Bangongco-Nujiang ocean. Sulfur mainly comes from deep magma, and ore-forming fluid is affected by both magmatic and meteoric water. The metallogenic setting of Tiegelongnan is consistent with those of Andean porphyry copper deposits in South America. The cover of the Meiriqiecuo Formation volcanic rocks, Lhasa-Qiangtang collision and India-Eurasian collision have significance in the preservation and uplift of the deposit. The formation, preservation and discovery of Tiegelongnan play an important role in exploration of ancient porphyry-epithermal deposits in Tibet. (C) 2022 China Geology Editorial Office.

引用

页码：136 / 159

页数：24

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