Petrology and SHRIMP zircon ages of intrusive body Ⅲ in Baogutu Area, Xinjiang.

Earth Science Frontiers ›› 2011, Vol. 18 ›› Issue (2): 212-222.

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Petrology and SHRIMP zircon ages of intrusive body Ⅲ in Baogutu Area, Xinjiang.

1. Key Laboratory of Orogenic Belts and Crustal Evolution, Ministry of Education; School of Earth and Space Science, Peking University, Beijing 100871, China
2. No8 Gold Geological Party of Chinese People’s Armed Police Force, rümqi 830057, China

Received:2011-01-20 Revised:2011-03-01 Online:2011-03-15 Published:2011-04-15

Abstract

Abstract:

The intrusive body Ⅲ in the Baogutu area is composed of two separate parts (Ⅲ1 in north and Ⅲ2 in south). The lithologic units in Ⅲ1 are granodiorite and quartz diorite and those in Ⅲ2 are quartz diorite, diorite and a small amount of pyroxene diorite. A fresh quartz diorite sample from the central part of Ⅲ1 was dated to 313±3 Ma by zircon SHRIMP. Intrusive body Ⅰ, Ⅱ, Ⅲ1, Ⅳ and Ⅴ were formed during 310325 Ma. The copper mineralization occurred in 316310 Ma.

Key words: quartz diorite, SHRIMP age, Baogutu, West Junggar, Xinjiang

CLC Number:

P597.3

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Petrology and SHRIMP zircon ages of intrusive body Ⅲ in Baogutu Area, Xinjiang.

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