The Re-Os Isotopic Dating of Molybdenite from the Dasuji Molybdenum Deposit in Zhuozi County of Inner Mongolia and Its Geological Significance

ZHANG Tong; CHEN Zhiyong; XU Liquan; CHEN Zhenghui

2009 Vol. 28, No. 3

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ZHANG Tong, CHEN Zhiyong, XU Liquan, CHEN Zhenghui. The Re-Os Isotopic Dating of Molybdenite from the Dasuji Molybdenum Deposit in Zhuozi County of Inner Mongolia and Its Geological Significance[J]. Rock and Mineral Analysis, 2009, 28(3): 279-282.

Citation:

The Re-Os Isotopic Dating of Molybdenite from the Dasuji Molybdenum Deposit in Zhuozi County of Inner Mongolia and Its Geological Significance

1.
China University of Geosciences（Beijing），Institute of Geological Survey of Inner Mongolia Autonomous Region
2.
Institute of Geological Survey of Inner Mongolia Autonomous Region
3.
Institute of Geological Survey of Inner Mongolia Autonomous Region
4.
China University of Geosciences（Beijing），Institute of Mineral Resources Chinese Academy of Geological Sciences

Received Date: 01 February 2009

Revised Date: 16 March 2009

Publish Date: 28 June 2009

Abstract

Abstract

The Dasuji molybdenum deposit in Zhuozi County of Inner Mongolia is a porphyry molybdenum deposit discovered in the northern margin of North China Block in recent years. Through the ReOs dating of molybdenite from quartz porphyry, the isochron age of (222.5±3.2) Ma and the model age of (222.1±3.2) Ma～(224.6±3.4) Ma were obtained, which means molybdenite formed in late Triassic. It also means that the magmatism and mineralization took place in Indosinian in the northern margin of North China Block. This is significant to prospect the Indosinian molybdenum-polymetallic deposits in this area.
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- Dasuji /
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