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The Sedimentary Carbonate-Hosted Giant Bayan Obo REE-Fe-Nb Ore Deposit of Inner Mongolia, China: A Cornerstone Example for Giant Polymetallic Ore Deposits of Hydrothermal Origin



By E.C.T. Chao, J.M. Back, J.A. Minkin, M. Tatsumoto, Wang Junwen,
J.E. Conrad, and E.H. McKee,
U.S. Geological Survey, U.S.A.,
Hou Zonglin and Meng Qingrun,
Tianjin Geological Research Academy, Ministry of Metallurgical Industry, China,
and Huang Shengguang,
Baotou Steel and Rare Earth Corporation, Inner Mongolia, China

 

U.S. GEOLOGICAL SURVEY BULLETIN 2143

The work in this report was made possible by the U.S./People's Republic of China Earth Sciences Protocol between the Academy of Geological Sciences of the Ministry of Geology and Mineral Resources of China and the U.S. Geological Survey, Department of the Interior of the United States of America



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UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON: 1997



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GORDON P. EATON, Director



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Manuscript approved for publication June 28, 1995.



Library of Congress Cataloging in Publication Data

The sedimentary carbonate-hosted giant Bayan Obo REE-Fe-Nb ore deposit of Inner Mongolia, China : a cornerstone example for giant polymetallic ore deposits of hydrothermal origin / by E.C.T. Chao... [et al.].

p. cm.--(U.S. Geological Survey bulletin ; 2143)

Includes bibliographical references.

Supt. of Docs. no.: I 19.3:2143

1. Hydrothermal deposits--China--Inner Mongolia. 2. Earths, Rare--China--Inner Mongolia. 3. Iron ores--China--Inner Mongolia. 4. Niobium ores--China--Inner Mongolia. 5. Geology--China--Inner Mongolia. 6. Geology, Stratigraphic--Proterozoic. I. Chao, E.C.T. II. Series. III. Series: U.S. Geological Survey bulletin ; 2143.

QE75.B9 no. 2143

[QE390.5]

557.3 s--dc20

[553.4'94'095177] 95-24696

CIP

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