Origin and ages of mineralization of Bayan Obo, the world's largest rare earth ore deposit, Inner Mongolia, China
By: E.C.T. Chao ... [et al.]
Contributors: Chao, E. C. T; Geological Survey (U.S.)
Series: Open-file report -- 90-538; U.S. Geological Survey open-file report -- 90-538
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 1990
Place of publication: [Denver, Colo.?]
Language: eng
Format: Microform
Subjects: Rare earth metals; Geology, Stratigraphic -- Proterozoic; Ore deposits -- China -- Inner Mongolia; Mines and mineral resources -- China -- Inner Mongolia
Notes: Cover title

Distributed to depository libraries in microfiche

Includes bibliographical references (p. 7)

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