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1.
Comparison of the Cretaceous-Tertiary boundary impact events and the 0.77-Ma Australasian tektite event : relevance to mass extinction / by E.C.T. Chao. by Series: U.S. Geological Survey bulletin ; 2050
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, D.C. : U.S. Geological Survey, 1993
Availability: Items available for loan: National Library of India (1)Call number: U.S 557.3 Ch 3641.

2.
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.] by Series: U.S. Geological Survey bulletin ; no.2143
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: Washington, D.C. : United States Geological Survey, 1997
Availability: Items available for loan: National Library of India (1)Call number: U.S 553.494095177 C 365.

3.
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.] by Series: U.S. Geological Survey bulletin ; no.2143
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: Washington, D.C. : United States Geological Survey, 1997
Availability: Items available for loan: National Library of India (1)Call number: U.S 553.494095177 C 365.

                                                                           
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