Rb/Sr isotopic ratios in selected lower crust-upper mantle nodules from Colorado-Wyoming kimberlites - Smith, Craig B.; McCallum, M. E. (Malcolm E.), 1934-; Hedge, Carl E.; Geological Survey (U.S.) ([Reston, Va.?] : The Survey, 1982)
Microfiche. [Denver, Colo. : U.S. Geological Survey, 1982?]. 1 microfiche ; 11 x 15 cm.
Distributed to depository libraries on microfiche.
Bibliography: p. 20-21.
Keywords: Kimberlite -- Colorado; Kimberlite -- Wyoming