01376cam a22003131a 4500 gs 60000217 DLC 20260227111409.0 780819s1960 dcua b f000 0 eng gs 60000217 (OCoLC)4153992 DLC OClU DNAL DLC premarc QE75 .B9 no. 1113 407 G29B no.1113 X400 543.6 Second report on a cooperative investigation of the composition of two silicate rocks / by Rollin E. Stevens ... [et al.]. Washington, [D.C.] : U.S. G.P.O., 1960. iv, 126 p. : ill. ; 24 cm. Geological Survey bulletin ; 1113 "An investigation by staff members of University of Cape Town, South Africa; California Institute of Technology, Pasadena; Indiana Geological Survey, Bloomington; and U.S. Geological Survey." Sequel to U.S. Geological Survey Bulletin 980, A cooperative investigation of precision and accuracy in chemical, spectrochemical and modal analysis of silicate rocks, by H. W. Fairbairn and others. Bibliography: p. 122-126. Rocks Analysis. Silicates. Stevens, Rollin E. (Robert Elbert), 1905- A cooperative investigation of the composition of two silicate rocks. 29456 29456