* Note - all analyses by the U.S> Geological Survey except those enumerated below: Coats (1952), cols 1 and 14; Simons and Mathewson (1955), col. 12; analysis by O.V. Knorring, col 16; average from Engle et al (1965), col. 17; average of 11 analyses from Smith and Carmichael (1969) and Bacon and Carmichael (1973), col. 18. Abbreviations: W = <2 ppm, X = < 20 ppm. *71: Olivine analyses * Note - SiO2 determined by stoichiometry with Ca, Fe, Mg, Ca, and Ni; X = xenocryst; C = phenocryst core; R = phenocryst rim, m = groundmass *72: Orthopyroxene analyses * Note - SiO2 determined by stoichiometry with Ca, Fe, Mg, and Mn; C = phenocryst core; R = phenocryst rim; m = groundmass *73: Clinopyroxene analyses * Note - C = phenocryst core; R = phenocryst rim; m = groundmass *74: Titanomagnetite analyses