Magma Differentiation at Newberry Crater in Central Oregon
MAGMA DIFFERENTIATION AT NEWBERRY CRATER IN CENTRAL OREGON by ROBERT LEE BEYER A DISSERTATION Presented to the Department of Chemistry and the Graduate School of the University of Oregon in partial fulfillment of the requirements for the degree of Doctor of Philosophy December 1973 - ACKNOWLEDGEMENTS The writer wishes to express his thanks to Dr. G. G. Goles for his assistance and encouragement rendered during this investigation. I also wish to thank D. B. Stoeser, L. F. Henage, and J. W. Stoeser for their advice and sugges tions given throughout this study, D. J. Lindstrom for his part in collecting samples, and W. P. Leeman for kindly providing splits of his Lava Butte samples. This research was supported by NSF research grants GA-19382 and GA-33154. - - - - - iii - - v PUBLICATIONS: Instrumental neutron activation analysis of lunar specimens (with G. G. Goles, M. Osawa, K. Randle, D. Y. Jerome, D. J. Lindstrom, M. R. Martin, s. M. McKay, and T. L. Steinborn); Science 167, 497-499 (1970). --- Inte1:pretations and speculations on elemental abundances in lunar samples (with G. G. Goles, K. Randle, M. Osawa, D. J. Lindstrom, D. Y. Jerome, T. L. Steinborn, M. R. Martin, and s. M. McKay; Proc. Apollo 11 Lunar Science Conference, Geochim. Cosmochim. Acta, Supplement~,~, 1177-1194 (1970). Analysis of Apollo 12 specimens: compositional variations, differentiation processes, and lunar soil mixing models (with G. G. Goles, A. R. Duncan, D. J. Lindstrom, M. R. Martin, M. Osawa, K. Randle, L. T. Meek, T. L. Steinborn, and S.M. McKay}; Proc. of the Second Lunar Science Conference 2, 1063-lOSl~he M.
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