Browsing Pacific Science Volume 31, Number 2, 1977 by Author "Bauer, GR"

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Contributions to the Mineral Chemistry of Hawaiian Rocks. V. Composition and Origin of Ultramafic Nodules and Megacrysts in a Rhyodacite from Oahu, Hawaiian Islands

Fodor, RV; Keil, Klaus; Bauer, GR (University of Hawaii Press, 1977-04)

Dunite nodules (Fo85) and megacrysts of olivine (Fo83 - 84 ) and clinopyroxene (FS13 Wo43 En44) are present as rare inclusions in the rhyodacite ( ~ 66wt%SiO 2 ) of Kauaopuu Ridge, Oahu, Hawaii. The rhyodacite is ...