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Bunch & Keil 1971

Bunch, T.E. and Keil, K. (1971). Contributions to Mineral Chemistry of Hawaiian Rocks; I, Gabbroic Pegmatoid Dike Segregations in the Waianae Range, Oahu, Hawaii. Contributions to Mineralogy and Petrology 31(4): 267-274.

Small gabbroic dikes of TiO2 content transect massive hawaiite in the Kaena Quarry, Waianae Range, Oahu. One dike studied consists of two rock types: (a) border zone alkali gabbro of high titanomagnetite and titanaugite content and, (b) interior mugearite that contains iron-rich pyroxenes and K-feldspar. The dike probably formed as an in situ late-stage segregation enriched in TiO2, SiO2, and alkalis.

Keywords
alkali basalts; Alkali gabbro; basalts; chemical composition;, differentiation; East Pacific Ocean Islands; gabbros; genesis;, Hawaii; Honolulu County Hawaii; igneous rocks; magmas; mineral, composition; mugearite; Oahu; Oceania; petrology; plutonic rocks;, Polynesia; United States; volcanic rocks; Waianae, 05, Igneous and metamorphic petrology

Journal
Contributions to Mineralogy and Petrology
http://link.springer.de/link/service/journals/00710/

Publisher
Springer-Verlag New York Inc.
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