Contribution to the petrography of Haleakala Volcano, Hawaii 

GSA Bulletin
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Abstract

The volcanic rocks of Haleakala Volcano comprise, from oldest to youngest, the Honomanu, Kula, and Hana volcanic series. The Honomanu volcanic series consists largely of olivine basalt, with less abundant basalt and picrite-basalt containing large phenocrysts of olivine. In the Kula and Hana volcanic series there are some basalts and olivine basalts, but the characteristic rocks are andesites and picrite-basalt containing abundant phenocrysts of augite as well as olivine. New chemical analyses of six specimens of Kula lavas are given. Five are andesites, and one a picrite-basalt. Each of the six rocks is described in detail. A variation diagram for Haleakala rocks illustrates the alkalic character of the series.

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Publication type Article
Publication Subtype Journal Article
Title Contribution to the petrography of Haleakala Volcano, Hawaii 
Series title GSA Bulletin
DOI 10.1130/0016-7606(1946)57[115:CTTPOH]2.0.CO;2
Volume 57
Issue 1
Year Published 1946
Language English
Publisher Geological Society of America
Description 10 p.
First page 115
Last page 124
Country United States
State Hawaii
Other Geospatial Haleakala Volcano
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