Contribution to the petrography of Haleakala Volcano, Hawaii
GSA Bulletin
By: G. A. Macdonald and H. A. Powers
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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.
Study Area
| 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 |
| Google Analytic Metrics | Metrics page |