Acoustic stratigraphy and hydrothermal activity within Epi Submarine Caldera, Vanuatu, New Hebrides Arc
Geo-Marine Letters
By: H. Gary Greene and N.F. Exon
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Abstract
Geological and geophysical surveys of active submarine volcanoes offshore and southeast of Epi Island, Vanuatu, New Hebrides Arc, have delineated details of the structure and acoustic stratigraphy of three volcanic cones. These submarine cones, named Epia, Epib, and Epic, are aligned east-west and spaced 3.5 km apart on the rim of a submerged caldera. At least three acoustic sequences, of presumed Quaternary age, can be identified on single-channel seismic-reflection profiles. Rocks dredged from these cones include basalt, dacite, and cognate gabbroic inclusions with magmatic affinities similar to those of the Karua (an active submarine volcano off the southeastern tip of Epi) lavas. ?? 1988 Springer-Verlag New York Inc.
Suggested Citation
Greene, H., Exon, N., 1988, Acoustic stratigraphy and hydrothermal activity within Epi Submarine Caldera, Vanuatu, New Hebrides Arc: Geo-Marine Letters, v. 8, no. 3, p. 121-129, https://doi.org/10.1007/BF02326088.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Acoustic stratigraphy and hydrothermal activity within Epi Submarine Caldera, Vanuatu, New Hebrides Arc |
| Series title | Geo-Marine Letters |
| DOI | 10.1007/BF02326088 |
| Volume | 8 |
| Issue | 3 |
| Year Published | 1988 |
| Language | English |
| Publisher location | Springer-Verlag |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Geo-Marine Letters |
| First page | 121 |
| Last page | 129 |