Gas analyses from the Pu'u O'o eruption in 1985, Kilauea volcano, Hawaii
Bulletin of Volcanology
By: L. P. Greenland
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Abstract
Volcanic gas samples were collected from July to November 1985 from a lava pond in the main eruptive conduit of Pu'u O'o from a 2-week-long fissure eruption and from a minor flank eruption of Pu'u O'o. The molecular composition of these gases is consistent with thermodynamic equilibrium at a temperature slightly less than measured lava temperatures. Comparison of these samples with previous gas samples shows that the composition of volatiles in the magma has remained constant over the 3-year course of this episodic east rift eruption of Kilauea volcano. The uniformly carbon depleted nature of these gases is consistent with previous suggestions that all east rift eruptive magmas degas during prior storage in the shallow summit reservoir of Kilauea. Minor compositional variations within these gas collections are attributed to the kinetics of the magma degassing process. ?? 1986 Springer-Verlag.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Gas analyses from the Pu'u O'o eruption in 1985, Kilauea volcano, Hawaii |
| Series title | Bulletin of Volcanology |
| DOI | 10.1007/BF01074465 |
| Volume | 48 |
| Issue | 6 |
| Year Published | 1986 |
| Language | English |
| Publisher location | Springer-Verlag |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Bulletin of Volcanology |
| First page | 341 |
| Last page | 348 |
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