Low sulfur content in submarine lavas: An unreliable indicator of subaerial eruption
Geology
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Abstract
Low S content (<250 ppm) has been used to identify subaerially erupted Hawaiian and Icelandic lavas. Large differences in S content of submarine-erupted lavas from different tectonic settings indicate that the behavior of S is complex. Variations in S abundance in undegassed, submarine-erupted lavas can result from different source compositions, different percentages of partial melting, and crystal fractionation. Low S concentrations in highly vesicular submarine lavas suggest that partial degassing can occur despite great hydrostatic pressure. These processes need to be evaluated before using S content as an indicator of eruption depth.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Low sulfur content in submarine lavas: An unreliable indicator of subaerial eruption |
| Series title | Geology |
| DOI | 10.1130/0091-7613(1991)019<0750:LSCISL>2.3.CO;2 |
| Volume | 19 |
| Issue | 7 |
| Year Published | 1991 |
| Language | English |
| Publisher | Geological Society of America |
| Description | 4 p. |
| First page | 750 |
| Last page | 753 |
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