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Low sulfur content in submarine lavas: an unreliable indicator of subaerial eruption

Geology

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, , , and

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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. -Authors

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Low sulfur content in submarine lavas: an unreliable indicator of subaerial eruption
Series title:
Geology
Volume
19
Issue:
7
Year Published:
1991
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Geology
First page:
750
Last page:
753
Number of Pages:
4