A large submarine sand-rubble flow on kilauea volcano, hawaii
Journal of Volcanology and Geothermal Research
By: D.J. Fornari, J. G. Moore, and L. Calk
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Abstract
Papa'u seamount on the south submarine slope of Kilauea volcano is a large landslide about 19 km long, 6 km wide, and up to 1 km thick with a volume of about 39 km3. Dredge hauls, remote camera photographs, and submersible observations indicate that it is composed primarily of unconsolidated angular glassy basalt sand with scattered basalt blocks up to 1 m in size; no lava flows were seen. Sulfur contents of basalt glass from several places on the sand-rubble flow and nearby areas are low (< 240 ppm), indicating that the clastic basaltic material was all erupted on land. The Papa'u sandrubble flow was emplaced during a single flow event fed from a large near-shore bank of clastic basaltic material which in turn was formed as lava flows from the summit area of Kilauea volcano disintegrated when they entered the sea. The current eruptive output of the volcano suggests that the material in the submarine sand-rubble flow represents about 6000 years of accumulation, and that the flow event occurred several thousand years ago. ?? 1979.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | A large submarine sand-rubble flow on kilauea volcano, hawaii |
| Series title | Journal of Volcanology and Geothermal Research |
| Volume | 5 |
| Issue | 3-4 |
| Year Published | 1979 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Volcanology and Geothermal Research |
| First page | 239 |
| Last page | 256 |
| Google Analytic Metrics | Metrics page |