Tube-fed pahoehoe lava-flow features of Azorella Peninsula, Heard Island, southern Indian Ocean
Abstract Azorella Peninsula on Heard Island in the sub-Antarctic comprises basaltic scoria that is overlain by basalt flows. Typical tube-fed pahoehoe flows characteristic of some Hawaiian-type volcanoes occur. The volcanic landforms of the peninsula include highly degraded volcano remnants and undi...
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crcambridgeupr:10.1017/s0032247400025699 2024-03-03T08:37:42+00:00 Tube-fed pahoehoe lava-flow features of Azorella Peninsula, Heard Island, southern Indian Ocean Kiernan, Kevin McConnell, Anne Yates, Tony 1998 http://dx.doi.org/10.1017/s0032247400025699 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0032247400025699 en eng Cambridge University Press (CUP) https://www.cambridge.org/core/terms Polar Record volume 34, issue 190, page 225-236 ISSN 0032-2474 1475-3057 General Earth and Planetary Sciences Ecology Geography, Planning and Development journal-article 1998 crcambridgeupr https://doi.org/10.1017/s0032247400025699 2024-02-08T08:44:03Z Abstract Azorella Peninsula on Heard Island in the sub-Antarctic comprises basaltic scoria that is overlain by basalt flows. Typical tube-fed pahoehoe flows characteristic of some Hawaiian-type volcanoes occur. The volcanic landforms of the peninsula include highly degraded volcano remnants and undissected scoria cones, pahoehoe flows, lava rises, tumuli, open vertical volcanic conduits, and lava tubes. Features produced by lava inflation are widespread but are generally of low topographic relief. Many detailed lava-flow features are preserved in dramatically fresh condition within the protected environment of lava tubes. They highlight the efficacy of the lava tubes in maintaining high temperatures and low viscosity of the flowing lava. The lava tubes on Heard Island are the only features of their kind hitherto recorded from Antarctic and sub-Antarctic latitudes. Article in Journal/Newspaper Antarc* Antarctic Heard Island Polar Record Cambridge University Press Antarctic Heard Island Indian Polar Record 34 190 225 236 |
institution |
Open Polar |
collection |
Cambridge University Press |
op_collection_id |
crcambridgeupr |
language |
English |
topic |
General Earth and Planetary Sciences Ecology Geography, Planning and Development |
spellingShingle |
General Earth and Planetary Sciences Ecology Geography, Planning and Development Kiernan, Kevin McConnell, Anne Yates, Tony Tube-fed pahoehoe lava-flow features of Azorella Peninsula, Heard Island, southern Indian Ocean |
topic_facet |
General Earth and Planetary Sciences Ecology Geography, Planning and Development |
description |
Abstract Azorella Peninsula on Heard Island in the sub-Antarctic comprises basaltic scoria that is overlain by basalt flows. Typical tube-fed pahoehoe flows characteristic of some Hawaiian-type volcanoes occur. The volcanic landforms of the peninsula include highly degraded volcano remnants and undissected scoria cones, pahoehoe flows, lava rises, tumuli, open vertical volcanic conduits, and lava tubes. Features produced by lava inflation are widespread but are generally of low topographic relief. Many detailed lava-flow features are preserved in dramatically fresh condition within the protected environment of lava tubes. They highlight the efficacy of the lava tubes in maintaining high temperatures and low viscosity of the flowing lava. The lava tubes on Heard Island are the only features of their kind hitherto recorded from Antarctic and sub-Antarctic latitudes. |
format |
Article in Journal/Newspaper |
author |
Kiernan, Kevin McConnell, Anne Yates, Tony |
author_facet |
Kiernan, Kevin McConnell, Anne Yates, Tony |
author_sort |
Kiernan, Kevin |
title |
Tube-fed pahoehoe lava-flow features of Azorella Peninsula, Heard Island, southern Indian Ocean |
title_short |
Tube-fed pahoehoe lava-flow features of Azorella Peninsula, Heard Island, southern Indian Ocean |
title_full |
Tube-fed pahoehoe lava-flow features of Azorella Peninsula, Heard Island, southern Indian Ocean |
title_fullStr |
Tube-fed pahoehoe lava-flow features of Azorella Peninsula, Heard Island, southern Indian Ocean |
title_full_unstemmed |
Tube-fed pahoehoe lava-flow features of Azorella Peninsula, Heard Island, southern Indian Ocean |
title_sort |
tube-fed pahoehoe lava-flow features of azorella peninsula, heard island, southern indian ocean |
publisher |
Cambridge University Press (CUP) |
publishDate |
1998 |
url |
http://dx.doi.org/10.1017/s0032247400025699 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0032247400025699 |
geographic |
Antarctic Heard Island Indian |
geographic_facet |
Antarctic Heard Island Indian |
genre |
Antarc* Antarctic Heard Island Polar Record |
genre_facet |
Antarc* Antarctic Heard Island Polar Record |
op_source |
Polar Record volume 34, issue 190, page 225-236 ISSN 0032-2474 1475-3057 |
op_rights |
https://www.cambridge.org/core/terms |
op_doi |
https://doi.org/10.1017/s0032247400025699 |
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Polar Record |
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34 |
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190 |
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225 |
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236 |
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1792500903828258816 |