If Lava Mingled with Ground Ice on Mars
Clusters of small cones on the lava plains of Mars have caught the attention of planetary geologists for years for a simple and compelling reason: ground ice. These cones look like volcanic rootless cones found on Earth where hot lava flows over wet surfaces such as marshes, shallow lakes or shallow...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.528.8364 2023-05-15T16:49:55+02:00 If Lava Mingled with Ground Ice on Mars Written Linda M. V. Martel The Pennsylvania State University CiteSeerX Archives 2001 application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.528.8364 http://www.psrd.hawaii.edu/June01/PSRD-lavaIceMars.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.528.8364 http://www.psrd.hawaii.edu/June01/PSRD-lavaIceMars.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.psrd.hawaii.edu/June01/PSRD-lavaIceMars.pdf text 2001 ftciteseerx 2016-01-08T10:28:47Z Clusters of small cones on the lava plains of Mars have caught the attention of planetary geologists for years for a simple and compelling reason: ground ice. These cones look like volcanic rootless cones found on Earth where hot lava flows over wet surfaces such as marshes, shallow lakes or shallow aquifers. Steam explosions fragment the lava into small pieces that fall into cone-shaped debris piles. Peter Lanagan, Alfred McEwen, Laszlo Keszthelyi (University of Arizona), and Thorvaldur Thordarson (University of Hawai`i) recently identified groups of cones in the equatorial region of Mars using new high-resolution Mars Orbiter Camera (MOC) images. They report that the Martian cones have the same appearance, size, and geologic setting as rootless cones found in Iceland. If the Martian and terrestrial cones formed in the same way, then the Martian cones mark places where ground ice or groundwater existed at the time the lavas surged across the surface, estimated to be less than 10 million years ago, and where ground ice may still be today. Text Iceland Unknown |
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Clusters of small cones on the lava plains of Mars have caught the attention of planetary geologists for years for a simple and compelling reason: ground ice. These cones look like volcanic rootless cones found on Earth where hot lava flows over wet surfaces such as marshes, shallow lakes or shallow aquifers. Steam explosions fragment the lava into small pieces that fall into cone-shaped debris piles. Peter Lanagan, Alfred McEwen, Laszlo Keszthelyi (University of Arizona), and Thorvaldur Thordarson (University of Hawai`i) recently identified groups of cones in the equatorial region of Mars using new high-resolution Mars Orbiter Camera (MOC) images. They report that the Martian cones have the same appearance, size, and geologic setting as rootless cones found in Iceland. If the Martian and terrestrial cones formed in the same way, then the Martian cones mark places where ground ice or groundwater existed at the time the lavas surged across the surface, estimated to be less than 10 million years ago, and where ground ice may still be today. |
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The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Written Linda M. V. Martel |
spellingShingle |
Written Linda M. V. Martel If Lava Mingled with Ground Ice on Mars |
author_facet |
Written Linda M. V. Martel |
author_sort |
Written Linda |
title |
If Lava Mingled with Ground Ice on Mars |
title_short |
If Lava Mingled with Ground Ice on Mars |
title_full |
If Lava Mingled with Ground Ice on Mars |
title_fullStr |
If Lava Mingled with Ground Ice on Mars |
title_full_unstemmed |
If Lava Mingled with Ground Ice on Mars |
title_sort |
if lava mingled with ground ice on mars |
publishDate |
2001 |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.528.8364 http://www.psrd.hawaii.edu/June01/PSRD-lavaIceMars.pdf |
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Iceland |
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Iceland |
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http://www.psrd.hawaii.edu/June01/PSRD-lavaIceMars.pdf |
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http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.528.8364 http://www.psrd.hawaii.edu/June01/PSRD-lavaIceMars.pdf |
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Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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