Surface Geology and Tectonism on Enceladus
Enceladus is remarkable not only for its active water ice eruptions near the south pole, but also because its surface geology preserves a system of large-scale tectonic patterns that record past, as well as present centers of tectonic deformation. The currently active South Polar Terrain (SPT) geolo...
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ftdlr:oai:elib.dlr.de:45798 2024-05-19T07:48:37+00:00 Surface Geology and Tectonism on Enceladus Helfenstein, Paul Thomas, Peter Veverka, Joe Porco, Carolyn Giese, Bernd Wagner, Roland Roatsch, Thomas Denk, Tillmann Neukum, Gerhard 2006-12-11 https://elib.dlr.de/45798/ unknown Helfenstein, Paul und Thomas, Peter und Veverka, Joe und Porco, Carolyn und Giese, Bernd und Wagner, Roland und Roatsch, Thomas und Denk, Tillmann und Neukum, Gerhard (2006) Surface Geology and Tectonism on Enceladus. AGU Fall Meeting 2006, 2006-12-11 - 2006-12-15, San Francisco. Planetengeologie Konferenzbeitrag NonPeerReviewed 2006 ftdlr 2024-04-25T00:08:50Z Enceladus is remarkable not only for its active water ice eruptions near the south pole, but also because its surface geology preserves a system of large-scale tectonic patterns that record past, as well as present centers of tectonic deformation. The currently active South Polar Terrain (SPT) geological province defines a characteristic tectonic style, geometry, and size scale: It is a crudely circular, kilometer-deep topographic depression that subtends ~70?? in arc and is bounded by a circumpolar chain of south facing arcuate scarps and kilometer-scale mountain belts. Nearer its center, ongoing water ice eruptions emanate from a series of ~200 km-long quasi-parallel rifts, called "tiger-stripes" that have an average spacing of 32 km. Surface locations of ancient, now inactive tectonic provinces similar to the SPT are recorded on the trailing side of Enceladus by the similar geological patterns, geometry, and size-scales of two other tectonically disrupted provinces; Sarandib Planitia (4?N, 298?W) and Diyar Planitia (0?N, 240?W). These regions may record the locations of ancient diapirs that have dissipated or perhaps the progressive migration of a single warm diapir to the south pole of Enceladus as suggested by Nimmo and Pappalardo (Nature 441, 614-616). Conference Object South pole German Aerospace Center: elib - DLR electronic library |
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German Aerospace Center: elib - DLR electronic library |
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unknown |
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Planetengeologie |
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Planetengeologie Helfenstein, Paul Thomas, Peter Veverka, Joe Porco, Carolyn Giese, Bernd Wagner, Roland Roatsch, Thomas Denk, Tillmann Neukum, Gerhard Surface Geology and Tectonism on Enceladus |
topic_facet |
Planetengeologie |
description |
Enceladus is remarkable not only for its active water ice eruptions near the south pole, but also because its surface geology preserves a system of large-scale tectonic patterns that record past, as well as present centers of tectonic deformation. The currently active South Polar Terrain (SPT) geological province defines a characteristic tectonic style, geometry, and size scale: It is a crudely circular, kilometer-deep topographic depression that subtends ~70?? in arc and is bounded by a circumpolar chain of south facing arcuate scarps and kilometer-scale mountain belts. Nearer its center, ongoing water ice eruptions emanate from a series of ~200 km-long quasi-parallel rifts, called "tiger-stripes" that have an average spacing of 32 km. Surface locations of ancient, now inactive tectonic provinces similar to the SPT are recorded on the trailing side of Enceladus by the similar geological patterns, geometry, and size-scales of two other tectonically disrupted provinces; Sarandib Planitia (4?N, 298?W) and Diyar Planitia (0?N, 240?W). These regions may record the locations of ancient diapirs that have dissipated or perhaps the progressive migration of a single warm diapir to the south pole of Enceladus as suggested by Nimmo and Pappalardo (Nature 441, 614-616). |
format |
Conference Object |
author |
Helfenstein, Paul Thomas, Peter Veverka, Joe Porco, Carolyn Giese, Bernd Wagner, Roland Roatsch, Thomas Denk, Tillmann Neukum, Gerhard |
author_facet |
Helfenstein, Paul Thomas, Peter Veverka, Joe Porco, Carolyn Giese, Bernd Wagner, Roland Roatsch, Thomas Denk, Tillmann Neukum, Gerhard |
author_sort |
Helfenstein, Paul |
title |
Surface Geology and Tectonism on Enceladus |
title_short |
Surface Geology and Tectonism on Enceladus |
title_full |
Surface Geology and Tectonism on Enceladus |
title_fullStr |
Surface Geology and Tectonism on Enceladus |
title_full_unstemmed |
Surface Geology and Tectonism on Enceladus |
title_sort |
surface geology and tectonism on enceladus |
publishDate |
2006 |
url |
https://elib.dlr.de/45798/ |
genre |
South pole |
genre_facet |
South pole |
op_relation |
Helfenstein, Paul und Thomas, Peter und Veverka, Joe und Porco, Carolyn und Giese, Bernd und Wagner, Roland und Roatsch, Thomas und Denk, Tillmann und Neukum, Gerhard (2006) Surface Geology and Tectonism on Enceladus. AGU Fall Meeting 2006, 2006-12-11 - 2006-12-15, San Francisco. |
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1799466915986407424 |