On the intriguing subject of the small amplitudes of magnetic anomalies at the Powell Basin (Antarctica) ...
<!--!introduction!--> The Powell Basin is a small oceanic basin bounded by continental blocks that fragmented during drifting of South America from Antarctica. The basin is limited to the east by the South Orkney Microcontinent, to the north by the South Scotia Ridge, and to the west by the An...
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ftdatacite:10.57757/iugg23-0558 2023-06-11T04:07:12+02:00 On the intriguing subject of the small amplitudes of magnetic anomalies at the Powell Basin (Antarctica) ... Catalán, Manuel Negrete-Aranda, Raquel Martos, Yasmina M. Neumann, Florian Santamaría, Alberto Fuentes-Bustillo, Karina 2023 https://dx.doi.org/10.57757/iugg23-0558 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5016915 unknown GFZ German Research Centre for Geosciences Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 ConferencePaper Oral Article 2023 ftdatacite https://doi.org/10.57757/iugg23-0558 2023-06-01T11:23:59Z <!--!introduction!--> The Powell Basin is a small oceanic basin bounded by continental blocks that fragmented during drifting of South America from Antarctica. The basin is limited to the east by the South Orkney Microcontinent, to the north by the South Scotia Ridge, and to the west by the Antarctic Peninsula. The timing of its opening is poorly constrained due to low amplitude magnetic anomalies which hampers their identification and cause large uncertainties in proposed ages that range from the Late Eocene to Early Miocene. The Powell basin has been extensively studied using a variety of geophysical methods including seismic, gravity and magnetic surveys intended to unveil the tectonic domains. The magnetic anomalies and the thermal regime of the basin are of particular interest, as some of these studies have suggested that the absence of clear seafloor magnetic anomalies is the result of impermeable layers that prevent the venting of hot fluids into the water column. Using new magnetic and heat ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... Conference Object Antarc* Antarctic Antarctic Peninsula Antarctica DataCite Metadata Store (German National Library of Science and Technology) Antarctic Antarctic Peninsula Powell Basin ENVELOPE(-49.500,-49.500,-62.250,-62.250) South Scotia Ridge ENVELOPE(-46.500,-46.500,-60.000,-60.000) The Antarctic |
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DataCite Metadata Store (German National Library of Science and Technology) |
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description |
<!--!introduction!--> The Powell Basin is a small oceanic basin bounded by continental blocks that fragmented during drifting of South America from Antarctica. The basin is limited to the east by the South Orkney Microcontinent, to the north by the South Scotia Ridge, and to the west by the Antarctic Peninsula. The timing of its opening is poorly constrained due to low amplitude magnetic anomalies which hampers their identification and cause large uncertainties in proposed ages that range from the Late Eocene to Early Miocene. The Powell basin has been extensively studied using a variety of geophysical methods including seismic, gravity and magnetic surveys intended to unveil the tectonic domains. The magnetic anomalies and the thermal regime of the basin are of particular interest, as some of these studies have suggested that the absence of clear seafloor magnetic anomalies is the result of impermeable layers that prevent the venting of hot fluids into the water column. Using new magnetic and heat ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... |
format |
Conference Object |
author |
Catalán, Manuel Negrete-Aranda, Raquel Martos, Yasmina M. Neumann, Florian Santamaría, Alberto Fuentes-Bustillo, Karina |
spellingShingle |
Catalán, Manuel Negrete-Aranda, Raquel Martos, Yasmina M. Neumann, Florian Santamaría, Alberto Fuentes-Bustillo, Karina On the intriguing subject of the small amplitudes of magnetic anomalies at the Powell Basin (Antarctica) ... |
author_facet |
Catalán, Manuel Negrete-Aranda, Raquel Martos, Yasmina M. Neumann, Florian Santamaría, Alberto Fuentes-Bustillo, Karina |
author_sort |
Catalán, Manuel |
title |
On the intriguing subject of the small amplitudes of magnetic anomalies at the Powell Basin (Antarctica) ... |
title_short |
On the intriguing subject of the small amplitudes of magnetic anomalies at the Powell Basin (Antarctica) ... |
title_full |
On the intriguing subject of the small amplitudes of magnetic anomalies at the Powell Basin (Antarctica) ... |
title_fullStr |
On the intriguing subject of the small amplitudes of magnetic anomalies at the Powell Basin (Antarctica) ... |
title_full_unstemmed |
On the intriguing subject of the small amplitudes of magnetic anomalies at the Powell Basin (Antarctica) ... |
title_sort |
on the intriguing subject of the small amplitudes of magnetic anomalies at the powell basin (antarctica) ... |
publisher |
GFZ German Research Centre for Geosciences |
publishDate |
2023 |
url |
https://dx.doi.org/10.57757/iugg23-0558 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5016915 |
long_lat |
ENVELOPE(-49.500,-49.500,-62.250,-62.250) ENVELOPE(-46.500,-46.500,-60.000,-60.000) |
geographic |
Antarctic Antarctic Peninsula Powell Basin South Scotia Ridge The Antarctic |
geographic_facet |
Antarctic Antarctic Peninsula Powell Basin South Scotia Ridge The Antarctic |
genre |
Antarc* Antarctic Antarctic Peninsula Antarctica |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Antarctica |
op_rights |
Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_doi |
https://doi.org/10.57757/iugg23-0558 |
_version_ |
1768380109265305600 |