acquired by Russia, Norway and Australia has been used to investigate the depositional evolution of the Cosmonaut Sea margin of East Antarctica. We recognize a regional sediment wedge below the upper part of the continental rise. The wedge, herein termed the Cosmonaut Sea Wedge, is positioned strati...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.535.4178 2023-05-15T13:59:04+02:00 The Cosmonaut Sea Wedge The Pennsylvania State University CiteSeerX Archives application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.535.4178 http://pubs.usgs.gov/of/2007/1047/srp/srp009/of2007-1047srp009.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.535.4178 http://pubs.usgs.gov/of/2007/1047/srp/srp009/of2007-1047srp009.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://pubs.usgs.gov/of/2007/1047/srp/srp009/of2007-1047srp009.pdf text ftciteseerx 2016-01-08T10:47:43Z acquired by Russia, Norway and Australia has been used to investigate the depositional evolution of the Cosmonaut Sea margin of East Antarctica. We recognize a regional sediment wedge below the upper part of the continental rise. The wedge, herein termed the Cosmonaut Sea Wedge, is positioned stratigraphically underneath the inferred glaciomarine section and extends for at least 1200 km along the continental margin and from 80 to about 250 km seaward or to the north. Lateral variations in the growth pattern of the wedge indicate several overlapping depocentres, which at their distal northern end are flanked by elongated mounded drifts and contourite sheets. The internal stratification of the mounded drift deposits suggests that westward flowing bottom currents reworked the marginal deposits. The action of these currents together with sea-level changes is considered to have controlled the growth of the wedge. We interpret the Cosmonaut Sea Wedge as a composite feature comprising several bottom current reworked fan systems. Text Antarc* Antarctica Cosmonaut sea East Antarctica Unknown East Antarctica Norway |
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Open Polar |
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Unknown |
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ftciteseerx |
language |
English |
description |
acquired by Russia, Norway and Australia has been used to investigate the depositional evolution of the Cosmonaut Sea margin of East Antarctica. We recognize a regional sediment wedge below the upper part of the continental rise. The wedge, herein termed the Cosmonaut Sea Wedge, is positioned stratigraphically underneath the inferred glaciomarine section and extends for at least 1200 km along the continental margin and from 80 to about 250 km seaward or to the north. Lateral variations in the growth pattern of the wedge indicate several overlapping depocentres, which at their distal northern end are flanked by elongated mounded drifts and contourite sheets. The internal stratification of the mounded drift deposits suggests that westward flowing bottom currents reworked the marginal deposits. The action of these currents together with sea-level changes is considered to have controlled the growth of the wedge. We interpret the Cosmonaut Sea Wedge as a composite feature comprising several bottom current reworked fan systems. |
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The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
The Cosmonaut Sea Wedge |
spellingShingle |
The Cosmonaut Sea Wedge |
author_facet |
The Cosmonaut Sea Wedge |
author_sort |
The Cosmonaut |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.535.4178 http://pubs.usgs.gov/of/2007/1047/srp/srp009/of2007-1047srp009.pdf |
geographic |
East Antarctica Norway |
geographic_facet |
East Antarctica Norway |
genre |
Antarc* Antarctica Cosmonaut sea East Antarctica |
genre_facet |
Antarc* Antarctica Cosmonaut sea East Antarctica |
op_source |
http://pubs.usgs.gov/of/2007/1047/srp/srp009/of2007-1047srp009.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.535.4178 http://pubs.usgs.gov/of/2007/1047/srp/srp009/of2007-1047srp009.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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1766267437103185920 |