Sedimentology of the Rio Grande Rise area, supplement to: Gingele, Franz; Schmieder, Frank; von Dobeneck, Tilo; Petschick, Rainer; Rühlemann, Carsten (1999): Terrigenous flux in the Rio Grande Rise area during the last 1.5 Ma: evidence of deepwater advection or rapid response to continental rainfall patterns. Paleoceanography, 14(1), 84-95
Surface sediment samples and three gravity cores from the eastern terrace of the Vema Channel, the western flank of the Rio Grande Rise, and the Brazilian continental slope were investigated for physical properties, grain size, and clay mineral composition. Discharge of the Rio Doce is responsible f...
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1999
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ftdatacite:10.1594/pangaea.730524 2023-05-15T17:25:25+02:00 Sedimentology of the Rio Grande Rise area, supplement to: Gingele, Franz; Schmieder, Frank; von Dobeneck, Tilo; Petschick, Rainer; Rühlemann, Carsten (1999): Terrigenous flux in the Rio Grande Rise area during the last 1.5 Ma: evidence of deepwater advection or rapid response to continental rainfall patterns. Paleoceanography, 14(1), 84-95 Gingele, Franz Schmieder, Frank von Dobeneck, Tilo Petschick, Rainer Rühlemann, Carsten 1999 application/zip https://dx.doi.org/10.1594/pangaea.730524 https://doi.pangaea.de/10.1594/PANGAEA.730524 en eng PANGAEA - Data Publisher for Earth & Environmental Science https://dx.doi.org/10.1029/1998pa900012 Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 CC-BY Gravity corer Kiel type M23/2 M29/2 Meteor 1986 Geosciences, University of Bremen GeoB Collection article Supplementary Collection of Datasets 1999 ftdatacite https://doi.org/10.1594/pangaea.730524 https://doi.org/10.1029/1998pa900012 2021-11-05T12:55:41Z Surface sediment samples and three gravity cores from the eastern terrace of the Vema Channel, the western flank of the Rio Grande Rise, and the Brazilian continental slope were investigated for physical properties, grain size, and clay mineral composition. Discharge of the Rio Doce is responsible for kaolinite enrichments on the slope south of 20° and at intermediate depths of the Rio Grande Rise. The long-distance advection of kaolinite with North Atlantic Deep Water from lower latitudes is of minor importance as evidenced by low kaolinite/chlorite ratios on the Mid-Atlantic Ridge. Cyclic variations of kaolinite/chlorite ratios in all our cores, with maxima in interglacials, are attributed to low-and high-latitude forcing of paleoclimate on the Brazilian mainland and the related discharge of the Rio Doce. A long-term trend toward more arid and 'glacial' conditions from 1500 ka to present is superimposed on the glacial-interglacial cyclicity. Article in Journal/Newspaper North Atlantic Deep Water North Atlantic DataCite Metadata Store (German National Library of Science and Technology) Mid-Atlantic Ridge |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
topic |
Gravity corer Kiel type M23/2 M29/2 Meteor 1986 Geosciences, University of Bremen GeoB |
spellingShingle |
Gravity corer Kiel type M23/2 M29/2 Meteor 1986 Geosciences, University of Bremen GeoB Gingele, Franz Schmieder, Frank von Dobeneck, Tilo Petschick, Rainer Rühlemann, Carsten Sedimentology of the Rio Grande Rise area, supplement to: Gingele, Franz; Schmieder, Frank; von Dobeneck, Tilo; Petschick, Rainer; Rühlemann, Carsten (1999): Terrigenous flux in the Rio Grande Rise area during the last 1.5 Ma: evidence of deepwater advection or rapid response to continental rainfall patterns. Paleoceanography, 14(1), 84-95 |
topic_facet |
Gravity corer Kiel type M23/2 M29/2 Meteor 1986 Geosciences, University of Bremen GeoB |
description |
Surface sediment samples and three gravity cores from the eastern terrace of the Vema Channel, the western flank of the Rio Grande Rise, and the Brazilian continental slope were investigated for physical properties, grain size, and clay mineral composition. Discharge of the Rio Doce is responsible for kaolinite enrichments on the slope south of 20° and at intermediate depths of the Rio Grande Rise. The long-distance advection of kaolinite with North Atlantic Deep Water from lower latitudes is of minor importance as evidenced by low kaolinite/chlorite ratios on the Mid-Atlantic Ridge. Cyclic variations of kaolinite/chlorite ratios in all our cores, with maxima in interglacials, are attributed to low-and high-latitude forcing of paleoclimate on the Brazilian mainland and the related discharge of the Rio Doce. A long-term trend toward more arid and 'glacial' conditions from 1500 ka to present is superimposed on the glacial-interglacial cyclicity. |
format |
Article in Journal/Newspaper |
author |
Gingele, Franz Schmieder, Frank von Dobeneck, Tilo Petschick, Rainer Rühlemann, Carsten |
author_facet |
Gingele, Franz Schmieder, Frank von Dobeneck, Tilo Petschick, Rainer Rühlemann, Carsten |
author_sort |
Gingele, Franz |
title |
Sedimentology of the Rio Grande Rise area, supplement to: Gingele, Franz; Schmieder, Frank; von Dobeneck, Tilo; Petschick, Rainer; Rühlemann, Carsten (1999): Terrigenous flux in the Rio Grande Rise area during the last 1.5 Ma: evidence of deepwater advection or rapid response to continental rainfall patterns. Paleoceanography, 14(1), 84-95 |
title_short |
Sedimentology of the Rio Grande Rise area, supplement to: Gingele, Franz; Schmieder, Frank; von Dobeneck, Tilo; Petschick, Rainer; Rühlemann, Carsten (1999): Terrigenous flux in the Rio Grande Rise area during the last 1.5 Ma: evidence of deepwater advection or rapid response to continental rainfall patterns. Paleoceanography, 14(1), 84-95 |
title_full |
Sedimentology of the Rio Grande Rise area, supplement to: Gingele, Franz; Schmieder, Frank; von Dobeneck, Tilo; Petschick, Rainer; Rühlemann, Carsten (1999): Terrigenous flux in the Rio Grande Rise area during the last 1.5 Ma: evidence of deepwater advection or rapid response to continental rainfall patterns. Paleoceanography, 14(1), 84-95 |
title_fullStr |
Sedimentology of the Rio Grande Rise area, supplement to: Gingele, Franz; Schmieder, Frank; von Dobeneck, Tilo; Petschick, Rainer; Rühlemann, Carsten (1999): Terrigenous flux in the Rio Grande Rise area during the last 1.5 Ma: evidence of deepwater advection or rapid response to continental rainfall patterns. Paleoceanography, 14(1), 84-95 |
title_full_unstemmed |
Sedimentology of the Rio Grande Rise area, supplement to: Gingele, Franz; Schmieder, Frank; von Dobeneck, Tilo; Petschick, Rainer; Rühlemann, Carsten (1999): Terrigenous flux in the Rio Grande Rise area during the last 1.5 Ma: evidence of deepwater advection or rapid response to continental rainfall patterns. Paleoceanography, 14(1), 84-95 |
title_sort |
sedimentology of the rio grande rise area, supplement to: gingele, franz; schmieder, frank; von dobeneck, tilo; petschick, rainer; rühlemann, carsten (1999): terrigenous flux in the rio grande rise area during the last 1.5 ma: evidence of deepwater advection or rapid response to continental rainfall patterns. paleoceanography, 14(1), 84-95 |
publisher |
PANGAEA - Data Publisher for Earth & Environmental Science |
publishDate |
1999 |
url |
https://dx.doi.org/10.1594/pangaea.730524 https://doi.pangaea.de/10.1594/PANGAEA.730524 |
geographic |
Mid-Atlantic Ridge |
geographic_facet |
Mid-Atlantic Ridge |
genre |
North Atlantic Deep Water North Atlantic |
genre_facet |
North Atlantic Deep Water North Atlantic |
op_relation |
https://dx.doi.org/10.1029/1998pa900012 |
op_rights |
Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/pangaea.730524 https://doi.org/10.1029/1998pa900012 |
_version_ |
1766116845253820416 |