GEBRA-MAGIA Complex. Recent Mass-transport processes affecting the central Bransfield basin (Antarctica)
IX Congreso Geológico de España, 12-14 septiembre 2016, Huelva.-- 4 pages, 4 figures [EN] The GEBRA-MAGIA complex is an important example of submarine mass-movement located in the lower continental slope of the the Central Bransfield Basin (CBB) in the Antarctic Peninsula. Based on the identificatio...
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ftcsic:oai:digital.csic.es:10261/160177 2023-05-15T13:55:11+02:00 GEBRA-MAGIA Complex. Recent Mass-transport processes affecting the central Bransfield basin (Antarctica) GEBRA-MAGIA Complex. Procesos de inestabilidad sedimentaria reciente en la Cuenca de Bransfield (Antártida) Casas, David García, Marga Bohoyo, Fernando Maldonado, Andrés Ercilla, Gemma 2016 http://hdl.handle.net/10261/160177 unknown Sociedad Geológica de España #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CTM2015-65461-C2-2-R https://sge.usal.es/archivos/GEO_TEMAS/Geo_temas16_ss_simposios.pdf Sí issn: 1576-5172 Geotemas 16(2): 291-294 (2016) http://hdl.handle.net/10261/160177 none Morphosedimentary features Antarctic Peninsula Submarine mass movements Península Antártica Características morfosedimentarias Inestabilidades submarinas comunicación de congreso http://purl.org/coar/resource_type/c_5794 2016 ftcsic 2022-09-27T23:39:30Z IX Congreso Geológico de España, 12-14 septiembre 2016, Huelva.-- 4 pages, 4 figures [EN] The GEBRA-MAGIA complex is an important example of submarine mass-movement located in the lower continental slope of the the Central Bransfield Basin (CBB) in the Antarctic Peninsula. Based on the identification of the main features, repeated slope failures are inferred to have affected the area configuring the GEBRA-MAGIA complex. It is therefore classified as a mass-movement composite that has contributed to the outbuilding of the lower continental slope by merging different mass-transport deposits. This complex is composed of the GEBRA valley to the east and an irregular area to the west (MAGIA area) where numerous instability features affect the seafloor. The GEBRA valley has been defined as a Quaternary Debris valley formed as a result of repeated large-scale mass transport processes. This evolution has determined its striking relief and the architecture of this part of the continental slope. Although sedimentary instabilities are also the main processes, in the case of the adjacent area of MAGIA, the resulting sedimentary architecture and morphology are completely different. The new data recorded in the poorly known area of MAGIA allowed defining the occurrence of flows intercalated with mass transport of diverse magnitude as the main recent processes along the whole GEBRAMAGIA complex [ES] El complejo GEBRA-MAGIA es un significativo ejemplo de procesos de inestabilidad sedimentaria submarina que se localiza en el talud continental inferior de la Península Antártica, en la Cuenca de Bransfield central (CBB). La identificación de sus principales características morfosedimentarias, permite inferir que el complejo GEBRA-MAGIA ha sido configurado por la combinación de diferentes depósitos de transporte en masa que se han repetido a través del tiempo contribuyendo a la evolución del talud continental. El valle GEBRA se ha definido como un valle Cuaternario formado como resultado de repetidos procesos de inestabilidad a ... Conference Object Antarc* Antarctic Antarctic Peninsula Antarctica Antártica Antártida Digital.CSIC (Spanish National Research Council) Antarctic Antarctic Peninsula The Antarctic |
institution |
Open Polar |
collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
unknown |
topic |
Morphosedimentary features Antarctic Peninsula Submarine mass movements Península Antártica Características morfosedimentarias Inestabilidades submarinas |
spellingShingle |
Morphosedimentary features Antarctic Peninsula Submarine mass movements Península Antártica Características morfosedimentarias Inestabilidades submarinas Casas, David García, Marga Bohoyo, Fernando Maldonado, Andrés Ercilla, Gemma GEBRA-MAGIA Complex. Recent Mass-transport processes affecting the central Bransfield basin (Antarctica) |
topic_facet |
Morphosedimentary features Antarctic Peninsula Submarine mass movements Península Antártica Características morfosedimentarias Inestabilidades submarinas |
description |
IX Congreso Geológico de España, 12-14 septiembre 2016, Huelva.-- 4 pages, 4 figures [EN] The GEBRA-MAGIA complex is an important example of submarine mass-movement located in the lower continental slope of the the Central Bransfield Basin (CBB) in the Antarctic Peninsula. Based on the identification of the main features, repeated slope failures are inferred to have affected the area configuring the GEBRA-MAGIA complex. It is therefore classified as a mass-movement composite that has contributed to the outbuilding of the lower continental slope by merging different mass-transport deposits. This complex is composed of the GEBRA valley to the east and an irregular area to the west (MAGIA area) where numerous instability features affect the seafloor. The GEBRA valley has been defined as a Quaternary Debris valley formed as a result of repeated large-scale mass transport processes. This evolution has determined its striking relief and the architecture of this part of the continental slope. Although sedimentary instabilities are also the main processes, in the case of the adjacent area of MAGIA, the resulting sedimentary architecture and morphology are completely different. The new data recorded in the poorly known area of MAGIA allowed defining the occurrence of flows intercalated with mass transport of diverse magnitude as the main recent processes along the whole GEBRAMAGIA complex [ES] El complejo GEBRA-MAGIA es un significativo ejemplo de procesos de inestabilidad sedimentaria submarina que se localiza en el talud continental inferior de la Península Antártica, en la Cuenca de Bransfield central (CBB). La identificación de sus principales características morfosedimentarias, permite inferir que el complejo GEBRA-MAGIA ha sido configurado por la combinación de diferentes depósitos de transporte en masa que se han repetido a través del tiempo contribuyendo a la evolución del talud continental. El valle GEBRA se ha definido como un valle Cuaternario formado como resultado de repetidos procesos de inestabilidad a ... |
format |
Conference Object |
author |
Casas, David García, Marga Bohoyo, Fernando Maldonado, Andrés Ercilla, Gemma |
author_facet |
Casas, David García, Marga Bohoyo, Fernando Maldonado, Andrés Ercilla, Gemma |
author_sort |
Casas, David |
title |
GEBRA-MAGIA Complex. Recent Mass-transport processes affecting the central Bransfield basin (Antarctica) |
title_short |
GEBRA-MAGIA Complex. Recent Mass-transport processes affecting the central Bransfield basin (Antarctica) |
title_full |
GEBRA-MAGIA Complex. Recent Mass-transport processes affecting the central Bransfield basin (Antarctica) |
title_fullStr |
GEBRA-MAGIA Complex. Recent Mass-transport processes affecting the central Bransfield basin (Antarctica) |
title_full_unstemmed |
GEBRA-MAGIA Complex. Recent Mass-transport processes affecting the central Bransfield basin (Antarctica) |
title_sort |
gebra-magia complex. recent mass-transport processes affecting the central bransfield basin (antarctica) |
publisher |
Sociedad Geológica de España |
publishDate |
2016 |
url |
http://hdl.handle.net/10261/160177 |
geographic |
Antarctic Antarctic Peninsula The Antarctic |
geographic_facet |
Antarctic Antarctic Peninsula The Antarctic |
genre |
Antarc* Antarctic Antarctic Peninsula Antarctica Antártica Antártida |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Antarctica Antártica Antártida |
op_relation |
#PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CTM2015-65461-C2-2-R https://sge.usal.es/archivos/GEO_TEMAS/Geo_temas16_ss_simposios.pdf Sí issn: 1576-5172 Geotemas 16(2): 291-294 (2016) http://hdl.handle.net/10261/160177 |
op_rights |
none |
_version_ |
1766261476275781632 |