Discovery ofpeperites on Marambio Island, Antarctica, with considerations of their emplacement
The finding of peperite breccias on Marambio Island allows to confirm the existence of at least two different pulses in the instrusion of basaltic dykes within the James Ross Island Volcanic Group. Two important bodies of peperites were recognized at Filo Negro and Geoantar hill. They were formed by...
Main Authors: | , |
---|---|
Format: | Article in Journal/Newspaper |
Language: | unknown |
Published: |
1997
|
Subjects: | |
Online Access: | https://hdl.handle.net/20.500.12110/paper_00044822_v52_n3_p400_Caselli http://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=artiaex&d=paper_00044822_v52_n3_p400_Caselli_oai |
id |
ftunbuenosairrdi:oai:RDI UBA:artiaex:paper_00044822_v52_n3_p400_Caselli_oai |
---|---|
record_format |
openpolar |
spelling |
ftunbuenosairrdi:oai:RDI UBA:artiaex:paper_00044822_v52_n3_p400_Caselli_oai 2023-05-15T13:54:03+02:00 Discovery ofpeperites on Marambio Island, Antarctica, with considerations of their emplacement Caselli, A.T. Massaferro, G.L. 1997 application/pdf https://hdl.handle.net/20.500.12110/paper_00044822_v52_n3_p400_Caselli http://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=artiaex&d=paper_00044822_v52_n3_p400_Caselli_oai unknown http://hdl.handle.net/20.500.12110/paper_00044822_v52_n3_p400_Caselli http://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=artiaex&d=paper_00044822_v52_n3_p400_Caselli_oai info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar CC-BY Rev. Asoc. Geol. Argent. 1997;52(3):400-404 basalt breccia dike Argentina info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion 1997 ftunbuenosairrdi https://doi.org/20.500.12110/paper_00044822_v52_n3_p400_Caselli 2020-10-22T00:10:07Z The finding of peperite breccias on Marambio Island allows to confirm the existence of at least two different pulses in the instrusion of basaltic dykes within the James Ross Island Volcanic Group. Two important bodies of peperites were recognized at Filo Negro and Geoantar hill. They were formed by the intrusion of basaltic dykes in the unconsolidated Paleogene sediments of Sobral Formation. The breccias are composed of vesicular glassy fragments, and volcanic and sedimentary lithic constituents in a sand matrix. The intrusions were probably emplaced at very shallow depth and are possibly related to a younger volcanic pulse, dated at 1.3 Ma. © 1997 Asociaciôn Geolôgica Argentina. Fil:Caselli, A.T. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Massaferro, G.L. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Article in Journal/Newspaper Antarc* Antarctica James Ross Island Ross Island Repositorio Digital Institucional - Universidad de Buenos Aires (RDI UBA) Argentina Marambio ENVELOPE(-56.750,-56.750,-64.283,-64.283) Ross Island Sobral ENVELOPE(-40.650,-40.650,-81.083,-81.083) |
institution |
Open Polar |
collection |
Repositorio Digital Institucional - Universidad de Buenos Aires (RDI UBA) |
op_collection_id |
ftunbuenosairrdi |
language |
unknown |
topic |
basalt breccia dike Argentina |
spellingShingle |
basalt breccia dike Argentina Caselli, A.T. Massaferro, G.L. Discovery ofpeperites on Marambio Island, Antarctica, with considerations of their emplacement |
topic_facet |
basalt breccia dike Argentina |
description |
The finding of peperite breccias on Marambio Island allows to confirm the existence of at least two different pulses in the instrusion of basaltic dykes within the James Ross Island Volcanic Group. Two important bodies of peperites were recognized at Filo Negro and Geoantar hill. They were formed by the intrusion of basaltic dykes in the unconsolidated Paleogene sediments of Sobral Formation. The breccias are composed of vesicular glassy fragments, and volcanic and sedimentary lithic constituents in a sand matrix. The intrusions were probably emplaced at very shallow depth and are possibly related to a younger volcanic pulse, dated at 1.3 Ma. © 1997 Asociaciôn Geolôgica Argentina. Fil:Caselli, A.T. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Massaferro, G.L. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. |
format |
Article in Journal/Newspaper |
author |
Caselli, A.T. Massaferro, G.L. |
author_facet |
Caselli, A.T. Massaferro, G.L. |
author_sort |
Caselli, A.T. |
title |
Discovery ofpeperites on Marambio Island, Antarctica, with considerations of their emplacement |
title_short |
Discovery ofpeperites on Marambio Island, Antarctica, with considerations of their emplacement |
title_full |
Discovery ofpeperites on Marambio Island, Antarctica, with considerations of their emplacement |
title_fullStr |
Discovery ofpeperites on Marambio Island, Antarctica, with considerations of their emplacement |
title_full_unstemmed |
Discovery ofpeperites on Marambio Island, Antarctica, with considerations of their emplacement |
title_sort |
discovery ofpeperites on marambio island, antarctica, with considerations of their emplacement |
publishDate |
1997 |
url |
https://hdl.handle.net/20.500.12110/paper_00044822_v52_n3_p400_Caselli http://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=artiaex&d=paper_00044822_v52_n3_p400_Caselli_oai |
long_lat |
ENVELOPE(-56.750,-56.750,-64.283,-64.283) ENVELOPE(-40.650,-40.650,-81.083,-81.083) |
geographic |
Argentina Marambio Ross Island Sobral |
geographic_facet |
Argentina Marambio Ross Island Sobral |
genre |
Antarc* Antarctica James Ross Island Ross Island |
genre_facet |
Antarc* Antarctica James Ross Island Ross Island |
op_source |
Rev. Asoc. Geol. Argent. 1997;52(3):400-404 |
op_relation |
http://hdl.handle.net/20.500.12110/paper_00044822_v52_n3_p400_Caselli http://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=artiaex&d=paper_00044822_v52_n3_p400_Caselli_oai |
op_rights |
info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/20.500.12110/paper_00044822_v52_n3_p400_Caselli |
_version_ |
1766259558114656256 |