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Geochemical characteristics of central Chile (33 °-34 °S) granitoids

Authordc.contributor.authorLópez -Escobar, Leopoldo 
Authordc.contributor.authorFrey, Frederick A. 
Authordc.contributor.authorOyarzún, Jorge 
Admission datedc.date.accessioned2018-12-20T15:04:46Z
Available datedc.date.available2018-12-20T15:04:46Z
Publication datedc.date.issued1979
Cita de ítemdc.identifier.citationContributions to Mineralogy and Petrology, Volumen 70, Issue 4, 2018, Pages 439-450
Identifierdc.identifier.issn00107999
Identifierdc.identifier.issn14320967
Identifierdc.identifier.other10.1007/BF00371050
Identifierdc.identifier.urihttp://repositorio.uchile.cl/handle/2250/157628
Abstractdc.description.abstractSeventeen granitoid samples from batholiths in central Chile (33 °-34 ° S) have been analyzed for trace element content. The samples range in age from Paleozoic to Tertiary, and in rock type from quartz diorite to granite. In general, compared to andesites from central-south Chile these rocks are more siliceous with lower abundances of compatible trace elements and higher abundances of incompatible trace elements. However, Upper Tertiary granodiorites have important geochemical similarities, such as highly fractionated rare-earth element (REE) distributions relative to chondrites, to some modern andesites in this region; e.g., Marmolejo. Similar highly fractionated REE distributions are also common in the cores of zoned intrusive sequences in the Sierra Nevada of the western U.S. Based on limited sampling of central Chile Cretaceous and Tertiary plutonics, there may be a west to east increase in light REE/heavy REE ratio and in Sr content. Compared to the Upper Tertiary granodiorites,
Lenguagedc.language.isoen
Publisherdc.publisherSpringer-Verlag
Type of licensedc.rightsAttribution-NonCommercial-NoDerivs 3.0 Chile
Link to Licensedc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/cl/
Sourcedc.sourceContributions to Mineralogy and Petrology
Keywordsdc.subjectGeophysics
Keywordsdc.subjectGeochemistry and Petrology
Títulodc.titleGeochemical characteristics of central Chile (33 °-34 °S) granitoids
Document typedc.typeArtículo de revista
Catalogueruchile.catalogadorSCOPUS
Indexationuchile.indexArtículo de publicación SCOPUS
uchile.cosechauchile.cosechaSI


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Except where otherwise noted, this item's license is described as Attribution-NonCommercial-NoDerivs 3.0 Chile