NDLI: Implicaciones paleoambientales deducidas del estudio geoquímico del tránsito Mioceno-Plioceno en la cuenca de Sorbas (Almeria)

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Implicaciones paleoambientales deducidas del estudio geoquímico del tránsito Mioceno-Plioceno en la cuenca de Sorbas (Almeria)

Content Provider	Semantic Scholar
Author	Bellón, A. Sánchez Cardona, Padierna Mosser, Ch. Roquin, Claude Pardo, Eduardo M. Sebastián
Copyright Year	1995
Abstract	The geochemistry of the < 2 µm fractions of the Mio-Pliocene sediments and the bulk sample of the surrounding metamorphic rocks was studied in arder to characterize the geochemical environment during the sedimentation and to trace the influence of the surrounding rocks on the sediments. After making the relationships among the chemical elements and the minerals or the rocks by Principal Component Analysis (PCA), it has been carried out a Hierarchical Ascending Classification (HAC) which regroups the samples with similar geochemical characteristics into 8 classes. Graphical comparison of mean geochemical composition among HAC groups provides a better identification of inherited similarities between sorne sediments and the metapellitic rocks in the eastern Betic Cordilleras. Gneises, carbonated and metabasic rocks influence is inexistent or very located. Finally B and MgO contents have allowed us to distinguish different types of deposit environments with a higher or lower degree of confinement and with influence of sea-ar continental waters.
Starting Page	129
Ending Page	140
Page Count	12
File Format	PDF HTM / HTML
DOI	10.3989/egeol.95513-4291
Volume Number	51
Alternate Webpage(s)	http://estudiosgeol.revistas.csic.es/index.php/estudiosgeol/article/download/291/294
Alternate Webpage(s)	https://doi.org/10.3989/egeol.95513-4291
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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