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3.259  Articles
1 of 327 pages  |  10  records  |  more records»
The Upper Cretaceous nonmarine deposits of the Neuquén Basin have an important regional exposure. These deposits are included in the Neuquén Group, a well-studied unit in both the south and central part of the basin. However, the northernmost exposed betw... see more

New sedimentological and fossil-diagenetic information from remains of four dinosaurs is herein provided. The fossil material was preserved in deposits of different fluvial sub-environments from the middle section of the Lago Colhué Huapi Formation, Golfo... see more

The consideration of quartzite as a secondary raw material has relegated in-depth research of this raw material in favour of such other rocks as flint or obsidian. The latter two are the most researched raw materials because of the information derived fro... see more

The area involved by the triple junction between the South American, Nazca and Antarctic plates activity was affected by Quaternary glaciations. Before 12,800 yrs BP an extended ice field occupied the top of the Patagonian Andes, irradiating glaciers towa... see more

Dynamic interactions of hydrological and geomorphological processes in the fluvial system result in accumulated deposit on the bed because the capacity to carry sediment has been exceeded. The bed load of the Aceh fluvial system is primarily generated by ... see more

This paper presents the results related to the ecotoxicological assessment associated with metal pollution in fluvial deposits from a segment of the Gualaxo do Norte River, which was impacted by the collapse of the Fundão dam under the responsibility of t... see more

The Paleogene terrestrial faunal succession and its associated bearing volcaniclastic deposits has been exhaustively studied in central Patagonia, but there is still no acceptable litho-bio-chronostratigraphic ordering for the extra-Andean North Patagonia... see more

The Huarenchenque Formation is a volcano sedimentary unit deposited to the east of the Plio-Quaternary Andean Magmatic Arc. In order to define depositional settings, two lithofacies associations (fluvial and pyroclastic) were defined. The fluvial facies a... see more

This paper proposes a classification of gravel deposits in the upper Paraná River Basin based on their genesis, sedimentary facies and depositional processes. They were classified in four types: a) Upper slope oligomictic gravel (Fine and coarse-sand asso... see more

1 of 327 pages  |  10  records  |  more records»