978 resultados para 64-478


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En la historia de la interpretación del carmen 64 de Catulo pueden observarse algunas constantes, que tienen que ver principalmente con discusiones acerca del género, la estructura, la unidad y diversidad del poema. En este artículo se retoman diversas propuestas de acuerdo con estos ejes, revisando ciertas consideraciones y preguntándose una vez más por su sentido. La elección de los personajes, por ejemplo, y las alteraciones deliberadas en los detalles de la historia respecto de la tradición, al tiempo que desorientan y siembran la duda, revelan la compleja dimensión axiológica del texto, que parece involucrarnos más de lo esperado

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Tabla de contenidos: Palabras preliminares / Lía Galán. El Carmen 64. Una interpretación / Lía Galán. Los mitos en el Carmen 64. Apéndice. El problema de los manuscritos. Carmen 64. Texto latino y traducción.

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Preliminary analyses of 56 samples from the upper 49 meters of Hole 480 (Cores 1-11) show marked changes in pollen frequencies and concentrations. The largely varved cores (1, 2, 3, 10, and 11) are characterized by low concentrations and pollen types such as Gramineae, Low-spine Compositae and Cheno/Ams. The largely homogeneous section (Cores 3 through 10) contains higher pollen concentrations and is dominated by TCT (probably Juniperus) and Artemisia. Picea pollen is also present in this section. The record as a whole is thought to represent most of the last glacial cycle.

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We analyzed 580 integrated scrape-samples from HPC Site 480 for organic and carbonate carbon. Once precise dating is available, these will provide a high-resolution framework for understanding late Quaternary Oceanographic and climatic fluctuations in this region. Organic carbon ranges mostly within a narrow band of 1.8 to 3.5% C. Calcium carbonate varies from undetectable to over 20%, with an average of only about 5%. Source of carbonate are mostly benthic and planktonic foraminifers, although some sections are dominated by diagenetic carbonate, shelly hash, or nannofossils. Detrital sources are low in carbonate. We divided the sequence into 17 calcium carbonate (CC) zones to separate pulses, low and median values. The CC-Zones show various second-order patterns of cyclicity, asymmetry, and events. Laminated zones have lowest uniform values, but a perfect correlation between carbonate content and homogeneous or laminated facies was not found. Maximum values tend to be located near the transition of these two sediment types, showing that accumulation of carbonate is favored during times of breakdown of stable Oceanographic conditions.