Abstract In recent decades, numerous studies have focused on the paleoenvironmental reconstruction of coastal areas, with special emphasis on the detection of tsunami layers. These multidisciplinary investigations usually do not study the mineralogy of the environment as well as the underlying or overlying layers.This paper analyzes the whole-rock mineralogy and clay minerals contained in seven short cores obtained in the Donana National Park (SW Spain) and deposited during the 5.000–1.500 cal. yr BP interval.The main purpose is to deduce the paleoenvironments from which the sedimentary facies present in them were formed and an approximation to the transport mechanisms involved in their formation. Results of X-ray diffraction analysis indicate that the main minerals are phyllosilicates, quartz and calcite, with smectites and illite being the most abundant phyllosilicates. According to the whole-rock mineralogy and additional statistical procedures (correlation, cluster analysis), the main source of quartz is the erosion of Donana spit, while the Guadalquivir river, its tributaries and the old lagoon have contributed mainly with smectite-rich phyllosilicates. On the contrary, waves, tides and high-energy events introduced illite and bioclasts in an old lagoon from the nearby shallow marine sectors. Consequently, the mineralogical analysis is revealed as an interesting tool for palaeoenvironmental reconstruction in this area, since it varies between different sedimentary environments. In addition, the combined study of whole-rock and clay mineralogy detects the tsunami layers and the provenance of their sediments in the studied cores.

中文翻译：

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全岩和粘土矿物学作为多纳纳国家公园（西班牙西南部）全新世晚期沉积演化过程中的古环境示踪剂

摘要 近几十年来，大量的研究集中在沿海地区的古环境重建，特别是海啸层的检测。这些多学科调查通常不研究环境以及下伏或上覆层的矿物学。本文分析了在多纳纳国家公园（西班牙西南部）获得并沉积于 7 个短岩心中的全岩矿物学和粘土矿物。 5.000–1.500 卡路里。yr BP 间隔。主要目的是推断出其中存在的沉积相形成的古环境，以及对其形成所涉及的输运机制的近似。X射线衍射分析结果表明，主要矿物为页硅酸盐、石英和方解石，绿土和伊利石是最丰富的页硅酸盐。根据全岩矿物学和附加统计程序（相关性、聚类分析），石英的主要来源是多纳纳吐痰的侵蚀，而瓜达尔基维尔河及其支流和旧泻湖主要贡献了富含蒙脱石的层状硅酸盐。相反，波浪、潮汐和高能事件将伊利石和生物碎屑从附近的浅海区引入老泻湖。因此，矿物学分析被揭示为该地区古环境重建的一个有趣工具，因为它在不同的沉积环境之间有所不同。此外，全岩和粘土矿物学的联合研究检测了海啸层及其研究岩心中沉积物的来源。