The mineral magnetic properties of Pleistocene aeolian dune sands from the island of Fuerteventura (Canary Islands, Spain) were studied in order to reconstruct the palaeoenvironmental evolution of Pleistocene climates during their formation. The palaeodunes on Fuerteventura mainly consist of carbonate sands admixed with dust and material of volcanic origin. Due to the low magnetic background caused by the diamagnetic character of carbonate sands, these archives offer a lot of potential for environmental magnetic studies to detect the imprint of dust, volcanic material and paedogenesis. Four sections of alternating palaeosurface–aeolianite sequences in palaeodune fields have been analysed by means of extensive rock magnetic measurements. These Quaternary archives consist of deposits originating from different sources. I. material blown from the shallow shelf, II. material of volcanic origin, and III. long‐range transported dust. The rock magnetic findings enable a more detailed interpretation of the palaeosurfaces within the sequences. We are able to differentiate semiquantitatively between the different source materials on one hand and to distinguish on the other hand those from soil‐forming processes. Soil formation is only weakly developed in the dust imprints in the palaeosol aeolianite sequences, linked to sparse vegetation cover during the Pleistocene on Fuerteventura.

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碳酸盐岩系统的岩石磁学–研究富埃特文图拉（加那利群岛）的古生物学

研究了来自富埃特文图拉岛（西班牙加那利群岛）的更新世风沙丘砂的矿物磁学性质，以重建更新世气候形成过程中的古环境演化。富埃特文图拉岛上的古古隆主要由碳酸盐砂混合尘埃和火山岩材料组成。由于碳酸盐砂岩的反磁性特征引起的低磁性本底，这些档案为环境磁性研究提供了巨大的潜力，可用于检测灰尘，火山物质和成岩作用的痕迹。通过广泛的岩石磁测量，分析了古土壤领域中古地表-风成岩交替的四个部分。这些第四纪档案库由不同来源的矿床组成。一世。从浅架子吹来的物料，II。火山起源的材料，以及III。远距离输送的灰尘。岩石磁学发现可以更详细地解释层序内的古地表。一方面，我们能够对不同的原料进行半定量区分，另一方面，它们也可以与土壤形成过程区别开来。在富埃特文图拉岛的更新世期间，古土壤风成岩序列中的尘土痕迹与稀疏的植被覆盖有关，土壤的形成仅在微弱的印记中发展。一方面，我们能够对不同的原料进行半定量区分，另一方面，它们也可以与土壤形成过程区别开来。在富埃特文图拉岛的更新世期间，古土壤风成岩序列中的尘土痕迹与稀疏的植被覆盖有关，土壤的形成仅在微弱的印记中发展。一方面，我们能够对不同的原料进行半定量区分，另一方面，它们也可以与土壤形成过程区别开来。在富埃特文图拉岛的更新世期间，古土壤风成岩序列中的尘土痕迹与稀疏的植被覆盖有关，土壤的形成仅在微弱的印记中发展。