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Reconstructing depositional environments through cave interior facies: The case of Galería Complex (Sierra de Atapuerca, Spain)

  • Dades identificatives

    Identificador: imarina:9329046
    Autors:
    Campaña IBenito-Calvo APérez-González AOrtega AIÁlvaro-Gallo AMiguens-Rodríguez LIglesias-Cibanal Jde Castro JMBCarbonell E
    Resum:
    This work showed that cave sediments are useful for geomorphologic studies and for reconstructing depositional environments. While the cave entrance facies have been extensively studied for their relationship with the fossil and archaeological record, the cave interior facies have received much less attention, although they can provide much information on the geomorphological evolution of the karst. This work presents the stratigraphic and sedimentological study of a section >6 m thick and 10 m long of cave interior sediments of Galería Complex (Sierra de Atapuerca, Spain). Galería Complex is a cavity infill of the Sierra de Atapuerca (Spain), composed of three sections filled by at least 30 m of Pleistocene sediments. This sequence is divided into 5 lithostratigraphic units named from bottom to top: GI – GV. GI unit is 19 m thick of interior facies in the base of the Galería Complex, divided into two sub-unit, GIa and GIb, by the Matuyama-Bruhnes paleomagnetic boundary. GI unit shows an issue with the chronology since has uncoherent between TT-OSL and ESR/U-series and paleomagnetism dates. This work has been done by combining field observation with laboratory sedimentary analysis to characterize the texture and structure of the sediments. Based on these studies, 12 layers and 9 sedimentary facies have been identified. The facies associations indicate a clear separation between GIa and GIb sub-units. GIa sub-unit is dominated by epiphreatic conditions and represents continuous relativity sedimentation during the Early Pleistocene; meanwhile, GIb shows important erosion events and facies with reworked materials that indicate vadose conditions during the Middle Pleistocene. This environmental change is related to the geomorphological evolution of the Arlanzón River. In ad
  • Altres:

    Autor segons l'article: Campaña I; Benito-Calvo A; Pérez-González A; Ortega AI; Álvaro-Gallo A; Miguens-Rodríguez L; Iglesias-Cibanal J; de Castro JMB; Carbonell E
    Departament: Història i Història de l'Art
    Autor/s de la URV: Carbonell Roura, Eudald
    Paraules clau: Sedimentary facies Interior facies Gran dolina Early pleistocene Cave sedimentation Atapuerca sedimentary facies pleistocene sites paleoanthropological site karst interior facies gravity flow de-atapuerca clastic sediments cave sedimentation burgos atapuerca archaeological sites
    Resum: This work showed that cave sediments are useful for geomorphologic studies and for reconstructing depositional environments. While the cave entrance facies have been extensively studied for their relationship with the fossil and archaeological record, the cave interior facies have received much less attention, although they can provide much information on the geomorphological evolution of the karst. This work presents the stratigraphic and sedimentological study of a section >6 m thick and 10 m long of cave interior sediments of Galería Complex (Sierra de Atapuerca, Spain). Galería Complex is a cavity infill of the Sierra de Atapuerca (Spain), composed of three sections filled by at least 30 m of Pleistocene sediments. This sequence is divided into 5 lithostratigraphic units named from bottom to top: GI – GV. GI unit is 19 m thick of interior facies in the base of the Galería Complex, divided into two sub-unit, GIa and GIb, by the Matuyama-Bruhnes paleomagnetic boundary. GI unit shows an issue with the chronology since has uncoherent between TT-OSL and ESR/U-series and paleomagnetism dates. This work has been done by combining field observation with laboratory sedimentary analysis to characterize the texture and structure of the sediments. Based on these studies, 12 layers and 9 sedimentary facies have been identified. The facies associations indicate a clear separation between GIa and GIb sub-units. GIa sub-unit is dominated by epiphreatic conditions and represents continuous relativity sedimentation during the Early Pleistocene; meanwhile, GIb shows important erosion events and facies with reworked materials that indicate vadose conditions during the Middle Pleistocene. This environmental change is related to the geomorphological evolution of the Arlanzón River. In addition, soft-sediment deformation structures have been described, including faults and low-angle folds. An important leaching process has been identified by the presence of phosphates that could explain the underestimated ages obtained in other works.
    Àrees temàtiques: Interdisciplinar Historia Geosciences, multidisciplinary Geosciences, interdisciplinary Geology Geography, physical Geography Geografia i urbanisme Geografía Geociências Engenharias iii Engenharias i Earth-surface processes Ciências biológicas i Ciências ambientais Ciências agrárias i Biodiversidade Astronomia / física Antropologia / arqueologia
    Accès a la llicència d'ús: https://creativecommons.org/licenses/by/3.0/es/
    Adreça de correu electrònic de l'autor: eudald.carbonell@urv.cat
    Identificador de l'autor: 0000-0001-6306-3621
    Data d'alta del registre: 2024-08-03
    Versió de l'article dipositat: info:eu-repo/semantics/publishedVersion
    Enllaç font original: https://www.sciencedirect.com/science/article/pii/S0169555X23002842
    URL Document de llicència: https://repositori.urv.cat/ca/proteccio-de-dades/
    Referència a l'article segons font original: Geomorphology. 440
    Referència de l'ítem segons les normes APA: Campaña I; Benito-Calvo A; Pérez-González A; Ortega AI; Álvaro-Gallo A; Miguens-Rodríguez L; Iglesias-Cibanal J; de Castro JMB; Carbonell E (2023). Reconstructing depositional environments through cave interior facies: The case of Galería Complex (Sierra de Atapuerca, Spain). Geomorphology, 440(), -. DOI: 10.1016/j.geomorph.2023.108864
    DOI de l'article: 10.1016/j.geomorph.2023.108864
    Entitat: Universitat Rovira i Virgili
    Any de publicació de la revista: 2023
    Tipus de publicació: Journal Publications
  • Paraules clau:

    Earth-Surface Processes,Geography,Geography, Physical,Geology,Geosciences, Interdisciplinary,Geosciences, Multidisciplinary
    Sedimentary facies
    Interior facies
    Gran dolina
    Early pleistocene
    Cave sedimentation
    Atapuerca
    sedimentary facies
    pleistocene sites
    paleoanthropological site
    karst
    interior facies
    gravity flow
    de-atapuerca
    clastic sediments
    cave sedimentation
    burgos
    atapuerca
    archaeological sites
    Interdisciplinar
    Historia
    Geosciences, multidisciplinary
    Geosciences, interdisciplinary
    Geology
    Geography, physical
    Geography
    Geografia i urbanisme
    Geografía
    Geociências
    Engenharias iii
    Engenharias i
    Earth-surface processes
    Ciências biológicas i
    Ciências ambientais
    Ciências agrárias i
    Biodiversidade
    Astronomia / física
    Antropologia / arqueologia
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