Microstratigraphy of the Magdalenian sequence at Cendres Cave (Teulada-Moraira, Alicante, Spain): Formation and diagenesis

Bergadà, M. Mercè; Bonilla, Valentín Villaverde; Monroig, Dídac Roman

doi:10.1016/j.quaint.2013.09.017

Cited by 24 publications

(8 citation statements)

References 8 publications

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“…Geologic-erosive bias could explain for the drop on the inferred relative population densities during phase 2 if there were widespread sedimentary hiatuses in closed sites (i.e., caves and rock-shelter deposits) on the one hand, and the destruction or deep burial of open-air sites on the other. While such a hypothesis has been recently discussed for the regional subset of the Ebro valley 22 , it seems difficult to accept for the whole Iberian Peninsula, given that both cave and rock-shelter archaeological deposits were also subject to sedimentary hiatuses and stratigraphic discontinuities within phases 1 65 , and 3 66 , but no dramatic downturn is evident in the archaeological SPDs from these periods.…”

Section: Discussionmentioning

confidence: 99%

Palaeodemographic modelling supports a population bottleneck during the Pleistocene-Holocene transition in Iberia

et al. 2019

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Demographic change lies at the core of debates on genetic inheritance and resilience to climate change of prehistoric hunter-gatherers. Here we analyze the radiocarbon record of Iberia to reconstruct long-term changes in population levels and test different models of demographic growth during the Last Glacial-Interglacial transition. Our best fitting demographic model is composed of three phases. First, we document a regime of exponential population increase during the Late Glacial warming period (c.16.6-12.9 kya). Second, we identify a phase of sustained population contraction and stagnation, beginning with the cold episode of the Younger Dryas and continuing through the first half of the Early Holocene (12.9-10.2 kya). Finally, we report a third phase of density-dependent logistic growth (10.2-8 kya), with rapid population increase followed by stabilization. Our results support a population bottleneck hypothesis during the Last Glacial-Interglacial transition, providing a demographic context to interpret major shifts of prehistoric genetic groups in south-west Europe.

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Section: Discussionmentioning

confidence: 99%

Palaeodemographic modelling supports a population bottleneck during the Pleistocene-Holocene transition in Iberia

et al. 2019

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“…Reddish stains (Fe oxides and hydroxides) appear on some of the bone remains. In PPL and XPL they show a blackish color with some brightness, in the form of hypocoatings as a result of microbial activity (Bergadà et al, 2013;Villagran et al, 2017) especially in MU 3 -S.5 (Fig. 4a and b).…”

Section: Resultsmentioning

confidence: 99%

“…Cabanes et al, 2010), El Abrigo de la Quebrada (Spain)(Esteban et al, 2017), Cova de les Cendres (Spain)(Bergadà et al, 2013) and Ohalo II (Israel)(Nadel et al, 2004) of the Upper Palaeolithic.Cova Negra contributes new data concerning this type of human activity, suggesting preparation of zones in the caves with bedding consisting of plants, for different human activities, among which could perhaps have been resting, but which may have had a more ancient origin than has thus far been considered for the Iberian Peninsula.Another of the components to highlight in level VIII of Cova Negra is Celtis sp. At Cova Negra during the archaeobotanical eldwork endocarp remains of Celtis sp.…”

mentioning

confidence: 99%

Ash areas of the Middle Pleistocene at Cova Negra (Xàtiva, Spain): the microstratigraphic sequence of level VIII

Oltra-Carrió,

Bergadà,

Eixea

et al. 2024

Preprint

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The study of the uses of fire and of the domestic activities linked to them is necessary for a bettter understanding of the relations and behaviors of the Neanderthal groups in southern Europe during the Middle Pleistocene. The analysis of the microstratigraphy of level VIII at Cova Negra, dated between 206–255 ka which situates it in the MIS 7 interglacial complex, has enabled us to identify several distinct microfacies which present different plant compositions. Those remains that stand out have a predominance of Gramineae deposited as bedding at the top of the sequence. Between the microfacies of combustion that have been established, coprolites of carnivores have been identified, related to periods of abandonment by the human populations. The record of all these processes in level VIII at Cova Negra leads us to new approaches concerning the vision that we hold of the first Neanderthals in relation to Mediterranean Iberia. Matters such as the preparation of zones for cleaning or for resting in place perhaps formed part of the behavior of these groups of early Neanderthals.

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“…The bone remains are generally reddish‐brown, and in some cases, have stains that appear reddish‐orange in PPL. These features are due to microbial activity leading to the precipitation of iron and manganese compounds (Bergadà et al, 2013; Polo‐Díaz & Fernández‐Eraso, 2010; Villagran et al, 2017) and also due to the precipitation of humic acids from the soil (Villagran et al, 2017). This would accentuate the dissolution features, giving rise to an increase in porosity and more subrounded contours at the bone edges due to the acidic environment (Karkanas & Goldberg, 2019).…”

Section: Discussionmentioning

confidence: 99%

Geoarchaeological and microstratigraphic view of a Neanderthal settlement at Rambla de Ahíllas in Iberian Range: Abrigo de la Quebrada (Chelva, Valencia, Spain)

2023

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The Abrigo de la Quebrada is a Middle Palaeolithic rockshelter located in the Rambla de Ahíllas in the Iberian Range (Valencia, Spain). Archaeological work began in 2007 and was completed in 2015, reaching the rockshelter substratum and uncovering a record that spans from MIS 5 to MIS 4/3. The data from the geoarchaeological and micromorphological study of the site allow us to deduce that it was formed by alluvial contributions from the ephemeral stream, in different subenvironments varying from channel/bar to floodplain facies. These alternate with debris from different displacement processes depending on the unit, such as solifluction–gelifluction, mass displacement, and diffuse runoff. In addition, collapse episodes of the overhanging rockshelter roof influenced the pedological evolution of the record, with implications for the archaeological levels, especially in Unit G (Level IV). From a paleoenvironmental point of view, a more contrasted variability is reflected in the upper units of the site (MIS 4/3), especially in Unit G (Level IV), which, based on data, suggests temperate conditions, and in Unit H (Levels III and II) indicate cold conditions. In contrast, the lower units (MIS 5) are generally temperate, with the exception of Unit C (Level VIIIa), which reflects a colder phase.

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Microstratigraphy of the Magdalenian sequence at Cendres Cave (Teulada-Moraira, Alicante, Spain): Formation and diagenesis

Cited by 24 publications

References 8 publications

Palaeodemographic modelling supports a population bottleneck during the Pleistocene-Holocene transition in Iberia

Palaeodemographic modelling supports a population bottleneck during the Pleistocene-Holocene transition in Iberia

Ash areas of the Middle Pleistocene at Cova Negra (Xàtiva, Spain): the microstratigraphic sequence of level VIII

Geoarchaeological and microstratigraphic view of a Neanderthal settlement at Rambla de Ahíllas in Iberian Range: Abrigo de la Quebrada (Chelva, Valencia, Spain)

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