Estudio geoarqueológico de la cueva de El Sidrón(Piloña, Asturias)
- J. C. Cañaveras 1
- S. Sánchez-Moral 2
- S. Cuezva 3
- A. Fernández-Cortés 3
- M. C. Muñoz 1
- J. Lario 4
- P. G. Silva 5
- G. Santos-Delgado 5
- E. Duarte 6
- D. Santamaría 6
- M. De la Rasilla 6
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1
Universitat d'Alacant
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- 2 Museo Nacional de Ciencias Naturales, CSIC
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3
Universidad de Almería
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4
Universidad Nacional de Educación a Distancia
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5
Universidad de Salamanca
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6
Universidad de Oviedo
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ISSN: 0366-0176
Year of publication: 2018
Volume: 129
Issue: 1-2
Pages: 107-128
Type: Article
More publications in: Boletín geológico y minero
Abstract
The sedimentary infill bearing the archaeological and anthropological record of the Ossuary Gallery (the Sidrón cave) shows high complexity in both sediment types and their spatial distribution in the cavity. The main factors that govern this complexity are the episodic and highly energetic nature of the recorded sedimentary infill units and the irregular geometry of the gallery itself, which significantly compartmentalized areas of deposition. Briefly, all types of typical allochthonous detrital material deposits in karst environments are represented in the Ossuary Gallery; from well-sorted fine-grained sediment facies representative of backswamp (clays of the unit O) or slackwater (Unit IV), to poorly-sorted coarse-grained deposits corresponding to mudflows and debris flows (Unit II and Unit III base), and typical channel facies composed of laminated sands and silts (units I and II). The bone and lithic remains are concentrated in unit III. The source area is above the Ossuary Gallery, at the intermediate or higher karst levels. The input of archeological material to the Ossuary Gallery was triggered in high energy episodes in association to flood events and / or storms.