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Geosciences 2017, 7(4), 104;

Geoarchaeological Core Prospection as a Tool to Validate Archaeological Interpretation Based on Geophysical Data at the Roman Settlement of Auritz/Burguete and Aurizberri/Espinal (Navarre)

Aranzadi Society of Sciences, Donostia-San Sebastian 20014, Basque Country
Department of Mineralogy and Petrology, University of the Basque Country (EHU/UPV), Leioa 48940, Basque Country
SOT Archaeological Prospection, Barcelona 08198, Spain
MOLA (Museum of London Archaeology), Mortimer Wheeler House, London N1 7ED, UK
Geography, History and Communication department, University of Burgos, Burgos 09001, Spain
This paper is an extended version of our paper published in Garcia-Garcia, E.; Agirre-Mauleon, J.; Andrews, J.; Aranburu, A.; Arrazola, H.; Etxegoien, J.; Fuldáin, J.; Hill, J.; Iriarte, E.; Legorburu, M.; et al. Geoarchaeological core prospection investigation to improve the archaeological interpretation of geophysical data: Case study of a Roman settlement at Auritz (Navarre). Archaeol. Polona 2015, 53, 88–91.
Author to whom correspondence should be addressed.
Received: 21 August 2017 / Revised: 26 September 2017 / Accepted: 3 October 2017 / Published: 13 October 2017
(This article belongs to the Special Issue Remote Sensing and Geosciences for Archaeology)
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Geophysical survey methods are broadly used to delimit and characterize archaeological sites, but the archaeological interpretation of geophysical data remains one of the challenges. Indeed, many scenarios can generate a similar geophysical response, and often interpretations can not be validated without access to the subsoil. In large geophysical surveys many anomalies are detected and validation through archaeological trenches can not be afforded. This paper analyses the validity of geoarchaeological core survey to check the archaeological interpretations based on geophysical results. The Roman site located at Auritz/Burguete and Aurizberri/Espinal (Navarre), provides a great case of study as many investigations have been carried out. After the gradiometer survey performed in 2013 a sediment core survey was designed. 132 cores were drilled using a hand-held coring machine and the sediments were analysed in situ. Site delimitation and archaeological interpretations based on magnetic data could be improved or corrected. In this regard, the core survey proved to be an useful methodology as many anomalies could be checked within reasonable time and resources. However, further geophysical investigations trough GPR revealed unexpected remains in areas where no archaeological deposits were identified through coring. Excavations showed poor conservation level in some of those areas, leading to thin archaeological deposits hard to identify at the cores. The sediment core survey, therefore, was proved to be inconclusive to delimit the archaeological site. View Full-Text
Keywords: Geoarchaeology; Geophysics; Archaeological Interpretation; Roman; Navarre Geoarchaeology; Geophysics; Archaeological Interpretation; Roman; Navarre

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Garcia-Garcia, E.; Andrews, J.; Iriarte, E.; Sala, R.; Aranburu, A.; Hill, J.; Agirre-Mauleon, J. Geoarchaeological Core Prospection as a Tool to Validate Archaeological Interpretation Based on Geophysical Data at the Roman Settlement of Auritz/Burguete and Aurizberri/Espinal (Navarre). Geosciences 2017, 7, 104.

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