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Mineral-Magnetic Characterization as a Key to Explain Differences in Magnetic Contrast and Improve Archaeological Interpretation

An Example of the Roman Site at Auritz/Aurizberri, Navarre
Ekhine Garcia-Garcia, Hana Grison, Neli Jordanova, Philippe De Smedt et Eneko Iriarte
p. 161-164

Résumé

– New approach to mineral-magnetic characterization.

– Evaluation of factors influencing geophysical results.

– Origin of a fringe without magnetic contrast explained by waterlogging.

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Plan

Introduction
Site description and methodology
Results
Discussion and conclusions

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Introduction

Geophysical and geoarchaeological methods can be used to delimit the extent and characterise the nature of settlement in the past. To this end, a magnetic survey was conducted at the site of the ancient Roman town of Zaldua (Auritz, Navarre). Although the results of this survey provided a firm basis for a preliminary archaeological assessment of the site (Garcia-Garcia et al., 2016), in some parts of the study area the magnetic response was difficult to interpret. This is most striking in the north of the main area, where a narrow band without clear magnetic variation separates two zones with clear evidence of intensive occupation. The same result was reproduced in the Ground Penetrating Radar (GPR) and Electromagnetic Induction (EMI) surveys performed in this area. The absence of clear responses is believed not to reflect archaeological reality but the reason for this contrast-free fringe is unknown, and remains one of the archaeological questions of the site.

A Short Ti...

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Ekhine Garcia-Garcia, Hana Grison, Neli Jordanova, Philippe De Smedt et Eneko Iriarte, « Mineral-Magnetic Characterization as a Key to Explain Differences in Magnetic Contrast and Improve Archaeological Interpretation »ArcheoSciences, 45-1 | 2021, 161-164.

Référence électronique

Ekhine Garcia-Garcia, Hana Grison, Neli Jordanova, Philippe De Smedt et Eneko Iriarte, « Mineral-Magnetic Characterization as a Key to Explain Differences in Magnetic Contrast and Improve Archaeological Interpretation »ArcheoSciences [En ligne], 45-1 | 2021, mis en ligne le 16 août 2021, consulté le 24 septembre 2021. URL : http://journals.openedition.org/archeosciences/9280 ; DOI : https://doi.org/10.4000/archeosciences.9280

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Auteurs

Ekhine Garcia-Garcia

Corresponding author, SOT Archaeological Prospection, Barcelona, Catalunya

Articles du même auteur

Hana Grison

Institute of Geophysics of the Czech Academy of Sciences, Prague, Czech Republic

Neli Jordanova

National Institute of Geophysics, Geodesy and Geography, Bulgarian Academy of Sciences, Sofia, Bulgaria

Philippe De Smedt

Department of Environment, Department of Archaeology, Ghent University, Ghent, Belgium

Articles du même auteur

Eneko Iriarte

Universidad de Burgos, Spain

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Droits d’auteur

Article L.111-1 du Code de la propriété intellectuelle.

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