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A case study the necropole area of Antandros ancient city (Turkey) by magnetic prospection

Melda Küçükdemirci
p. 303-304

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1The aim of this study is to investigate by magnetic prospection ancient structures buried in the necropolis of the historically and archaeologically important city of Antandros in Altınoluk, Balıkesir (Turkey). Antandros is a city in Troas, located on the hillside of İda Mountain. Archaeological excavations started in a part of the city in 2001 have brought to light Late Roman and Hellenistic remains.

Figure 1: Study location on the archaeological map of Turkey.

Figure 1: Study location on the archaeological map of Turkey.

2The present magnetic study focused on an area believed to be the necropolis of ancient Antandros.

3Magnetic measurements were collected with a Scintrex Proton magnetometer from a gridded study area. Magnetic field corrections were applied to the magnetic data which were affected by diurnal magnetic fields. To separate regional and residual anomalies, filters, continuations and derivative techniques were applied (Fig. 2). To detect the boundaries of features, boundary analysis was used.

Figure 2: Magnetic data processing results.

Figure 2: Magnetic data processing results.

4For modelling potential structures the Talwani method was applied taking into consideration the results of an Euler deconvolution to determine the shapes, depths and elongation of relics. In the modelling process, two different artificial models were created to understand the Euler deconvolution principles by choosing window size and the structural index parameter. This was then applied to the field data. For the Talwani modelling,the susceptibility of the relics was measured by a Bartington Ms2 B probe. For the data processing and modelling techniques, PF Potential-Field Geophysical Software for the PC, version 2.2 (Phillips,1997) and MAGPICK Version 2 (Tchernychev,1998) programmes were used.

5According to the data processing and modelling results of this study and the distribution and shape of subterranean graves, the main anomaly can be seen between the 25th and 50th meter along the horizontal axis of the magnetic map. It could mean that the graves do not extend beyond the 25th meter. On the other hand, it could mean that there is an ancient road separating the necropolis from the Roman settlement. An ancient road running from west to east was recorded previously in archaeological excavations. To investigate these possibilites, a test excavation 20 by 2 m is suggested, at least 1.5 m deep, to be dug between the 30th and 50th meters on the horizontal axis, oriented from northeast to southwest.

Figure 3: Excavated part of the necropolis area.

Figure 3: Excavated part of the necropolis area.

6Thanks are due Prof. Niyazi Baydemir and Assoc. Prof. Z. Mümtaz Hisarlı from the Istanbul University Geophysical Engineering Department for their advice. We would also liek to acknowledge the help of Assoc. Prof. Gürcan Polat from the Aegean University, Department of Archaeology, for providing us with the sources we used.

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Bibliographie

Phillips, J. D., 1997. Potential-Field Geophysical Software for the PC, Version 2.2.U.S.Geological Survey, Open-File Report, 97-725.

Tchernychev, M., 1998. Magpick-Magnetic Map and Profile Processing User Guide.

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Table des illustrations

Titre Figure 1: Study location on the archaeological map of Turkey.
URL http://archeosciences.revues.org/docannexe/image/1747/img-1.jpg
Fichier image/jpeg, 204k
Titre Figure 2: Magnetic data processing results.
URL http://archeosciences.revues.org/docannexe/image/1747/img-2.jpg
Fichier image/jpeg, 288k
Titre Figure 3: Excavated part of the necropolis area.
URL http://archeosciences.revues.org/docannexe/image/1747/img-3.jpg
Fichier image/jpeg, 294k
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Référence papier

Melda Küçükdemirci, « A case study the necropole area of Antandros ancient city (Turkey) by magnetic prospection », ArcheoSciences, 33 (suppl.) | 2009, 303-304.

Référence électronique

Melda Küçükdemirci, « A case study the necropole area of Antandros ancient city (Turkey) by magnetic prospection », ArcheoSciences [En ligne], 33 (suppl.) | 2009, mis en ligne le 30 octobre 2011, consulté le 17 août 2017. URL : http://archeosciences.revues.org/1747 ; DOI : 10.4000/archeosciences.1747

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Auteur

Melda Küçükdemirci

Department of Geophysical Engineering, Istanbul University, Istanbul,Turkey (meldakd@istanbul.edu.tr)

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