First archaeomagnetic results and dating of Neolithic structures in northern Greece

Aidona, Elina; Kondopoulou, D.

doi:10.1007/s11200-011-9006-8

Cited by 14 publications

(13 citation statements)

References 15 publications

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“…Even if only one sample is referred, the obtained value of 55 ± 5.2 µT is in very good agreement with the one obtained for the SKS collection revised in this study (1925 ± 125 yr BC) of 53.5 ± 4.1 µT (Tema et al 2012). Apart from the numerous data from Thomas (1981Thomas ( , 1983, several archaeointensity studies in Greece have been performed (for compilations see De Marco et al 2008;Tema & Kondopoulou 2011;Aidona & Kondopoulou 2012;Tema et al 2012;Fanjat et al 2013;Kondopoulou et al 2014Kondopoulou et al , 2015. However, only 83 data correspond to the prehistoric period (before 1000/900 yr BC).…”

Section: Comparison With Previous Greek Archaeointensity Data and Geosupporting

confidence: 88%

Investigating the archaeointensity determination success of prehistoric ceramics through a multidisciplinary approach: new and re-evaluated data from Greek collections

Kondopoulou¹,

Gómez‐Paccard

Aidona³

et al. 2017

Geophysical Journal International

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S U M M A R YThe Balkan area provides an almost continuous record of the geomagnetic field variations during the last eight millennia but important data dispersion and chronological gaps are still observed. In order to improve this pattern, we oriented our research towards the study of Greek prehistoric ceramics and pottery collections. We present here new archaeointensity and mineralogical results from pottery and ceramics collected in two Bronze Age sites in Northern Greece, corresponding to the middle third and middle second millennium BC. Thermal demagnetization experiments, thermomagnetic curves, thermal demagnetization measurements of three axes composite isothermal magnetization and first-order reversal curves (FORC) diagrams were performed in order to define the main magnetic carriers and select the most promising samples for archaeointensity determination. The results suggest that the majority of the studied materials are dominated by a mixture of superparamagnetic and stable single domain grains, with very little magnetic interactions. In almost all samples the main magnetic carrier observed is a low coercivity mineral, most probably magnetite and/or Ti-magnetite. Classical Thellier experiments, including both the thermoremanent magnetization anisotropy and cooling rate corrections were performed on the selected samples. Two new archaeointensities were obtained and compared with previous data available for Greece and neighbouring countries and with global geomagnetic field models results. In order to investigate the causes of the high rate of failure observed in our archaeointensity experiments, we re-examined the results obtained from the study of four collections already published by better characterizing the magnetic and mineralogical properties of the studied fragments. Specific hysteresis curves performed at different layers of ceramic fragments reveal an important degree of inhomogeneity. Mineralogical analysis of selected samples from the totality of six Greek prehistoric sites studied, including new X-ray powder diffraction analysis and a detailed description of the different geological contexts, is provided. The results suggest that the sherds were all fired in medium-high temperatures (mostly between 500• and 800• C). The nature of the baked clay paste in response to the local geology appears to account for a part of the variability in magnetic properties. We suggest that X-ray powder diffraction analyses and thorough examination of the geological environment in combination with a satisfactory knowledge of the corresponding excavations history might provide an additional tool to appropriately select pottery fragments before performing future archaeointensity experiments.

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Section: Comparison With Previous Greek Archaeointensity Data and Geosupporting

confidence: 88%

Investigating the archaeointensity determination success of prehistoric ceramics through a multidisciplinary approach: new and re-evaluated data from Greek collections

Kondopoulou¹,

Gómez‐Paccard

Aidona³

et al. 2017

Geophysical Journal International

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show abstract

“…Intensity data cover the last 8000 years, while directions extend within the last 4500 years only. Nevertheless, data from older periods are emerging as well (Aidona and Kondopoulou, 2012). Wider time ranges can be covered by combining datasets from the broader Balkan area (Tema and Kondopoulou, 2011), however, the Greek SVC need still new data from specific periods where a lack of adequate, well-dated, structures hampers further archaeomagnetic research.…”

Section: Introductionmentioning

confidence: 99%

Archaeomagnetic study and thermoluminescence dating of Protobyzantine kilns (Megali Kypsa, North Greece)

Kondopoulou

Aidona

Ioannidis

et al. 2015

Journal of Archaeological Science: Reports

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“…Numerous studies have provided high quality data for both the direction and intensity of the geomagnetic field in Europe e.g., compilations of (Genevey and Gallet, 2002, 2003. In particular, Greece owns a substantial number of suitable archeological materials and volcanic fields, so that numerous data are available from such artefacts (Aitken et al, 1984(Aitken et al, , 1989DeMarco, 2007Spatharas et al, 2011;Aidona and Kondopoulou, 2012;Tema et al, 2012) or historical lava flows (Spassov et al, 2010). The most recent Greek secular variation curves (SVCs) are available for the last 8 millennia for the intensity and the last 6 millennia for the direction .…”

Section: Introductionmentioning

confidence: 99%

“…Nevertheless, the coverage still presents several gaps for periods older than 2500 BC. In an effort to complete the Greek curve and extend it to older times, Aidona and Kondopoulou (2012) studied in situ Neolithic burnt structures and presented the first Greek directional results for this period. The aim of the present study is to complete this record with Thellier-Thellier archeointensity determinations from three Neolithic settlements in Northern Greece.…”

Section: Introductionmentioning

confidence: 99%

Archeointensities in Greece during the Neolithic period: New insights into material selection and secular variation curve

Fanjat

Aidona

Kondopoulou

et al. 2013

Physics of the Earth and Planetary Interiors

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First archaeomagnetic results and dating of Neolithic structures in northern Greece

Cited by 14 publications

References 15 publications

Investigating the archaeointensity determination success of prehistoric ceramics through a multidisciplinary approach: new and re-evaluated data from Greek collections

Investigating the archaeointensity determination success of prehistoric ceramics through a multidisciplinary approach: new and re-evaluated data from Greek collections

Archaeomagnetic study and thermoluminescence dating of Protobyzantine kilns (Megali Kypsa, North Greece)

Archeointensities in Greece during the Neolithic period: New insights into material selection and secular variation curve

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