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http://hdl.handle.net/10174/31085
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Title: | Archeomagnetic study of baked clays from a neolithic site in thessaly, Greece |
Authors: | Skoulikari, Dimitra B |
Advisors: | Aidona, E. |
Keywords: | Archaeomagnetism Archaeomagnetic dating Archaeodirections Burnt clay Neolithic Period Greece |
Issue Date: | 17-Jan-2022 |
Publisher: | Universidade de Évora |
Abstract: | Abstract
The study conducted for this thesis was a classical archaeomagnetic study with the
aim of obtaining archaeodirectional data to enrich the poorly covered Neolithic period in the
Greek directional SVCs. Burnt clay samples, from the kiln complex at the Middle Neolithic
site Koutroulou Magoula located in Thessaly, Greece, were studied. The grouping of the
initial NRM measurements was satisfactory, thus indicating that the majority of the samples
were burnt in situ. Stepwise thermal demagnetization was employed to isolate the ChRM of
the samples, which in most cases revealed one characteristic component of magnetization.
Rock magnetic measurements were also employed to access the mineralogical composition
and stability of the sampled material. Specifically, thermomagnetic analysis and coercivity
spectrum analysis (i.e., acquisition of isothermal remanent magnetization (IRM), indicated
that the samples contained mainly low-coercivity magnetic minerals (such as magnetite or
titanomagnetite). Some samples did contain a small portion of high-coercivity minerals as
well, most likely haematite. Overall, the experimental procedures proved to be successful and
the mean directions (declination – D, inclination – I, and confidence parameter - α95) for the
site were calculated: D [°]= 6.9; I [°] = 55.9; and α95 [°] = 4.5. From the mean directions
calculated a final date was purposed for the site by comparing the obtained directions to the
Balkan and Neolithic reference curves. Date interval (Balkan curve) = 5463 – 5200 BC; date
interval (Neolithic curve) = 5488 – 5187 BC, both at a 95% confidence level. Both dating
intervals are similar suggesting a reliable date was obtained. |
URI: | http://hdl.handle.net/10174/31085 |
Type: | masterThesis |
Appears in Collections: | BIB - Formação Avançada - Teses de Mestrado
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