Abstract
In this work, we present a study on experimental archaeology replicas of 170,000-year-old digging sticks excavated in 2012 in the archaeological site of Poggetti Vecchi (Grosseto, Italy). One of the techniques used for documenting and studying the sticks was the reflectance transformation imaging (RTI) technique, which allows the creation of an interactive image by varying the angle of illumination. A reconstruction of the 3D profile of the surface was also made by applying the technique of photometric stereo imaging to the RTI images.
Highlights
IntroductionThe recovery material fromPaleolithic contexts is rare inrare Western EuropeThe recoveryofofperishable perishable material fromPaleolithic contexts is in Western because because of the easy degradation in the relatively temperate climate climate that characterizes this region.Europe of the easy degradation in the relatively temperate that characterizes thisthe discovery of several wooden tools, found in the MiddlePaleolithic site of Poggetti region
The reflectance transformation imaging (RTI) image covers a length of several cm of the stick; the resolution of the image, which is the combination of all 46 images acquired by the instrument, is high enough to allow a magnification comparable to the one of the digital microscope
The RTI image, very powerful for documenting at high resolution a relatively large portion of the sample, does not allow for measuring the depth of the surface features, produced by the tool used for manufacturing the stick or by its use
Summary
IntroductionThe recovery material fromPaleolithic contexts is rare inrare Western EuropeThe recoveryofofperishable perishable material fromPaleolithic contexts is in Western because because of the easy degradation in the relatively temperate climate climate that characterizes this region.Europe of the easy degradation in the relatively temperate that characterizes thisthe discovery of several wooden tools, found in the MiddlePaleolithic site of Poggetti region. Paleolithic contexts is rare inrare Western Europe. Paleolithic contexts is in Western because because of the easy degradation in the relatively temperate climate climate that characterizes this region. Europe of the easy degradation in the relatively temperate that characterizes this. The discovery of several wooden tools, found in the Middle. The discovery of several wooden tools, found in the Middle Paleolithic site of. Italy) [1], has spurred a great interest
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