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The research around the palaeo-lake of Gebel Ramlah has revealed the presence of numerous remains of Late Neolithic occupation. One such site – E-16-02 – was excavated in 2018 and delivered unique evidence pointing to the specific style of life of human groups here in the later Neolithic. In the light of the available evidence, it seems that the occupation was seasonal and the site was visited several times. Its main feature was an oven, carefully designed and regularly cleaned as it served for cooking food during subsequent visits to the place. The remaining features were occasionally constructed during each stay. The distribution of flint artefacts, chaotic, unpatterned, without visible places of flint processing and lacking clear links with features and remains of pottery vessels also indicate multiple visits to the site. This pattern is obviously different to that recognized during the Holocene climatic optimum when the extent of the settlements was substantially larger accompanied by a diversity of features indicating a stable, long-lasting occupation (Al Jerar Unit)

Rescue excavations at an artefact manufacturing site at Pęgów, Poddębice district, dated to the modern period, have produced several dozens of lumps of flint. The flint exhibits greyish and brownish bands and is macroscopically similar to the well-known banded flint occurring in the area of Krzemionki Opatowskie, Ostrowiec Świętokrzyski district. Artefacts made from this tentatively named ‘Pęgów flint’ have been identified in archaeological assemblages of different chronological age in the Koło Basin. To verify whether macroscopically similar nodules and artefacts come from the same outcrop and if the artefacts made of banded flint are made of the Krzemionki Opatowskie flint, instrumental neutron activation analysis (INAA) was conducted on samples of Pęgów flint and banded raw material from Krzemionki Opatowskie. Although most of the obtained results fall below INAA detection limits the compostion of chromium content in each sample may reflect common origin of all the analysed pieces from Pęgów. INAA data suggest that the artifacts made of banded flint were mot made from Krzemionki Opatowskie material.