| Summary: | In central Russia, the examination of characteristics of economic activity of Bronze Age settlements and the determination of functional zones that existed in their territories in the first half of the second millennium BC based on the results of XRF (X-ray Fluorescence) analysis of samples of the cultural layer have never been done before. The data from elemental analysis of the samples of the cultural layer of the Bronze Age settlement Pesochnoe 1 from an excavation area of 126 m<sup>2</sup> obtained via the XRF method showed significant content of copper (Cu), zinc (Zn), calcium (Ca) and phosphorus (P), several times exceeding the content of the same chemical elements in the surrounding soils. The discovered Cu can be associated with metalworking, Zn are likely from ash and the biomass of the aquatic environment, and Ca and P can be found in bone remnants. Analysis of the spatial distribution of archaeological objects with quantitative indicators of Cu, Zn, Ca, P made it possible to distinguish two functional areas in the excavation of the Bronze Age settlement. A very high concentration of Cu, Zn, Ca, P recorded in the first functional zone, in the center of which was a hearth, indicates diverse activity that took place in this territory, including the use of different organic materials (plants, bones) as fuel and melting of metal. The second functional area with high concentrations of Zn, Ca and especially P suggests it was a place where biomaterials of animal origin might have been used.
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