Due to the acidic soil of Finland, which I already referred to earlier, organic matter can be preserved in it for a maximum of 1000 years, in special cases 1500 years. Mostly in the rest of the world, and also in the area surrounding Finland, organic matter can be preserved for thousands, even tens of thousands of years. The reason for the acidity of the soil is the lack of limestone. Finland is one of the oldest soils on Earth and is made up of granite and gneiss. A uniform soil of a similar age can only be found in Canada. For example, in Estonia, south of the Gulf of Finland, the main soil material is limestone, sandstone and clay, in which organic matter is preserved well. The bedrock is hundreds of meters deep in Estonia, while in Finland it is almost at the surface.
Due to this preservation problem, the prehistory of the Finns is largely shrouded in mystery. Generally speaking, it is difficult to reliably conclude about the course of prehistory from the current population, because peoples mix over thousands of years. If you mix 50 grams of salt with one liter of water, you get 4.76% salt water, even though the mixture still contains 1 liter of original fresh water. For this reason, the evidence that 5% Siberian proves that Finns came from Siberia is weak.
Siberian ancestry is found throughout northeastern Europe, because the region borders the settlement area of Siberian tribes. The same applies to northern Russians, to a greater extent, after the Slavs moved closer to the Siberian-based settlement. Of course, the Uralic language came from the east.
Over the course of thousands of years, peoples have mixed, languages and genes have also diverged everywhere. The final disposal place of overzealous interdisciplinary theories, often racist, has always been subsequently in the dustbin of historical research. The ambitions of today's researcher do not differ substantially from the ambitions of a researcher in the 19th century. There is no reason to be complacent. Knowledge increases, becomes often more comlicated and it opens up new possibilities for making correct, but also incorrect, conclusions. Sometimes new knowledge can be based on old, sometimes not. History has been a continuous mixing of ideas and object cultures.
The dstat test I have now performed describes the relationship of Finns, Estonians, Poles and Swedes to the Viking Age samples I used in the previous test. The reliability of the small number of SNPs in the samples is not top-notch, but a clear consistency is visible. Yellow cells mean more similarity with the ancient sample in the first column.
These samples represent only a fraction of Scandinavian samples representing Baltic Finnic or merely Finnish likelihood or mixtures of typical Viking Age Scandinavians and Baltic Finnic people.
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